Assembly seams of junctions of window blocks to wall openings; general technical conditions; preface. Assembly seams of junctions of window blocks to wall openings general technical conditions preface G.2 Test conditions

Installing PVC windows in compliance with the rules given in GOST 30971, adopted in 2012, will allow you to significantly extend their service life, avoid glass fogging and protect window openings from dampness. You can find out how to install a plastic window according to GOST, and what materials to use for this, by reading our article.

For quality and fast work you will need the following set of tools:

Hammer.
Electric jigsaw.
Drill-driver.
Nail puller.
Sledgehammer.
Level.
Yardstick.
Pencil.
"Bulgarian".
Silicone gun.
Square.
Metal scissors.
Putty knife.
Slick.
Rubber hammer.
Pliers.
Brush.

Depending on the type of window opening and window model, you may need additional tools not included in the list.

In addition to tools for installation plastic window You must have the following consumables:

- PSUL is a pre-compressed self-expanding sealing tape. PSUL has different thickness and width and is designed to hide the external foam seam.

- Vapor barrier tapes are needed to hide the foam seam indoors. Tapes can be metallized or fabric-based. Metallized tapes are used for “dry” finishing of window openings (plastic slopes, plasterboard or PVC panels). Vapor barrier tape on a fabric basis, designed for finishing materials on water based(plaster, plaster, etc.).

- Diffusion tape– needed as a lining under the window cornice. This tape has the ability to allow air to pass through, but not water to pass through.

- Substrate under the window sill– this is a tape on a metallized base, with a layer of insulation, which serves as a heat and vapor barrier.

- Anchor plates– window fastenings connecting the frame to window opening. Anchor plates allow you to secure a window in an opening without through holes in the frame.

- Self-tapping screws – secure the anchor plates to the window.

- Dowel screws – connect the anchor plates to the window opening.

- Primer composition– intended for surface treatment where vapor barrier tapes are glued.

- Wooden wedges– needed for intermediate fastening of the window in the opening and setting the level.

- Stand profile– is attached to the bottom of the frame and serves as a stand under the window and a mount for the cornice and window sill.

- Plastic window sill– comes complete with the window, but if desired, can be replaced with window sills made of other materials.

- Drain - rarely included in the basic set of a plastic window, usually ordered separately.

Polyurethane foam - used to fill seams and as an additional fastening element.

Preparatory work

Dismantling

If it is necessary to dismantle the old window, perform the following steps:

Remove all sashes from their hinges.
Remove the glazing beads and remove the glass from the fixed sections of the window.
Detach the trim, drain and sill from the frame.
Remove the mortar and foam between the frame and the window opening.
Using a grinder, cut off all frame fastenings.
Pull the frame out of the opening.
Remove any remaining foam and mortar from the frame location.

Window preparation

Before installing a plastic window in the opening, it is necessary to make a series of preparatory work:

Remove the window sashes from their hinges by knocking out the awning rods using a hammer and screwdriver.
Remove the glass panes from the fixed sections of the window. To do this, you need to knock out the glazing beads from the mounting grooves; this can be done using rubber mallet and a wide chisel or spatula.
Attach the support profile to the bottom crossbar of the frame. When connecting the profile and frame, use PSUL as a spacer between them.
Install anchor strips around the perimeter of the window. The tapes are screwed to the frame and stand profile using screws. For ease of installation, lead the ends of the anchor strips indoors. Depending on the size of the window, from 2 to 4 fasteners are installed on each side of the frame.
Glue the PSUL onto the top and side posts of the frame, so that the tape protects the outer seam after filling it with foam.
Apply diffusion tape to the support profile with outside window.
For guard inside seams, glue vapor barrier tape to the frame.

Installation of a window in an opening

After all the preparatory work, install the frame in the window opening:

Secure the frame in the opening using wedges.
Check the correct horizontal and vertical position of the frame with a level.
Having aligned the frame in the correct position, through the holes in the anchor strips, mark the places for the dowel screws.
After drilling holes with a hammer drill, secure the frame in window opening on anchor tapes.
Using a brush and primer, treat the areas where vapor barrier tapes and PSULs are glued.
Fill the space between the frame and the window opening with low expansion foam.
After the foam has dried, trim off any excess.
Glue the PSUL and vapor barrier tape to the window opening.

Installation of drain and window sill

Spread the diffusion tape and place the drain on it.
Attach the drain to the stand profile using self-tapping screws.
Cut the window sill according to the shape of the window opening slopes.
In the place where the window sill will be located, lay metallized tape with insulation.
Insert the window sill into the support profile and secure it with screws.
Seal the gaps between the frame, drain and window sill with silicone sealant.

Final works

Insert double-glazed windows into the window sections, securing them with glazing beads.
Place the sashes in their places.
Check the operation of the window handles and mechanisms.

The plastic window is installed, all that remains is to finish the opening slopes and then remove the protective film.

You can also view detailed instructions for installing a plastic window using GOST standards in the video:

The German company ILLBRUCK is a leader in the development and production of insulation materials window openings, she developed and implemented single standard EES. On its basis, the Russian Federation developed a new GOST 30971-2002, which regulates methods for installing windows in terms of installation joints.

Illbruck installation technology

Manufacturers window profiles guarantee the durability of windows for decades, and you have the right to count that once you install new windows, you will not have to replace them. So it will be if, along with high-quality windows, you choose high-quality installation. Correct installation from incorrect installation differs in appearance by minor nuances, but these nuances increase the service life of windows several times.
After installing windows, it becomes necessary to protect the joints of the window and the walls from destruction under the influence of external influences, such as water, snow, and sunlight.
Polyurethane foam is one of the best insulation materials, however, it tends to absorb moisture from the air and walls, as a result of which it loses its thermal insulation properties, promoting freezing assembly seam and the formation of mold and mildew.
To protect the assembly seam from exposure external environments a set of measures has been developed, including special protective materials.
The main insulator is an elastic waterproof material made in the form of a pre-compressed sealing tape (PSUL). PSUL protects the mounting foam from external influences and does not allow moisture and sunlight to pass through. At the same time, it promotes seam ventilation and removal of excess moisture in the form of steam from polyurethane foam due to the difference in pressure inside and outside

Materials

1. PSUL - pre-compressed, self-expanding sealing tape illmod 2D Protects the joint from sunlight, rain, frost, temperature changes, ventilates the seam.

2. Vapor barrier sealing tapes illtape Vlies Duo and illdif I Protects the joint from moisture penetration from inside the room, prevents the appearance of condensation and mold on slopes.

3. Waterproof diffusion tape illdif A Protects the joint from the outside under the window drain from the accumulation of moisture, ventilates the seam.

4. Thermal insulating foam material illfoam Polyurethane foam - high-quality thermal insulation and soundproofing material. Disadvantages: it is destroyed by sunlight and absorbs moisture, as a result it is destroyed by temperature changes.

PSUL

illtape Vlies Duo

Illdif A

Polyurethane foam

New GOST 30971 - 2012

From January 1, 2014 for voluntary use as a national standard Russian Federation introduced GOST 30971 - 2012 "Mounting seams of joints connecting window blocks to wall openings."

The new GOST is clearer, it takes into account most of the criticisms of the previous GOST, and introduces new requirements, materials and terms.

The GrandOkno company closely monitors changes in regulation and standardization in the field of translucent structures and therefore we provide our services taking into account the introduction of new materials and standards.

