Insert windows into wooden house Today you can do it yourself without resorting to the services of professionals. Modern metal-plastic window systems make it possible to give the facade a neat, well-groomed look appearance. Installation of windows with energy-saving properties significantly reduces energy consumption in a private home. A plastic window in a wooden house creates the necessary microclimate and comfort.
Features of a wooden house with PVC windows
Plastic windows are distinguished by their energy-saving properties due to their design. In order for this quality to be fully realized, a wooden house must have normal conditions its ventilation, otherwise unpleasant phenomena cannot be avoided.
In a wooden house with PVC windows, it is necessary to properly arrange ventilation
If we talk about a newly built wooden house, then its main feature is natural shrinkage, which takes some time. This is the main condition that must be taken into account when installing windows in wooden houses in order to avoid situations where, during shrinkage, the window structure becomes deformed and fails irrevocably.
Metering
Carrying out measurements in a wooden house differs from measurements in houses made of other materials. This is due to the fact that wood is capable of changing its parameters depending on the influences environment. Having absorbed moisture, wood expands.
Gap between window frame and the opening must have minimum size, but sufficient taking into account the possible expansion of the opening when wood swells. Otherwise, window skew is inevitable.
The gap between the frame and the opening is left taking into account possible swelling of the wood If you need to install a plastic window in a wooden house old building and it is planned to retain the existing wooden frame, then at the stage of making this decision, the frame should be inspected for signs of rot and insect damage. The frame must be strong, because it will be the base to which the window will be attached.
If the existing frame is unsuitable, then measurements are made taking into account the availability of this in the future structural element window. If there are slopes, they are removed before measurements, since the window opening can be much larger when clean.
Criteria for choosing a window system
A window system consists of several components, each of which performs its own function and is important in its own way.
How to choose the right double-glazed window
The glass surface occupies the bulk of the window structure, so a greater percentage of heat loss occurs through it.
Modern double-glazed windows are characterized by the number of internal air chambers filled with inert gas, which has low thermal conductivity. Hence the name - single-chamber or double-chamber.
Three-chamber double-glazed windows have higher thermal insulation characteristics A double-glazed window consists of three glasses 0.4 cm thick, installed at a distance of 1.6 cm each. That is, 1.6 cm is the width of the air chamber.
The ability of the glass surface to resist heat loss can be enhanced by applying protective transparent or tinted layers to the windows. Tinting can be golden, silver, bronze, bottle blue or green glass.
How to choose the right profile
When installing windows in a wooden house with your own hands, it is important to take a responsible approach to choosing a profile. The shutters and window frames are made from metal-plastic profiles. It, like a double-glazed window, has a number of chambers in its design, which directly affects its thickness. The air in the profile chambers has a low thermal conductivity coefficient. More cameras mean higher energy efficiency of the design. For example, a five-chamber profile with triple glazing can also perform a soundproofing function.
Each window structure is equipped with a drip drain to remove accumulated moisture, as well as a special chamber in the lower part of the profile, which contains silica gel - these are small yellow granules. This substance accumulates excess condensation that can form on glass.
You can choose a profile laminated to look like wood
To make a wooden wall with PVC window looked harmonious, the profile can be laminated. At the same time versatile White color It will also look good on the facade wooden house. The profile can be laminated in walnut, cherry, oak or mahogany - these are the most common options. In the case of lamination for natural wood, the window sill is made in the same design, and the shimmer is chosen in brown.
How to choose fittings and seals
Fittings are an element of a window system that should not only have a beautiful appearance, but also be durable and reliable. Internal mechanisms tilt-and-turn system can withstand repeated loads. Therefore, they are made from high-quality and durable material.
The service life of windows largely depends on the quality of the fittings. The sealing material for a plastic window must withstand temperature changes and not deteriorate over time.
Checking products before installation
To avoid problems and unexpected unpleasant surprises during the installation process, it is important to first check the readiness and completeness of the products that the manufacturer must deliver to the installation site. If the delivered products are found to have obvious defects during visual inspection, they must be returned.
If the customer removes finished windows from the manufacturer’s premises on our own, then this check must be carried out at the place of manufacture of the products. As a rule, the company’s managers themselves offer to do this, so that the customer can then sign the work completion certificate stating that he has no complaints about the quality of the products.