Differences of the new GOST

The structure has been changed, many new applications have been introduced:

Appendix A (mandatory). General requirements to the construction seam materials.

Appendix D (mandatory). Rules for fixing window blocks in wall openings.

Appendix D (mandatory). Calculation method for assessing the temperature regime of junctions between window blocks and wall openings.

Appendix E (mandatory). Heat rating technical characteristics nodes for connecting window blocks to wall openings in laboratory and field conditions.

Appendix G (for reference). Methodology for determining the water permeability of junctions between window blocks and wall openings under natural conditions.

Appendix I (for reference). Methodology for determining air permeability and defects in junctions of window blocks to wall openings under natural conditions.

The standard applies to assembly seams at the junctions of window units (including balconies) and translucent structures to the openings of the external walls of heated buildings. Thus, it does not work on cold glazing of balconies and loggias. The requirements of the standard can be applied when designing and installing joints of external doors, gates, stained glass structures and strip glazing; it does not apply to all types of hinged façade structures, winter gardens and translucent roofs, as well as on skylights, for special-purpose window blocks in parts additional requirements to fire safety and burglary protection.

New terms have been introduced:

Weather protection - additional element, installed externally for protection from atmospheric agents (rain, snow, wind, etc.) if the material of the outer layer of the installation seam does not provide the required protection class.

Vapor permeable sealant - a sealant whose vapor permeability ensures compliance with the requirements of this standard for resistance to vapor permeation and the thickness of the outer layer of the assembly joint.

Window quarter - part of the wall protruding beyond the slope plane of the window opening.

Windowsill- a detail of the lower part of the internal frame of a window opening: a board, profile or slab laid level bottom beam window frame and made of wood, PVC, stone, metal, reinforced concrete.

Working compression ratio of tape - the ratio of the width of the tape after installation in the assembly seam to the maximum value of its expansion, at which the performance characteristics (parameters) declared by the manufacturer are ensured.

Window connection unit (balcony) block to the wall opening - a structural system that ensures the connection of the wall opening (including external parts internal slopes) with a box of a window (balcony) block, including an assembly seam, a window sill, a sill, as well as cladding and fastening parts.

Operating conditions - temperature and humidity characteristics of the internal microclimate, the region of construction and installation of the assembly joint.

The connections between the window drain and the window sill are described.

Based on materials from the magazine "Translucent Constructions" No. 6, 2013.

INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (IGU)

INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC)

General technical conditions

Official publication

Standardinform

Preface

The goals, basic principles and basic procedure for carrying out work on interstate standardization are established by GOST 1.0-92 “Interstate standardization system. Basic provisions" and GOST 1.2-2009 "Interstate standardization system. Interstate standards, rules and recommendations for interstate standardization. Rules for development, adoption, application, updating and cancellation"

Standard information

1 DEVELOPED by the Limited Liability Company NIUPTS "Interregional Window Institute" (NIUPTs "Interregional Window Institute") with the participation of the Institution "Research Institute of Building Physics of the Russian Academy of Architecture and building sciences"(NIISF RAASN), State Unitary Enterprise "Research Institute of Moscow Construction" (SUE "NIIMosstroy")

2 INTRODUCED Technical Committee on standardization TC 465 “Construction”

3 ADOPTED by the Interstate Scientific and Technical Commission for Standardization, Technical Regulation and Conformity Assessment in Construction (MNTKS) (Protocol No. ___ dated __.__.2012)

4 By order Federal agency on technical regulation and metrology dated 20, No. interstate standard GOST 30971-2012 was put into effect as a national standard of the Russian Federation

5 INSTEAD GOST 30971–2002

Information on the entry into force (termination) of this standard is published in the “National Standards” index.

Information about changes to this standard is published in the “National Standards” index, and the text of the changes is published in the “National Standards” information indexes. If this standard is revised or withdrawn, the relevant information will be published in information index"National Standards"

In the Russian Federation, this standard cannot be fully or partially reproduced, replicated and distributed as an official publication without permission from the Federal Agency for Technical Regulation and Metrology

1 Application area………………………………………………………….…………….

3 Terms and Definitions……………………………………………………………………

4 Classification……………………………………………………………………………….

5 Technical requirements……………………………………………………………………

6 Acceptance rules……………………………………………………………………………………….

7 Test methods………………………………………………………………………………………..

8 Manufacturer's Warranty………………………………………………………………………………………

Appendix A (mandatory) General requirements for construction seam materials.

Appendix D (mandatory) Rules for fixing window blocks in wall openings……………………………………………………………………………………….…..

Appendix E (mandatory) Calculation method for assessing the temperature conditions of the junctions of window blocks to wall openings………………..

Appendix E (mandatory) Assessment of thermal characteristics of junctions of window blocks to wall openings in laboratory and field conditions…………………………………………………………………………………

Appendix G (for reference) Methodology for determining the water permeability of junctions of window blocks to wall openings in laboratory and field conditions………………………………………………………………………………………

Appendix I (informative) Methodology for determining air permeability and defects in junctions of window blocks to wall openings under natural conditions………………………………………………………………………………...

Bibliography……………………………………………………………………………………

Introduction

This standard is intended for use when performing work on filling installation gaps between the surface of a wall opening and the frame planes of a window (door) block, as well as when designing junctions of window and door blocks.

This standard was developed on the basis of a technical analysis of many years of operation of window (door) units in various climatic conditions on the territory of the Russian Federation and the countries of the Commonwealth of Independent States.

This standard is aimed at improving the comfort of living, increasing durability and energy efficiency in construction in terms of increasing the requirements for the heat-shielding characteristics of the junction points of window (door) units.

The requirements of this standard are intended for use by organizations operating in the field of construction and design, regardless of their form of ownership and nationality.

M E F G O S U D A R S T V E N N Y S T A N D A R T

MOUNTING SEAMS OF JOINTS OF WINDOW UNITS TO WALL OPENINGS

General technical conditions

Erection to joints of window assemblies adjoined to wall openings General specifications

________________________________________________________________________

Date of introduction -

1 area of use

This standard applies to assembly seams at the junctions of window units (including balconies) and translucent structures to the openings of the external walls of heated buildings.

This standard is used in the development of design and technological documentation for production installation work for new construction and reconstruction (including replacement window designs in operated premises).

The requirements of this standard can be applied in the design and installation of junction points for external doors, gates, stained glass structures and strip glazing.

This standard does not apply to all types of suspended facade structures, winter gardens and translucent roofs, as well as to attic window units, to special-purpose window units in terms of additional requirements for fire safety and burglary protection.

This standard uses normative references to the following interstate standards:

GOST 8.586.1-2005 (ISO 5167-1:2003) State system ensuring uniformity of measurements. Measurement of flow and quantity of liquids and gases using standard restriction devices. Part 1. Principle of measurement method and general requirements

GOST 166-89 (ISO 3599-76) Calipers. Specifications

Official publication

GOST 427-75 Metal measuring rulers. Technical specifications GOST 2678-94 Rolled roofing and waterproofing materials. Methods

tests GOST 7076-99 Construction materials and products. Method for determining heat

conductivity and thermal resistance with stationary thermal mode GOST 7502-98 Metal measuring tapes. Technical specifications GOST 10174-90 Polyurethane foam sealing gaskets for windows and doors

ray. Technical specifications GOST 17177-94 Heat-insulating construction materials and products. Me-

GOST test methods 21751-76 Sealants. Method for determining the relative relative strength

physical elongation at break and relative residual deformation after break

GOST 23166-99 Window blocks. General technical conditions GOST 24700-99 Wooden window blocks with double-glazed windows. Technical specifications

GOST 25898-83 Construction materials and products. Methods for determining vapor permeation resistance

GOST 26254-84 Buildings and structures. Methods for determining the heat transfer resistance of enclosing structures

GOST 26433.0-85 Accuracy assurance system geometric parameters in construction. Rules for performing measurements. General provisions

GOST 26433.1-89 System for ensuring the accuracy of geometric parameters in construction. Rules for performing measurements. Factory-made elements GOST 26433.2-94 System for ensuring the accuracy of geometric parameters in

construction. Rules for measuring the parameters of buildings and structures GOST 26589-94 Roofing and waterproofing mastics. Test methods GOST 26602.2-99 Window and door units. Methods for determining air and

water permeability GOST 26629-85 Buildings and structures. Method of thermal imaging quality control

thermal insulation of enclosing structures GOST 27296-87 Noise protection in construction. Sound insulation of enclosing

designs. Measurement methods GOST 30494-96 Residential and public buildings. Microclimate parameters in

premises GOST 31167-2009 Buildings and structures. Methods for determining air permeability

cost value of enclosing structures in natural conditions

Note - When using this standard, it is advisable to check the validity of reference standards on the territory of the state according to the index of standards compiled as of January 1 of the current year, and according to the corresponding information indexes published in this year. If the reference standard is replaced (changed), then when using this standard you should be guided by the replacing (changed) standard. If the reference standard is canceled without replacement, then the provision in which a reference is made to it is applied in the part that does not affect this reference.

3 Terms and definitions

The following terms with corresponding definitions are used in this standard:

3.1 weather protection: An additional element installed outside to protect against the effects of atmospheric phenomena (rain, snow, wind, etc.) if the material of the outer layer of the installation seam does not provide the required protection class.

3.2 water and vapor barrier layer: A layer that prevents moisture or steam from penetrating the joint from the wall material.

3.3 deformation resistance of the assembly seam:The ability of the seam to recover

accept changes linear dimensions installation gap within specified limits (the value of the maximum permissible deformation) while maintaining the main indicators under operational influences, expressed in cycles.

3.4 durability: Characteristics of an assembly seam that determines its ability to maintain performance for a given period, confirmed by test results and expressed in conditional years of operation.

3.5 installation gap: The space between the surface of the wall opening and the frame of the window (door) block.

Note - There is an end (side) installation gap - the space between the wall opening and the end surface of the window frame and a front installation gap - the space between the surface of the quarter (false quarter) of the wall opening and the front surface of the window frame.

3.6 installation seam: An element of the junction unit, which is a combination of various insulating materials that fill the installation gap and have specified characteristics.

3.7 window quarter: The part of the wall protruding beyond the slope of the window opening.

3.8 vapor permeable sealant: A sealant whose vapor permeability ensures compliance with the requirements of this standard for resistance to vapor permeation and the thickness of the outer layer of the assembly joint.

3.9 pre-compressed sealing tape; PSUL: Pre-compressed elastic porous material based on polyurethane in the form of a tape, usually rectangular section impregnated with special compounds. An adhesive layer is applied to one side of the sealing tape, which can be reinforced

glass fiber (or other material) and protected with an anti-adhesive film in accordance with regulatory documents1.

3.10 window sill: A detail of the lower part of the internal frame of a window opening: a board, profile or slab, laid at the level of the lower beam of the window frame and made of wood, PVC, stone, metal, reinforced concrete.

3.11 working compression ratio of the tape: The ratio of the width of the tape after installation in the assembly seam to the maximum value of its expansion, at which the performance characteristics (parameters) declared by the manufacturer are ensured.

3.12 assembly seam layer: A component (zone) of an assembly seam that performs certain functions and meets specified requirements.

3.13 junction of the window (balcony) block to the wall opening:

Structural system, ensuring the connection of the wall opening (including parts of the external and internal slopes) with the frame of the window (balcony) block, including the installation seam, window sill, ebb, as well as facing and fastening parts.

1 - central layer; 2 - outer sealing layer; 3 - inner sealing layer; 4 - additional sealing layer; 5 - low tide; 6 - window sill

Figure 1 - Scheme of installing a window unit in an opening outer wall building

3.14 operational force impact on the assembly seam: Impact

impact on the assembly seam resulting from deformations of the wall opening

1 GOST R 53338-2009 is in force in the Russian Federation.

and window block boxes due to changes in temperature and humidity conditions and wind loads during operation.

3.15 operating conditions: Temperature and humidity characteristics of the internal microclimate, construction region and installation of the assembly joint.

4 Classification

4.1 Classes of construction joints

4.1.1 Depending on the basic operating requirements, installation joints are divided into classes according to Table 1.

Table 1 - Classification of installation seams according to performance characteristics

Characteristic	Value for classes for each indicator


Relative air humidity in
location, less than which there is no loss
condensation on the inner surface
construction seam thickness, %
Deformation stability in cycles
with permissible deformation, not less
Permissible deformation value, %		From 11.0 to 14.9	From 8.0 to 10.9

Notes 1 The value of relative humidity of indoor air, less than

there is no condensation on the inner surface of the assembly seam, determined for the temperature conditions of the coldest five-day period in the construction region and the conditions of the internal microclimate in the room according to its purpose. The value is determined by calculation method in accordance with the methodology in accordance with Appendix E or during a field survey in accordance with the methodology in accordance with Appendix E.

2 The value of the permissible deformation of the assembly seam is taken according to the worst indicator of the materials of the outer, central and inner layers and is determined as a percentage.

3 The value of the permissible deformation of the assembly seam is determined as the ratio of the value of the largest possible operational change in the size of the assembly seam without its destruction or reduction of the specified characteristics to the initial value of this size.

4 The required classes of construction seams are installed in working documentation at the junction points of window blocks to wall openings.

4.1.2 The air and water tightness of the seam must be no lower than the corresponding indicators for the window block.

4.2 Symbol

4.2.1 The symbol for the assembly seam must include the letter

nal index "ШМ" installation seam, digital designations of classes in terms of relative humidity, water permeability, air permeability, the value of permissible deformation and the designation of this standard.

An example of a standard designation for an assembly seam with relative humidity classes - B, permissible deformation values - A, according to GOST 30971-2012:

ShM VA GOST 30971-2012

Note - In the documentation for installation seams (agreement, contract, etc.), it is recommended to indicate the characteristics of seams according to other classified parameters, as well as technical information as agreed between the manufacturer and the consumer (including specific values technical characteristics of installation seams and materials used for their construction, confirmed by test results).

If the class is not indicated in the documentation for installation seams, then it must be at least class B.

5 Technical requirements

5.1 General provisions

5.1.1 Assembly seams of junction units of window and door units are made in accordance with the requirements of this standard according to the design and technological documentation approved in in the prescribed manner.

5.1.2 When developing structural solutions for installation joints, a set of materials should be used that work together and ensure the following requirements are met:

Tightness (tightness) when exposed to precipitation and wind in accordance with current regulatory documents (ND); determined by the outer layer;

Absence of local freezing along the contour of the junction of the window block and the wall opening;

Resistance to operational loads; - durability in accordance with the estimated service life of the window

block, but not lower than the requirements of this standard.