The measurement results are indicated in the measurement sheet It is necessary to check the dimensions indicated in the act and, for reliability, compare them with the dimensions in the measurement sheet. A copy of it is given to the customer along with the contract, which sometimes specifies maximum permissible deviations. If there is a discrepancy, the document is not signed and the product is given to the manufacturer for rework.
If everything is normal with the dimensions, then the next step is to check the plane of the product - it should be flat, without bends or deformations. The window system is delivered assembled, so it is important to check the sash control mechanism. Then the integrity of the glass unit and the density of the sealing elements inside are checked.
Installation of windows in a wooden house on an existing frame
If the house is not new, then first you have to dismantle the old ones wooden windows, this must be done carefully, since some elements are quite suitable for use in a subsidiary farm. When all the preparatory work has been completed, you can begin installing the window. How to correctly install windows in a modern wooden house with your own hands will be discussed below.
To install windows during construction, preparation of the opening is not required First you need to remove debris from the window frame and clean it. Next comes installation window sill boards. Control over the horizontal position is carried out using a level.
To prevent the window sill from “moving” during fastening, its end sides can be inserted into the side racks, where it is necessary to make appropriate recesses. The window sill board must be secured using self-tapping screws. The window must be inserted using the unpacking method, that is, it will be necessary to remove the sashes and double-glazed windows.
Wood screws are used to secure the window frame to the frame. It is important to control the vertical position of the window frame. It is placed in the center of the opening so that there is space on both sides for the installation seam. Fix its immobility with bars or wedges.
A gap must be left between the frame and the opening, which is filled with polyurethane foam. When filling assembly joints with foam, the spacers are not removed until the foam has completely hardened. And after the foam hardens, it is cut off and covered with mortar or plastic covers to protect it from direct sun rays, under the influence of which the material is destroyed.
When the frame is secured, reverse order install all previously removed elements of the window system in their places.
Installing a window in a log house
To avoid troubles that may occur as a result of shrinkage, log house openings must be carefully prepared. Installation of windows in timber house occurs with a casing or, in other words, a casing device.
Installation of windows in a log house begins with the installation of a casing or frame, which ensures the independence of the window system from the behavior of the walls of the house. Wooden windows can also be installed using this method.
To install windows in a log house, first install a frame There are two types of casing device during construction log house. A more common method is to make grooves in the end parts of the logs in the opening into which bars of the same size are placed. Usually it is 50x50 mm. This method is used when it is necessary to insert a wooden window.
For double-glazed windows, the second method is used: a ridge is cut out at the ends of the logs, onto which a carriage with a groove is placed, inside of which, as if along guides, the log will shrink when drying.
A carriage is a vertically oriented structure made of 150x100 mm timber, with a length greater than the size of the window by an average of 5 cm.
Installation of windows in frame houses
Installation of windows in frame house Do it yourself without installing a casing, since the frame material of such a house is not subject to shrinkage.
Window installation diagram in a frame house Installation of windows in a modern wooden house is carried out by fastening them to anchor plates, which must be purchased in advance if they were not included with the window. During installation, it is important not to forget to control the position of the window in the horizontal and vertical plane.
The plates are attached to the end parts of the frame in five places. One in the center on top and two on both sides with a distance from the edge of the frame of at least 20-25 cm. Then the window is installed in the opening, a gap is left below for the foam, placing bars under the frame, and the frame is secured to the frame. The side gaps are also foamed.
Installing windows in a wooden house with your own hands should not cause difficulties if you follow the technology installation work and taking into account the specifics of a log house.
Wooden windows are not only beautiful, but also environmentally friendly. And how long the window will serve you directly depends on how well the installation is done. Of course, it is better to hire a qualified specialist to carry out this work, but you can carry out the installation yourself, having thoroughly studied the technology. Also the owners country houses, often resort to self-installation windows, since installing windows in a wooden house with your own hands saves a lot total costs for construction and renovation work Houses.
Described in another article. To clearly understand how to install a wooden window with your own hands, watch the video.
DIY installation of wooden windows in a wooden house: video
Technology for installing wooden windows in a wooden house:
- Window opening measurement. The width of the opening is measured from the left to the right slope and from the upper slope to the window sill indoors.
- . Before dismantling begins, the glass is removed from the window frames and the old slopes and casing are removed. After this, you need to knock out the nails from the window frame and remove it from the box. Next, if necessary, the old window sill is dismantled. Then you need to remove it from the window opening.