Depending on the installation location, the designs of wall openings and operating conditions, the installation seams of the junction points of window and door blocks can have a different design and number of layers, and the rule must be observed: the inside is denser than the outside.

The materials used in the manufacture of assembly seams at the junction points of window and door units must ensure the possibility of their

page 1

page 2

page 3

page 4

page 5

page 6

page 7

page 8

page 9

page 10

page 11

page 12

page 13

page 14

page 15

page 16

page 17

page 18

page 19

page 20

page 21

page 22

page 23

page 24

page 25

page 26

page 27

page 28

page 29

page 30

INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION

INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC)

INTERSTATE

STANDARD

MOUNTING SEAMS OF JOINTS OF WINDOW UNITS TO WALL OPENINGS

General technical conditions

Official publication

Standardinform

Preface

Standard information

1 DEVELOPED by the Limited Liability Company NIUPTS "Interregional Window Institute" (NIUPTs "Interregional Window Institute") with the participation of the Institution "Research Institute of Building Physics of the Russian Academy of Architecture and Construction Sciences" (NIISF RAASN), State Unitary Enterprise "Research Institute Moscow construction" (SUE "NIIMosstroy")

2 INTRODUCED by the Technical Committee for Standardization TC 465 “Construction”

3 ADOPTED by the Interstate Scientific and Technical Commission for Standardization, Technical Regulation and Conformity Assessment in Construction (MNTKS) (protocol dated June 14, 2012 No. 40)

Short name of the country according to MK (ISO 3166) 004-97	Country code according to MK (ISO 3166) 004-97	Abbreviated name of the state construction management body
Azerbaijan		G osstroy
		Ministry of Urban Development
Kyrgyzstan		G osstroy
		Ministry of Regional Development
Tajikistan		Agency for Construction and Architecture under the Government
Uzbekistan		G osarkhitektstroy
		Ministry of Regional Development of Ukraine

4 By Order of the Federal Agency for Technical Regulation and Metrology dated December 27, 2012 No. 1983-st, the interstate standard GOST 30971-2012 was put into effect as a national standard of the Russian Federation on January 1, 2014.

Information about changes to this standard is published in the annual information index “National Standards”, and the text of changes and amendments is published in the monthly information index “National Standards”. In case of revision (replacement) or cancellation of this standard, the corresponding notice will be published in the monthly information index “National Standards”. Relevant information, notices and texts are also posted in information system common use- on the official website of the Federal Agency for Technical Regulation and Metrology on the Internet

5.2.2 The dimensions and configuration of window openings must correspond to those established in the working project documentation.

Table 2 - Installation clearance dimensions

Material of profile elements	Overall size of the window block, mm	Installation gap size, mm
Material of profile elements	Overall size of the window block, mm

2 Aluminum alloys
3 white PVC
4 PVC white
5 PVC, dyed
6 PVC, dyed

The maximum size of the installation gap is determined based on the characteristics of the material of the central layer; the recommended size is no more than 60 mm.

5.2.3 The deviation from the vertical and horizontal sides of the opening should not exceed 4.0 mm per 1 m.

The check is carried out in three ways:

Construction level, with the width and height measured at least three times;

Measuring the diagonals of the opening;

Laser plane builder.

5.2.4 When determining installation gaps, it is necessary to take into account the maximum deviation from the dimensions of the window block frames. Deviations from the vertical and horizontal of the mounted window blocks should not exceed 1.5 mm per 1 m of length, but not more than 3 mm per product height. Installation of window blocks in openings with deviations in geometric dimensions exceeding those specified in 5.2.3 is not allowed.

5.3 Requirements for the preparation of installation gap surfaces

5.3.1 The edges and surfaces of openings should not have chips, cavities, mortar overflows and other damage with a height (depth) of more than 10 mm.

Defective areas must be filled with waterproof compounds.

Voids in the slopes of wall openings (for example, cavities at the joints of the facing and main layers of brickwork at the junctions of lintels and masonry; gouges formed when removing frames when replacing window blocks, etc.) should be filled with inserts made of rigid foam insulation, antiseptic wood or plaster mixtures. When using mineral wool insulation, it is recommended to provide protection against moisture saturation. When installing window blocks in quarter openings, the recommended penetration beyond the quarter frame of the window block should be at least 10 mm.

Surfaces contaminated with oil should be degreased. Loose, crumbling areas of the opening surfaces must be strengthened (treated with binders or special film materials).

5.3.2 Before installing insulating materials into the installation gap, the surfaces of window openings and structures must be cleaned of dust, dirt and oil stains, and winter conditions- from snow, ice, frost with subsequent heating of the surface.

5.3.3 The sequence of technological operations required to perform an assembly seam is developed in the work project in the form of technological maps. Technological maps should be developed taking into account the general climatic characteristics of the construction area, as well as the expected time of year for installation work.

Development technological map or regulations should be carried out taking into account the operations necessary to prepare the surfaces of the wall opening, as well as taking into account the requirements established in Appendix D.

5.4 Safety requirements

5.4.1 When carrying out work on installing installation joints, as well as when storing and processing waste insulating and other materials, the requirements must be met building codes and safety rules in construction, fire safety rules during construction and installation work, sanitary standards and safety standards, including the Occupational Safety Standards System (OSSS). Safety instructions must be developed for all technological operations and production processes (including operations related to the operation of electrical equipment and work at height).

5.4.2 Persons involved in installation must be provided with special clothing and equipment personal protection according to ND.

5.4.3 Persons involved in installation, upon hiring, and also periodically, must undergo a medical examination in accordance with the current rules of the health authorities, safety instructions and be trained in safe work rules.

5.4.4 For all installation operations (including loading and unloading and transport), work safety instructions must be developed and approved in the prescribed manner.

5.5 Environmental requirements

5.5.1 All construction seam materials must be environmentally friendly. During transportation, storage and operation, these materials should not be released into environment toxic substances in concentrations exceeding permissible standards.

5.5.2 Disposal of waste generated during installation must be carried out by industrial processing in accordance with the terms of the current ND and legal documents.

6 Acceptance rules

6.1 Acceptance of finished assembly joints is carried out at construction sites (or house-building enterprises). Window openings with installed window blocks and completed assembly seams, made using the same technology, are subject to acceptance.

6.2 Acceptance of installation joints is carried out in stages by:

Incoming inspection of materials used;

Controlling the preparation of window openings and window blocks;

Monitoring compliance with requirements for the installation of window units;

Production operational control;

Acceptance tests upon completion of work;

Qualification and periodic laboratory tests of materials and assembly joints carried out by testing centers (laboratories).

The results of all types of control (tests) are recorded in the appropriate log books.

Completion of work on installation of installation joints is documented with an act for hidden work and an act of acceptance.

6.3 Incoming inspection of materials and products upon their receipt and storage is carried out in accordance with the requirements of the RD for these materials and products. At the same time, they check sanitary and epidemiological conclusions, expiration dates, labeling of products (containers), certificates of conformity (if available), a document confirming the quality of the batch for the materials used, containing the results of acceptance and periodic tests in the amount technical indicators, in accordance with Appendix A, as well as fulfillment of the conditions established in the supply contracts.

6.4 Control of the preparation of window openings and installation of window blocks is carried out in accordance with the technological documentation for installation work, taking into account the requirements of the current design documentation and this standard.

When drawing up a work acceptance certificate, the following is checked:

Preparing the surfaces of window openings;

Dimensions (maximum deviations) of window openings;

Deviations from the dimensions of installation gaps;

Compliance of installation clearances with the requirements of working documentation (RD);

Other requirements established in the RD and technological documentation.

If the quality of the openings does not meet at least one of the above requirements, then the opening cannot be accepted according to the acceptance certificate, and an act is drawn up with a list of deficiencies that need to be eliminated.

6.5 When drawing up an installation report for fasteners, check:

Type and dimensions of fastening elements;

Compliance of the location of fasteners with the requirements of the RD;

Compliance of the depth (screwing in) and fit of the dowels with the dimensions specified in

6.6 When drawing up a quality report for filling installation gaps, check:

Filling depth, installation joint size;

No voids, cracks, or peelings;

Size of sinks (if available).

6.7 When drawing up a quality report for applying the outer and inner layers of the assembly seam, check:

Compliance of the installation of insulating materials with the requirements of the RD;

The thickness of the layer and the width of the strip of contact of the sealant with the surfaces of the window opening and the window structure.

6.8 Operational quality control of installation seams is carried out immediately after completion of sealing work before the start of finishing of internal slopes, while:

Window openings for control measurements are chosen arbitrarily;

To assess the quality of sealing, methods are used non-destructive testing according to the criterion of continuity and uniformity of the sealing contour around the perimeter of the window opening;

To assess the above parameters, a method is used to remotely measure temperatures using a non-contact method on the inner and outer surfaces of the seam in accordance with the control measurement scheme presented in Figure 5, using a portable pyrometer. Instruments used for measurements must undergo initial verification according to.

The measurement results are recorded in a special annex to the acceptance certificate for hidden work.

1 - overall outline of the window block; 2 - installation seam; 3 - control points along the perimeter of the window opening to measure temperatures on the inner surface of the seam; t w.st is the temperature of the inner surface of the wall; t n. C t - temperature of the outer surface of the wall; £в.ш - temperature of the inner surface of the weld;? nsh - temperature of the outer surface of the weld; H - distance from the plane of the window opening to the measuring point

Figure 5 - Scheme of control temperature measurement to assess the quality of the assembly seam

6.9 Control of the thermal characteristics of the assembly seam is carried out using the method in accordance with Appendix E.

6.10 Classification and periodic laboratory tests of installation joints are carried out at the request of design, construction and other organizations to confirm the classification characteristics and performance indicators of installation joints in accordance with Appendix A.

It is allowed to determine the characteristics of installation seams using calculation methods according to ND approved in the prescribed manner.

7 Test methods

7.1 Test methods for materials during incoming quality control are established in the technological documentation, taking into account the requirements of the RD for these materials and the requirements of this standard.

7.1.1 Determination of conditional strength and elongation at break of sealants, diffusion and vapor barrier tapes is determined according to GOST 21751.

7.1.2 Determination of tensile strength and elongation at break of foam seal

7.1.2.1 Test specimen

The test specimen is a prism of cured foam with cross-sectional dimensions of 50 x 50 mm and a thickness of 30 mm, glued between two rigid plates, prepared as follows.

The container with foam is first shaken 20-30 times, the foam is released from the container into a mold measuring 50 mm wide, 50 mm high and 300 mm long, which is lined with anti-adhesive paper on the inside (surface treatment with anti-adhesive compounds is allowed). The mold surfaces are pre-moistened.

After curing, excess foam protruding beyond the dimensions of the mold is cut off. Five foam prisms of the required size are cut out from the resulting board.

The samples are glued to metal plates measuring 70x50 mm. The thickness of the plates is selected from the condition that they should not deform under the force generated when the sample is destroyed. The plates can be concrete, metal, wood or other material. The adhesive should not destroy the structure of the foam and ensure the adhesion strength of the foam to the plates is higher than the strength of the foam itself upon destruction.

7.1.2.2 Test performance

The tensile test is carried out on a tensile testing machine in accordance with GOST 21751 at a speed of 10 mm/min. The sample is secured with rigid plates into the clamps of the tensile testing machine.

The tensile force is applied perpendicular to the surface of the sample in the direction that simulates the direction of force loads on the material under the conditions of its use. An example of attaching samples to a tensile testing machine is shown in Figure 6.

7.1.2.3 Evaluation of results

Tensile strength 8, MPa, calculated by the formula

where F p is the maximum tensile force, N;

S - area cross section, mm 2.

The test result is taken as the arithmetic mean value of the indicator, calculated from at least three parallel determinations, the discrepancy between which does not exceed 10%.

Elongation at break e, %, is calculated using the formula

£ = -■ 100, (2)

where /o is the initial height of the sample, mm;

/1 - height of the sample at the moment of rupture, mm.

The test result is taken as the arithmetic mean value of the indicator, calculated from at least three parallel determinations, and the average value should not differ from any one used in the calculation by more than 20%.

7.1.3 The adhesion strength of sealants to the materials of wall openings and window structures is determined according to GOST 26589, method B.

7.1.4 Peel resistance (adhesive strength) of film and tape materials determined according to GOST 10174.

7.1.5 Determination of the adhesion strength of foam insulation to the materials of wall openings and window structures

7.1.5.1 Test specimens

The adhesion strength is determined on samples - fragments of seams, in which a foam seam measuring 50x50x30 mm is located between two substrates. Samples are prepared by foaming. The substrate used is a material for which the adhesion strength of the foam is determined: PVC, metal, concrete, painted wood, etc. The size of the substrate should be 70x50 mm, and the thickness should be 3-20 mm, depending on the type of material.

To make samples, prepare a mold from particle boards or other rigid material with the following dimensions: width 70 mm, height

70 mm and 300 mm long, which is lined with paper on the inside. The substrates are placed in the mold across the length so that between the 1st and 2nd, 3rd and 4th and so on for five samples the distance is 30 mm; the distance should be set by wooden inserts measuring 10x30x70 mm, wrapped in anti-adhesive paper. With foam prepared in accordance with 7.1.2.1, fill the space between the liners approximately 60% from the adapter can and 100% from the gun can. After curing, the samples are removed from the mold and cleaned of excess foam. There should be five samples for testing.

7.1.5.2 Testing - in accordance with 7.1.2.2.

7.1.5.3 Evaluation of results

The adhesion strength of the foam insulation to the substrate material is calculated in accordance with 7.1.2.3. The nature of destruction of the samples is also recorded: adhesive or cohesive.

7.1.6 Water absorption of foam insulation by volume under surface exposure to water is determined according to subsection 10.4 of GOST 17177.

7.1.7 Vapor permeability resistance and vapor permeability coefficient of construction seam materials - in accordance with GOST 25898.

7.1.8 Thermal characteristics of construction seam materials - in accordance with GOST 7076.

7.2 Qualification and periodic laboratory test methods

7.2.1 The deformation resistance of the assembly seam is determined by cyclic tensile-compression tests with a permissible deformation value corresponding to the class performance characteristics, which maintains the integrity of the seam.

7.2.2 Test specimens

The test is carried out on samples - fragments of seams made according to 7.1.5.1. Substrates with dimensions of 100x50 mm can also be used as substrates when making samples; the width of the mold for making samples should change accordingly. The number of samples for testing is at least three.

7.2.3 Test performance

For testing, use a low-cycle fatigue machine of the MUM-3-100 type (see Figure 7) or any testing machine that provides alternating deformation of samples with a given deformation value and rate. The test speed should be 5-10 mm/min. The test is carried out at a temperature of (20 ± 3) °C.