- Preparing the opening. When the old window is completely dismantled, you need to clean the window opening from any remaining sealant and other debris. Next, all wooden surface treated with a special antiseptic.
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Installation of waterproofing and sealing tape
Window installation
- Laying sealing and waterproofing tape on bottom part window.
- Window frame installation.
- Secure the box using special wooden pads and wedges.
- Vertical and horizontal adjustment. When installing a window, it is worth considering that you need to focus on the real horizontal and vertical, and not on the sides of the window block. To do this, use a building level.
- Drilling holes in window opening every half meter on all four sides.
- Fixing the box using self-tapping screws.
- Installing insulation along the border of the window frame. For this purpose, polyurethane foam is used, which must be applied evenly and without interruption. To avoid the formation of excess foam, you can install a restrictive wooden strip.
- Frame installation. The frame is installed in the grooves of the window frame and fixed in it with screws.
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- Setting the opening/closing design.
- Final finishing. When the main work is completed, the window sill, platbands, ebbs and all wooden elements or are installed.
When installing wooden windows with your own hands, you need to consider the following nuances:
- The opening size should be more sizes windows approximately 30 mm. In this way, the necessary reserve for the arrangement of insulating materials is provided. And in the lower part of the opening it is worth leaving 50 - 60 mm, taking into account the presence of a window sill.
- For greater heat retention, it is advisable to install wooden windows closer to outside window opening.
- The angles must be 90°, and the diagonals must differ by a maximum of 10 mm.
- Polyurethane foam tends to deteriorate due to exposure to the sun and other factors, so it should be protected with a layer of sealant,
The seemingly simple process of installing double-glazed windows (plastic windows and others) in wooden houses in the future may well be complicated by quite unpleasant moments - if you do not take into account some features during the construction of a wooden house or during installation similar products. How to properly install windows in a wooden house so that problems do not arise?
Windows with double-glazed windows retain heat very well, but if you do not think through the ventilation of the house, unpleasant phenomena can occur.
Some characteristics and features
It is known that wooden houses shrink over time. This fact is the most important of all that must be taken into account when installing plastic windows in a wooden house. So, how to properly install plastic windows in a wooden house so that they don’t warp in the future and stop closing?
Installation of a casing box in a wooden house is necessary to eliminate problems arising from shrinkage of the log house.
To avoid the troubles described above, when installing double-glazed windows, you must use a window frame, another name for this design is casing. This design necessary to ensure the independence of the window installation from the walls in wooden houses. In other words, the installation of plastic products should take into account the possibility of shrinkage of the walls of the house without putting pressure on the frames themselves. To understand what you will have to face, it is necessary to consider the process of shrinkage of the log house itself.
There is a misconception that a wooden house completely shrinks just a year after its installation. Of course, over the course of a year the log house will shrink by 3-5 cm for every 3 m of its height. However, in general, shrinkage is not only subsidence, it is the entire process of drying the logs from which the house was built. Therefore, if the log house was supplied from a damp forest, the logs can dry completely in about 5 years - in a temperate climate.
At the same time, they will shrink by 5-10 mm in diameter every year. Therefore, setting plastic systems in a wooden house, it must be taken into account that it will slowly shrink for at least 5 years. This is where the casing comes to the rescue.
Tools required for work:
- electric drill;
- hacksaw;
- screwdriver;
- hammer;
- chisel;
- jigsaw;
- roulette;
- level;
- plumb line
Installing windows in a wooden house: sequence of actions
The main purpose of the casing is to firmly fasten windows in the opening while maintaining the independence of the entire window structure.
The technology for installing windows in a wooden house - both plastic and wooden - is not much different. Below we will consider this process step by step: let's start with preparing the openings, as well as making the casing (frame), and end with a look at how to correctly install plastic (wooden) structures in the frame.
For correct installation of double-glazed windows ( wooden elements) openings require special preparation. To complete the installation with the least amount of negative consequences, you need to start by correctly cutting out the holes in the wooden house.
Distance of openings from the floor in a wooden house
The optimal distance from the window sill to the floor in a wooden house is considered to be 80-90 cm, and it is necessary to take into account the height of the person. This distance is determined by several points:
- you need to be able to approach the window comfortably and lean on the windowsill;
- height of writing, dining tables And kitchen countertops is 75-85 cm, so the window sill should have a slightly higher height.