The tensile-compression strain value is set in the test program, corresponding to a certain class of the installation seam, but not less than 8%. The amplitude of tensile-compressive deformation l£, mm, is calculated using the formula

where e is the specified deformation, %; h - sample thickness, mm; l£ - amplitude of tension - compression, mm;

At least 20 cycles of tension and compression of the samples are carried out.

7.2.4 Evaluation of results

end-to-end

After completing the cyclic tests, the samples are subjected to visual testing. The test result is considered satisfactory if each sample does not have delaminations, detachments from the substrates and destruction.

7.3 The resistance of the installation seam to operating temperatures is determined by the materials of the outer insulating layer.

7.3.1 The assessment of frost resistance is determined by the flexibility on a beam with a radius of curvature of 25 mm according to GOST 26589 at a temperature of minus 20 °C for conventional seams and minus 40 °C for frost-resistant seams.

7.3.2 Heat resistance assessment is determined according to GOST 26589.

7.4 The preparation of the surfaces of window openings is assessed visually.

7.5 Geometric dimensions installation gaps, wall openings, mounted window

structures and the size of defects in the surfaces of openings are measured with a metal measuring tape according to GOST 7502, a metal ruler according to GOST 427, and a caliper according to GOST 166 using methods according to GOST 26433.0 and GOST 26433.1. Others may be used

measuring instruments verified (calibrated) in accordance with the established procedure, with an error specified in regulatory documents.

When measuring deviations from the plumb line (vertical) and horizontal level of the surfaces of window openings and structures, you should use the measurement rules in accordance with GOST 26433.2.

7.6 Appearance and the quality of the installation of the layers of the assembly seam is assessed visually with illumination of at least 300 lux at a distance of 400-600 mm.

The thickness of the sealant layer and the width of the contact strip with the surfaces of the window opening and window structure are checked as follows.

7.7 The thickness of the sealant used as the outer (inner) layer of the construction joint is measured after the sealant has cured. A U-shaped cut is made in the sealant layer, and the cut out part of the sealant is bent outward.

The designated U-shaped section of the sealant is separated from the foam base and the thickness of the narrowest part of the sealant film is measured using a caliper.

To control the degree of compression Kco, % of a self-expanding tape (PSUL), it is necessary to select a piece of tape, measure the restored size by thickness H0, the width of the seam at the point where the tape is taken /f, and calculate the degree of compression using the formula

Ko = N "n Np (4)

7.8 Qualification and periodic laboratory test methods

7.8.1 The thermal characteristics of the assembly joint are determined by calculation method in accordance with Appendix D, in laboratory conditions or by field examination using the method in accordance with Appendix E.

The water permeability of outer layer sealants is determined according to GOST 2678.

7.8.2 The air permeability of installation joints is determined in laboratory conditions according to the method specified in GOST 26602.2. It is recommended to determine the air permeability of installation joints under natural conditions in conjunction with monitoring the overall air permeability of a building or a separate room in accordance with GOST 31167 (Appendix I).

When conducting tests in laboratory conditions, the opening of the test chamber must be identical to the design of the wall opening, and the sample window block must be identical to the window block given in the design documentation for the assembly joint being tested (junction assembly). The design and technology of the installation seam are adopted in accordance with the design solution of the junction unit established in the design documentation.

7.8.3 Sound insulation of installation joints is determined according to GOST 27296.

The test chamber requirements are the same as those specified in 7.8.2, but the following conditions must be met:

the box of the window unit is filled with a panel, carefully insulating the gaps in the connection between the box and the panel,

constructive solution panels and gap insulation during sound insulation tests must provide a calculated sound insulation of at least 45 dBA,

Test conditions are specified in the test assignment (direction).

7.8.4 The resistance of the installation seam to operating temperatures is determined by the materials of the outer insulating layer.

7.8.5 Methods for testing the indicators of materials used for construction of construction joints are established in the RD for these materials and in current standards.

7.8.6 The durability (service life) of an assembly seam can be determined as the minimum durability of the materials that make up the outer central or inner layer of an assembly seam, determined according to methods agreed upon and approved in the prescribed manner.

7.8.7 The compatibility of the construction seam materials is confirmed by comparing the pH values of the contacting materials, while contact of materials with an acidic or alkaline reaction is not allowed.

8 Manufacturer's warranty

The work contractor guarantees compliance of the installation joints with the requirements of this standard, provided that the requirements of this standard are met and the operational loads on the installation joints comply with the design values established in the RD.

The warranty period for the installation seam is established in the contract between the work manufacturer and the customer, but not less than five years from the date of signing the acceptance certificate at the construction site or the date of shipment of the factory-made panel with the installed window unit.

14 GOST 30971-2012

Appendix A (mandatory)

General requirements for construction seam materials

A 1 General requirements for materials

A.1.1 Materials used in the construction of assembly joints must comply with the requirements of the standards, technical specifications and terms of supply contracts. The use of materials with an expired shelf life is permitted only if the results of repeated (additional) tests are positive for their compliance with established requirements.

A.1.2 Materials used in construction joints must have a sanitary and epidemiological certificate in accordance with state legislation.

A.1.3 Materials used for installation joints must have operating temperature applications in the range from minus 10 °C to plus 40 °C.

A.1.4 The installation unit must be designed so that the durability of the materials used for installation joints is at least 20 years in accordance with 5.1.9.

A.1.5 The materials used to construct the various layers of the assembly joint must be compatible with each other, as well as with the materials of the wall opening, window frame and fasteners.

A.1.6 The possibility of using a particular combination of materials should be checked by calculation humidity conditions installation seam taking into account the operating conditions of the premises. The defining criteria in accordance with the current ND are:

Inadmissibility of moisture accumulation in the installation seam during the annual period of operation;

Limiting the accumulation of moisture in the heat-insulating layer during the period of operation with negative average monthly outdoor temperatures.

A.1.7 When making installation joints with a vapor permeability resistance of the outer waterproofing layer of less than 0.25 m 2 h-Pa/mg and a vapor permeability resistance of the internal vapor barrier layer of more than 2 m 2 h-Pa/mg, checking the humidity conditions according to A.1.6 is not required.

A.1.8 Materials for constructing assembly joints should be stored in compliance with the storage conditions specified in the RD for these materials.

A.2 Requirements for the outer layer

A.2.1 The outer layer of the assembly seam must be waterproof under rain exposure and a given (calculated) pressure difference between the outer and inner surfaces of the assembly seam.

The water permeability limit of the installation joint must be at least 300 Pa.

A.2.2 The materials of the outer layer should not interfere with the removal of vaporous moisture from the central layer of the seam.

The vapor permeability value of the outer layer of the seam should be no more than 0.25 m 2 h-Pa/mg.

A.2.3 The materials of the outer layer of the assembly joint must be resistant to the following operating temperatures:

For conventional seams - from plus 70 °C to minus 30 °C;

For frost-resistant seams - from plus 70 °C to minus 31 °C and below.

Table A1 -Technical requirements for vapor-permeable sealants

Indicator name	measurements	Meaning indicator
Conditional strength at the moment of rupture, not less
Relative elongation at the moment of rupture on blade samples, not less
Strength of adhesion to materials of wall openings and window structures, not less
Permissible deformation, not less *
Note - Reference indicators are marked with “*”.