Therefore, the openings must be cut 5 centimeters lower, taking into account the thickness polyurethane foam(1-2 cm), as well as the thickness of the future window sill (about 3-4 cm).
The joints between the frame and the wall are filled with a double layer of insulation.
Cutting out the window opening
For this operation you will need a water level. With its help, you need to evenly mark horizontal lines and a plumb line, which will then help mark vertical lines.
We mark the bottom line at the height specified in the previous section. After this we mark the upper border.
It must be taken into account that the height of the openings for plastic windows should be 13-14 cm greater than the height of the window.
This is explained by the fact that from the window to the bottom edge of the opening you need to leave about 4 cm for the window sill and foaming, on top - 1 cm for foam, for the upper part of the window frame - 4 cm, and also 4-5 cm for shrinkage of the house.
Now, using a plumb line, you can mark the vertical edges of these holes. At this stage, the width of the opening, as in the case of height, should be 12-14 cm larger than the size of the ordered products.
Widget (casing) - properties of the element
The main purpose of this design is to firmly secure wooden (plastic) windows in the openings of a wooden house while maintaining the independence of the structure from the walls. If you neglect the casing, after a while the logs will dry out, their diameter will decrease and they will begin to put pressure on the device. It is also possible that the window will simply break under the pressure of the walls.
The location of the ridge is marked using a level.
There are two types of pigtails. The most common option is when 50x50 mm grooves are made at the end of the opening logs, inserting bars of the same size into them. However, this version of the pigtail is only suitable for wooden structures, since they can be foamed between the bars.
When installing double-glazed windows, you should cut out a ridge at the end of the opening logs, on which to put the carriage together with the groove. In this case, during drying, the logs with the ridge will sit inside the carriage of the frame, as if along guides, without exerting any pressure on the constructed structure.
Carriages for pigtails
These carriages are vertical structures made of 150x100 timber. It is with their help that you can achieve independence of wooden (plastic) windows from logs.
The carriage is a structure whose length is 5-6 cm greater than the size of the window. A groove is made in the middle of the wider side of the carriage, the dimensions of which are 50x50 mm. Installing the carriage is quite simple - it must be placed on a ridge cut into the end of the opening logs.
Preparing window openings in a wooden house
Before you begin installing plastic (wooden) windows in a wooden house, you must correctly and accurately mark the installation location. To do this, at the ends of the openings (necessarily using a level), you should mark where the ridge for the carriages will be cut.
Installation of the pigtail
After the opening is ready, we can begin assembling the frame. First you need to cut out top part pigtails, make grooves in the board, which will then need to be put on the comb.
The socket is fastened only by connecting the groove and the ridge.
The board is the top of the window opening, into which the elements will then be installed. Therefore, the board should not have any kinks and be level so that there are no difficulties when installation is carried out.
To prevent squeaks and also improve thermal insulation, the ridges can be covered with rolled tow, and then put prepared carriages on them.
The board, which is the top of the frame, is screwed to the carriage with self-tapping screws. It is important not to make a mistake here - if you suddenly screw the board to the ridge, the whole structure will lose its meaning.
It is also advisable to check the parameters of the opening itself. For installation to proceed without complications, the opening must be 2-4 cm wider than the window - this gap is necessary for foaming.
The height of the opening is 5-7 cm greater than the height of the window. The gap is necessary to install the window sill and further foam it. About 5 cm should be left between the log and the top of the opening for shrinkage.
Installation of plastic (wooden) windows in frames
When the openings are ready and the frame is installed, you can begin installing the windows. It is important to remember that when installing plastic products, you should never drill through the frame, as the thermal insulation and tightness will be destroyed.
Therefore, when purchasing parts, you need to buy special fasteners. Installation of these fasteners is carried out, as a rule, at the end of the frame. To make the installation less complicated, you need to remove the sashes from the frame - without sashes it will be much easier to hold the frame.
Next step - correct installation frames into the opening. Here again the level will come to the rescue; without it, the window will be installed crookedly.
After the device is installed, it should be attached to the pigtail using fasteners. Do not forget that you need to leave a gap at the bottom for the mounting foam - it is best to place a chip under the frame. After the frame is installed in the frame, you can hang the sashes, after which the window should be foamed around the perimeter with polyurethane foam.
Despite the fact that the window market has long belonged to manufacturers of PVC structures, their wooden predecessors are still in demand. This is because during operation, plastic products discovered their shortcomings, which consumers are now aware of.
For connoisseurs of environmentally friendly materials of natural origin and a comfortable microclimate in the home, wooden windows are indispensable. Yes, their cost is higher, but if the issue is pressing, it’s better not to skimp. And you can save money on professional installation. Installing wooden windows is not that difficult, so if you have minimal skills, you can do it yourself.
Plastic windows are a popular product that has temporarily pushed out of the market wooden crafts. But the demand for the latter has not subsided. This is due to some characteristics of wood and PVC. If still not done final choice material for window profile, evaluate their advantages and disadvantages.
| PVC | Tree | |
| Safety | When burned, releases toxic substances | Environmentally friendly material |
| Appearance | The new window looks perfect, over time the profile gets dirty and turns yellow, redecorating impossible | Looks expensive and aesthetically pleasing, the profile can be painted repeatedly |
| Price | Production is on stream, so the cost is lower | Made exclusively to order, the price tag is accordingly higher |
| Difficulty of installation | Frame-only design - installation is quick and easy | The window frame is mounted in a box installed in the opening - a longer and more painstaking process. The exception is wooden Euro-windows, their design and installation are similar to PVC |
| Tightness | Excellent insulation from street noise, does not allow air to pass through, for this reason frequent ventilation is necessary | The material “breathes”, ensures air circulation, thanks to this there is an optimal microclimate in the room |
| Functionality | Rotary and tilt-and-turn mechanisms of the sashes, there is a micro-ventilation function | Modern models are equipped with fittings similar to plastic; old-style products can only be opened by turning |
| Life time | At proper care And regular maintenance fittings and seals – service life of at least 20 years | Depending on the type of wood and the characteristics of caring for the product - from 20 to 70 years |
According to technical and operational characteristics wood and plastic are almost equivalent. Those for whom the safety and health of family members are more important than the amount spent will definitely choose a tree. Anyone who supports this group of people and decides to install wooden windows needs to study the installation stages in detail and pay attention to the features of the process.
Installing a wooden window: step-by-step guide
Make your own high-quality window frames Only a person with professional skills can make wood, so it is better to order a window from specialists. The structure will be assembled according to custom sizes. For an additional fee, they will measure the window opening and deliver it to your apartment or house.
There are wooden windows different types. Most often, Russian or carpentry and Euro windows are used; there are also Scandinavian ones, but they are difficult to find on the domestic market. 
Carefully inspect the finished window upon receipt; after an unsuccessful installation attempt due to a frame defect, the manufacturer will most likely not accept the claim.
When receiving a finished window, you need to check the correctness of its geometry and compliance with the dimensions of the opening; to do this, you need to make a few simple measurements: diagonals (they must be equal), width and height at several points of the frame and frame. And also inspect the product for defects, wood chips, and uneven coating. Check the functionality of the sashes.
You should also take care of the configuration of the window. It is necessary to have a street drainage system - most often it is made of galvanized steel coated with paint. The window sill can be purchased wooden or plastic, stylized as wood. For home with thin walls, you can order carpentry equal in width to the wall, then you won’t need internal slopes. IN brick house or for Euro-windows, upgrading the slopes is a prerequisite; they can be plastered or installed with a 10 mm sandwich plate, 4 mm plastic sheet, or plasterboard.
Installation tools:
- Screwdriver;
- Fastening elements (self-tapping screws with dowels, blocks or bay window connectors);
- Hammer;
- Jigsaw or small saw;
- Level;
- Foam gun;
- Roulette;
- For slopes - spatula, brush, masking tape, mounting blade.
For insulation, polyurethane foam is sufficient, but many additionally use polystyrene foam, penoplex, mineral wool or other materials that prevent the penetration of cold and moisture into the room.
Measuring the opening
The easiest way to calculate the length and width of a future window is if the opening is empty. In this case, all its features are visible, namely the shape, the presence or absence of a quarter.
First you need to determine the useful width and height of the window opening using a plumb line. If there is a skew, then it is better to make a smaller window, but install it level. 
The opening without a quarter is measured in width and height, from the obtained values 20-25 mm are subtracted from the sides and top, and 50-60 mm from the bottom - these are the gaps for the polyurethane foam.
For an opening with a quarter, you need to measure the width and height from the street side and add 20 mm to the size on each side - this is the size of the frame. You also need to check that the future window has the necessary gaps between the frame and the wall with inside. Tight contact should not be allowed, even if the opening is perfectly level - the pressure of the wall during seasonal deformation can damage the frames. 