A.2.4 When making the outer layer with a vapor-permeable sealant, the requirements given in Table A.1 must be met.

The contact surface of the layer of vapor-permeable sealant with the material of the wall opening and the window block must be sufficient to ensure the required adhesion strength. The width of the contact layer is at least 3 mm.

The actual layer thickness must be specified in the RD. Minimum thickness The layer after shrinkage should be no less than that on which the sealant was tested for durability. If there is no data on the thickness of samples during durability tests, it must be taken equal to 3 mm. The maximum layer thickness should be no more than that at which the vapor permeation resistance values corresponding to A.2.2 were obtained.

The maximum permissible radius of curvature of the sealant layer in the areas of the “mounting foam/window block” and “mounting foam/wall opening” joints must be specified in the manufacturer’s RD for the sealant.

The thickness of the sealant layer is measured according to 7.7.

The surface of the sealant should not have cracks, the sealant layer should not delaminate or peel off from the materials of the assembly seam.

A.2.5 When making the outer layer with self-expanding vapor-permeable sealing tapes, the following requirements must be met:

The value of the coefficient of vapor permeability in the state of working compression is not less than 0.14 mg/(m-h-Pa);

The water absorption of the surface of self-expanding sealing tapes by volume during working compression of the tape for 12 hours should not exceed 4%;

Self-expanding sealing strips must cover the installation gap in a state close to the optimal operating compression ratio, which must be at least 25% of their total expansion. The compression resistance of sealing tapes at 50% deformation must be at least 2.5 kPa;

The resistance to peeling of sealing and diffusion tapes from the concrete base must be at least 0.3 kN/m (kgf/cm).

In cases where tapes are used to seal assembly gaps in building structures intended for use with increased wind (for example, in high-rise construction) and other loads, sealing tapes should be used in conjunction with protective overlay profiles (flashing).

A.2.6 When using plaster mortars in the outer layer of the assembly joint, it is necessary to ensure appropriate adhesion with the materials of the wall and the structure of the window block, at the junction points plaster mortar PVC profile requires sealing.

Application of a plaster layer, putty or painting compounds that impair the performance of installation joints on the vapor-permeable material of the outer layer is not allowed.

A.3 Requirements for the central layer

A.3.1 The central layer must provide the required thermal characteristics of the assembly seam.

A.3.2 As a rule, polyurethane foams are used as materials for the central layer. The optimal width of the foam seal layer is 15-60 mm, the depth is not less than the thickness of the translucent box. Work using polyurethane foams is allowed at temperatures not lower than minus 10 °C. Technical characteristics for foam insulation of this layer are given in Table A.2

Table A.2 - Technical characteristics of foam insulation

Indicator name	measurements	Meaning indicator
1 Tensile strength, not less*
2 Elongation at break, not less
3 Thermal conductivity coefficient in dry condition, no more than*
4 Moisture absorption by volume with surface exposure to moisture in 24 hours, no more*
5 Strength of adhesion to materials of wall openings and window structures, not less

GOST 30971-2012

Introduction

The requirements of this standard are intended for use by organizations operating in the field of construction and design, regardless of their form of ownership and nationality.

Other sealants can be used as the material of the middle layer (for example, thermolen, jute strands, polyethylene foam tubes or tapes installed on the side of the inner layer of the seam), ensuring reliable operation of the assembly seam when installed using the caulking method with a compression ratio of the material of at least 75%.

At the same time, resistance to temperature effects must be ensured over the entire temperature range for the construction region.

A.3.3 The vapor permeability resistance of the central layer of the assembly seam must be within the range of values of this indicator for the outer and inner layers.

In the case of using frame profiles of window blocks with a width of more than 80 mm and if the width of the installation gap exceeds the dimensions provided for by this standard by more than 1.5 times, the gap should be filled in layers, with intervals between layers using the technology recommended by the manufacturer of the foam insulation.

Cutting off excess foam sealant is allowed both from the outside and from the inside, provided that the sealant is covered with a continuous insulating layer.

A.3.4 In the case of installing an additional water and vapor barrier layer, insulating tapes (usually without aluminum foil), mastics or sealants are used to prevent the impact of diffusion moisture from the side of the wall opening on the materials of the central layer. The value of the vapor permeability resistance of the additional water and vapor barrier layer should not be lower than this indicator for the inner layer of the seam.

A.3.5 Filling the installation gap thermal insulation materials must be continuous in cross-section, without voids and leaks, breaks, cracks and overflows. Delaminations, through gaps, cracks, as well as holes larger than 6 mm are not allowed.

A.4 Requirements for the inner layer

A.4.1 The inner layer must ensure vapor tightness of the assembly seam.

The vapor permeability resistance of the inner layer must exceed this figure for the central layer and have a vapor permeation resistance value of at least 2.0 m 2 h Pa/mg.

A.4.2 Self-adhesive tapes and vapor barrier elastic sealants are mainly used as materials for the inner layer.

A.4.3 Vapor barrier materials along the internal contour of the installation gap must be laid continuously, without gaps, breaks or untreated areas.

A.4.4 When making the inner layer with a vapor barrier elastic sealant, the following requirements must be met:

Conditional strength at the moment of rupture is not less than 0.1 MPa;

Relative elongation at the moment of rupture on blade samples is not less than 200%;

The contact surface of the sealant with the wall opening material and the window block must be sufficient to ensure the required adhesion strength. The width of the contact layer must be at least 3 mm;

The actual layer thickness must be specified in the RD. The minimum thickness of the layer after shrinkage must meet the requirements for vapor permeability according to A.4.1 and durability according to 5.1.11.

In the absence of data on the thickness of samples during durability tests, it is taken equal to 3 mm.

The layer thickness is measured according to 7.7;

The materials of the inner layer may be applied along a butochka cord (tube) made of foamed elastic polyethylene with a water absorption by volume of no more than 1.5%;

The surface of the sealant should not have cracks, and the sealant layer should not delaminate.

3.12 assembly seam layer: A component (zone) of an assembly seam that performs certain functions and meets specified requirements.

3.13 junction of a window (balcony) block to a wall opening: A structural system that ensures the connection of a wall opening (including parts of external and internal slopes) with the frame of a window (balcony) block, including an installation seam, a window sill, an ebb, as well as facing and fasteners.

1 - central layer; 2 - outer sealing layer; 3 - inner sealing layer; 4 - additional sealing layer; 5 - low tide; 6 - window sill

Figure 1 - Diagram of installation of a window unit in the opening of the outer wall of the building

3.14 operational force impact on the installation seam: Impact on the installation seam resulting from deformations of the wall opening and frame of the window unit due to changes in temperature and humidity conditions and wind loads during operation.

3.15 operating conditions: Temperature and humidity characteristics of the internal microclimate, construction region and installation of the assembly joint.

4 Classification

4.1 Classes of construction joints

Depending on the basic operating requirements, installation seams are divided into classes according to Table 1. 3

Table 1 - Classification of installation seams according to performance characteristics

Characteristic	Value for classes for each indicator
Characteristic
Relative air humidity in the room, less than which there is no condensation on the inner surface of the assembly seam, %
Deformation stability in cycles with permissible deformation, not less
Permissible deformation value, %		From 11.0 to 14.9	From 8.0 to 10.9

Notes

1 The value of the relative humidity of the internal air in the room, less than which there is no condensation on the inner surface of the assembly joint, is determined for the temperature conditions of the coldest five-day period in the construction region and the conditions of the internal microclimate in the room according to its purpose. The value is determined by calculation method in accordance with the methodology in accordance with Appendix E or during a field survey in accordance with the methodology in accordance with Appendix E.