It is also necessary to remove the dimensions of the drainage system, window sill and slopes. If you plan to install a carpentry window, and the house is wooden or panel, then the box should occupy the entire width of the wall. It is not advisable to do this in a brick house long distance between the frames - optimally 20 cm, the remaining width of the wall will need to be finished with slopes, and a wide window sill will need to be installed below. 
If the window opening is occupied by old glazing, and you live without a window for at least 7-15 days (that’s how long they make wooden frames) is not possible, it is better to invite specialists to take correct measurements, taking into account all the features of the opening. It’s difficult to do without their experience.
Preparing the opening for installation
Removal of old glazing must be done carefully so as not to damage the opening. If you plan to dispose of the old window, you can use a saw and clear the opening in parts. Before dismantling, it is necessary to remove the sashes, remove the glass and frame and frame fastenings.
Attention should be paid to the integrity and reliability of the opening. Anything that does not hold well must either be fixed or removed. Fill the voids with any insulation. Remove all debris and dust.
Window installation
The first step is to correctly place the frame or box inside the opening, level it and install it on the bars laid below. Next, the window needs to be fixed. 
Three types of fastenings are suitable for installing wooden windows. Which one to choose is determined by the type of window and opening. In any case, each of them ensures reliable fixation of the product.
When the window is securely fixed, you can begin filling the installation seam. To do this, you need to squeeze out a continuous strip of foam of uniform thickness.
Polyurethane foam expands several times, so do not fill the seam completely. At best, this is an irrational consumption of material, at worst, frame deformation.
The drying time of the foam is indicated on the foam. The next stages can only be started after this period has passed.
The installation of a wooden window by the hands of professionals using bay window plates is presented in the video. They will show and tell you how to install a window in the opening, fix the frame and fill installation seam foam.
Installation of drainage, window sill and slopes
WITH outside A drainage system is attached to the window; it must completely cover the lower slope and protect the installation seam from moisture, so accuracy is important when adjusting the size. To fix the ebb on euro-windows there is a special groove. TO carpentry, it is attached directly to the frame with self-tapping screws. The gap formed below foams.
The length of the window sill should be slightly larger than the opening - its edges are walled into the wall. It is necessary that the width 
the window sill board allowed it to be placed a few millimeters under the frame and protruded above the wall by several centimeters (according to GOST - to the middle of the heating radiator). The space between the window sill and the lower slope is filled with foam. To prevent the surface from leaking from the pressure of excess foam, heavy objects are temporarily placed on the windowsill.
Slopes can be improved by plastering and subsequent painting. If the seam is large, pieces of insulation are placed on the wall, which will reduce the duration of the work and material consumption. This method is suitable for finishing 
internal and external slopes.
If wood trim is appropriate in the room, then the slope can be made from this material. The main thing is to lay insulation under it and treat the wood with a protective compound.
Most often, slopes made of plastic are used - they themselves serve as insulation. It is better to install them yourself on guide profiles. A sandwich panel or a sheet of homogeneous PVC is fixed with a turn outward, the cavity between the wall and 
the slope is filled with foam. To prevent the panel from moving under the pressure of the foam, it is secured to the wall with masking tape. For an aesthetic, finished look, decorative corners are installed on the slope.
Drywall slopes are fixed in the same way. But in order to put their appearance in order, a complex of puttying and painting work will be required.
At the end of the work, it is necessary to clean the window from dust and seal all joints. It is not recommended to remove them until they are dry. construction garbage, as dirt will settle on the sticky seams and they will darken. 
In order for a new window opening to remain attractive and functional for a long time, it is important to properly care for the structure and eliminate defects in a timely manner.
- Inspect the product annually for damage and promptly repair it;
- Twice a year, clean from dust and lubricate rubber seals and metal parts of fittings with technical oil;
- Change seals at least once every 5 years;
- Apply no more than 2 - 3 layers of paint. For subsequent coating, the surface must be cleaned down to the wood;
- Do not allow moisture to accumulate on the windowsill. The reason for its appearance may be flower pots, thick curtains and blinds.
If the window is set to all building regulations and quality care is provided, it will last for several decades. There is nothing complicated in installation, the main thing is not to deviate from the rules and use the recommendations of specialists.