2 The value of the permissible deformation of the assembly seam is taken according to the worst indicator of the materials of the outer, central and inner layers and is determined as a percentage.

4 The required classes of assembly seams are specified in the working documentation for junction assemblies

window blocks to wall openings._

4.2 Symbol

4.2.1 The symbol for an installation seam must include the letter index “ШМ” - installation seam, numerical designations of classes in terms of relative humidity, water permeability, air permeability, the value of permissible deformation and the designation of this standard.

Example symbol assembly weld with relative humidity classes - B, permissible deformation values - A, according to GOST 30971-2012:

Note - In the documentation for installation seams (agreement, contract, etc.), it is recommended to indicate the characteristics of the seams according to other classified parameters, as well as technical information as agreed between the manufacturer and the consumer (including specific values of the technical characteristics of installation seams and materials used for their devices, confirmed by test results).

If the class is not indicated in the documentation for installation seams, then it must be at least class B.

5 Technical requirements

5.1 General provisions

5.1.1 Assembly seams at the junction points of window and door units are made in accordance with the requirements of this standard according to design and technological documentation approved in the prescribed manner.

5.1.2 When developing structural solutions for installation joints, a set of materials should be used that work together and ensure that the following requirements are met:

Tightness (tightness) when exposed to precipitation and wind in accordance with current regulatory documents (ND); determined by the outer layer;

Absence of local freezing along the contour of the junction of the window block and the wall opening;

Resistance to operational loads;

Durability in accordance with the estimated service life of the window unit, but not lower than the requirements of this standard.

The materials used in the manufacture of assembly seams at the junction points of window and door units must ensure the possibility of their replacement during operation after the durability specified in this standard. The use of non-replaceable materials is permitted subject to confirmation of their durability for the entire period specified in the contract.

5.1.3 The construction of the assembly seam includes three or four layers that have different functional purposes:

The main central layer provides heat and sound insulation;

The outer layer of sealing - ensuring the diffusion of moisture from the assembly seam and protection from atmospheric influences (rain moisture, ultraviolet radiation, wind);

The inner sealing layer provides vapor barrier and protects the insulating layer from diffuse vaporous moisture from inside the room.

When installing window structures in external walls constructed using wet processes (masonry, monolithic concrete), it is necessary to protect the insulating layer from the migration of process moisture from the adjacent wall by installing an additional layer:

An additional layer is a water and vapor barrier layer between the middle layer of the seam and the surface of the opening, which can be arranged to prevent moisture or vapor from the wall material from penetrating into the seam.

Deformations of the window (door) block arising as a result of temperature differences (shear forces and tension-compression) must be absorbed by any one layer of the installation seam or due to collaboration materials of two or three layers.

The choice of a constructive solution for the junction of a window (door) block to the opening of an external wall is carried out at the stage of developing architectural and design solutions, taking into account the existing loads and is confirmed by appropriate calculations.

The use of a design principle for constructing an assembly seam, different from that specified in this paragraph above, is permitted subject to appropriate justification in the form of calculations, full-scale or laboratory tests.

Options for constructing an assembly seam are shown in Figure 2 (see options A and B).

I - outer waterproofing, vapor-permeable layer;

II - central heat and sound insulation layer;

III - internal vapor barrier layer;

IV - additional water and vapor barrier layer

Figure 2 - Construction seam option

5.1.4 Structural solutions for installation joints must be developed taking into account the material of the external walls and the geometry of window openings, as well as special technological requirements requirements for window units in accordance with GOST 23166. Examples of design solutions for junctions of window blocks to wall openings are given in Appendix B.

5.1.5 Construction seams must be resistant to various operational influences and loads: atmospheric factors, temperature and humidity influences from

premises, force (temperature, shrinkage, etc.) deformations, wind and other loads (in accordance with the required class).

Requirements for thermal performance and deformation resistance of installation joints must correspond to the values in Table 1 and are established in the design and working documentation.

5.1.6 Materials for construction of installation joints are selected taking into account the force operational influences.

5.1.7 Thermal characteristics of the installation joint must ensure temperature values on the inner surface are not lower than the dew point temperature at given values of the internal microclimate (depending on the purpose of the room) in accordance with GOST 30494 and outdoor air for the temperature conditions of the coldest five-day period in a particular region.

5.1.8 The air, water tightness and sound insulation values of the seam must be no lower than the corresponding indicators for the window unit.

Note - The required levels of sound insulation are ensured by the design of the junction unit, which includes the assembly seam. The specified characteristics of installation seams are not regulated by the requirements of this standard, but are ensured by compliance with the requirements of GOST 27296.

5.1.9 The general design solution of the junction unit (including the installation seam, elements of additional weather protection, finishing of the slopes, as well as all other elements that ensure the complete connection of the window block with the opening) must exclude the possibility of cold air infiltration through the assembly seams in winter time(through blowing).

5.1.10 The outer sealing layer (see position 2, Figure 1) may have additional weather protection in the form of special profile elements, rainproof strips, linings, etc.

On the inside, the installation seams are covered with a layer of plaster or cladding parts for window slopes and a window sill.

In the lower part of the window opening, protection from atmospheric influences is additionally provided by ebb (see position 5, Figure 1), additional profile elements, etc.

5.1.11 The durability of assembly joints must be at least 20 conventional years of operation.

5.1.12 General requirements for construction seam materials - in accordance with Appendix A.

5.2 Dimensional requirements

5.2.1 Minimum dimensions of installation gaps for window units various designs taken in accordance with Table 2, Figure 3, as well as from the condition of ensuring the possibility of free thermal expansion of the window block without the occurrence of bending deformations of the profile elements.

Design dimensions of installation gaps in relation to climatic conditions It is recommended to additionally confirm the construction area by calculating the possible temperature change in the size of the window unit in the direction perpendicular to the designed seam (Appendix B).

The value of the installation gap for strip glazing structures exceeding 6 m and facade glazing is taken on the basis of technical calculations (recommendations of the profile system manufacturer).

Figure 3 - Installation gap location

This standard applies to installation seams of junctions of window and external door blocks to wall openings.
The standard is used in the design, development of design and technological documentation, as well as the performance of work during the construction, reconstruction and repair of buildings and structures for various purposes, taking into account the requirements of current building codes and regulations. The requirements of the standard are also applied when replacing window units in operating premises.
The requirements of this standard can be used when designing installation seams of junctions of stained glass and other facade structures, as well as installation seams connecting structures to each other.
The standard does not apply to assembly seams at the junction points of window units for special purposes (for example, fire-proof, explosion-proof, etc.), as well as products intended for use in unheated rooms.
The standard can be used for certification purposes

Title of the document:	GOST 30971-2002
Document type:	standard
Document status:	active
Russian name:	Assembly seams of junctions of window blocks to wall openings. General technical conditions
English name:	Erection to joints of window assemblies adjoined to wall openings. General specifications
Date of text update:	01.08.2013
Date of introduction:	01.03.2003
Description update date:	01.08.2013
Number of pages in the main text of the document:	62 pcs.
Substitute:	GOST 30971-2012
Publication date:	14.04.2003
Reissue:
Last modified date:	15.07.2013
Amendments and changes:	(2005-07-08) - in a new window: Amendment to GOST 30971-2002