Tapes for pvc windows are external. Vapor barrier tape for plastic windows - where to use and how to glue? Dimensions and specifications

Joints, seams of any structures are the most vulnerable places. The same can be said about the windows installed in the window opening. It is the mounting seam that will be the most weak point throughout the structure. Through a poorly laid seam, heat can escape, moisture and extraneous sounds from the street can penetrate, and finally, the condensate that forms during the temperature difference will accumulate inside the insulation and worsen its characteristics, leading to destruction. Description of characteristics assembly seam and the technology of its installation is given special attention in GOST. On the this moment GOST 30971-2012 is valid.

Technology features. Why you need vapor barrier tape

According to GOST, the assembly seam must be three-layer. Each layer has its own function:

1. The middle layer - the main one - provides heat and sound insulation due to the porous structure.
2. The outer layer protects against moisture coming from the street (it removes it) and from UV rays.
3. The inner layer is a vapor barrier. In fact, it traps heat in the house and does not give steam that accumulates in inner space rooms, penetrate inside the insulation layer.

Thus, compliance with the technology of the device of the seam is necessary in order to prevent the penetration of moisture, the formation of condensate, to improve heat and soundproofing properties. Refusal to install insulating layers will reduce the cost of installation and construction by about 15-20%, in general, but GOST does not allow such cases.

Classification of vapor barrier for windows

To install a PVC window, a vapor barrier tape is used in all its variety of varieties and a diffusion vapor-permeable tape.

Tapes can have one or two adhesive surfaces. The former are installed on the frame itself, the latter can be installed in window opening, gluing them to the wall and to window profile. The range is divided into winter and summer options. Summer ones are designed for installation at temperatures from +5 degrees to +35 degrees, winter ones - for installation at temperatures of +5 degrees and below. Moreover, when installed in winter time heating of the surface of the window opening is necessary.

The tape should be approximately 5 cm wider than the installation seam.

According to the material of manufacture, two types of tapes are distinguished:

1. Butyl rubber tape with a reinforcing layer of nonwoven fabric for sealing joints.
2. The tape is metallized, intended for installation in damp rooms.

Tape types

The functionality of the tapes is different, therefore, when installing windows, they use different varieties depending on the goals at each specific stage. The tapes should be reviewed.

The procedure for installing a vapor barrier tape

The vapor barrier tape is installed after performing the preparatory procedures: dismantling the old window, cleaning the opening from debris, dust, sealing and leveling large irregularities.

1. The window opening is wiped with a dry cloth and the window structure is pre-installed. In the process, the future location is marked vapor barrier tape PSUL.
2. The window is removed from the window opening and a vapor barrier tape is glued to the frame with a 5 mm indent from the markings. In the corners, the tape is glued end-to-end, for which the tape is initially cut off with an allowance that will go to fit. The surface must be degreased and dust-free.
3. Tape for slopes is glued to the side profiles and the top one. leave an overlap of about 10 cm.
4. Install the window. Foam the seam.
5. The mounting seam is closed from the outside with diffusion tape.
6. Before installing the tide, PSUL is glued along its lower surface.
7. On the seam at the bottom of the box with inside fix the metallized vapor barrier tape.
8. The tape on the window sill is glued last.

Vapor barrier is required for plastic windows. The vapor barrier tape allows you to close the joints, seams, protect the structure from wind and precipitation. Thanks to this element, it will not enter the room through the joints cold air, which will ensure the greatest tightness of the room and minimal heat loss.

How to properly install windows?

Modern builders most often use mounting foam for installation. M about Window tape is applied together with sealant after the foam has dried. It is needed in order to protect the material from moisture, as well as to close possible gaps and stop the access of cold air to the room. If this condition is neglected, in less than a year cracks will appear between window frame and a wall through which cold air will enter the room. There will be drafts, the windows will sweat a lot and freeze at the joints.

See the link for window installation steps and common mistakes during their installation.

When building a private house, you need to think in advance, the height will be, which ones will be more practical and look better.

Modern builders will often use to install doors and plastic windows. Read on the website for advice from professionals on how to choose it

Why is vapor barrier used in plastic structures?

It is worth considering that the more correctly the installation is done, the more reliable the design will be and will be able to serve you longer. Even if , but are inserted incorrectly, you will not get the desired effect.

Care must be taken to ensure that workers without fail fulfilled the following conditions:

• The inside of the mounting gap must be filled with thicker foam than the outside.
• The system must be three-layer. The first layer on the street side protects the entire cake from the weather, the middle layer is responsible for thermal insulation, and the inner layer protects against condensation.

Vapor barrier tape for is necessary to ensure the protection of the structure from water vapor.

In order for the vapor barrier not to interfere with the plastering, special tapes should be used, on top of which the room can be finished.

What should you know about sealing?

Most often, windows are fastened with special bolts and: this material simultaneously serves as a reliable retainer that allows you to adjust the position of the frame before the foam hardens, and as a high-quality insulation. However, sealing for the material is extremely important, since when moisture enters the foam begins to deteriorate over time, crumble and turn yellow, which negatively affects its properties.

Window tape is great for protecting foam. Even if you are going to use platbands that will protect the structure from weather conditions, and also be able to give the frame decorative look, before installing them, it is worth sticking the tape. It will help to make the insulation of high quality, while making the work not much more expensive.

The most inexpensive and easy-to-install vapor barrier for windows is a special tape that everyone can handle with a sticker.

High-quality glazing requires a serious attitude and is impossible without proper insulation of the gap between the opening and the window. Often, organizations that install translucent structures are limited to traditional polyurethane foam, which is subsequently covered with plaster or other finishing materials. This approach has proven itself relatively well and in some cases does not cause complaints from the consumer throughout the entire life of the window.

However, glazing with one level of sealing the opening does not meet the state requirements for the quality of services or goods provided, that is, GOST. To comply with these requirements, additional insulation is required between the window and the opening, both from the side of the street and from the side of the room. Such isolation is provided with the help of special mounting tapes.

Window mounting tape is a self-adhesive material on a polymer or fabric basis, designed for additional sealing of window or door openings.

Varieties of mounting tapes for windows

The functions performed by the tapes are different and depend on the place of gluing, the state of the opening, the features of the future finishing of the slopes, as well as the requirements for the window unit. Next, consider the most commonly used materials common in the modern construction market.

PSUL

pre-compressed sealing tape it is mainly used outside translucent structures. Its main purpose is to ensure unhindered removal of moisture from the area where the loot adjoins the opening.

In fact, this is a tape product made of elastic polyurethane foam (looks like foam rubber), usually gray or black. One side of the material is coated adhesive composition insulated with protective film. The tape is supplied rolled into compact reels or rolls (depending on the standard size), which need to be unwound only during installation, as the material loses its qualities over time.

The main feature is the ability to fill joints as a result of the expansion that occurs as a result of contact with air. The tape isolates the gap from moisture and external influences with outer side, while allowing excess liquid to evaporate from the inside.

Scope of PSUL:

• Additional sealing of interfaces between elements of prefabricated structures;
• Sealing the gap between the frame and the opening when installing windows and doors;
• Insulation of joints between small-sized movable units of building facades;
• Filling the outer joint between the slope and the frame during PVC installations windows.

It is important to understand that for high-quality gap filling, a tape of the appropriate size is needed. For example, if the task is to seal a joint with a maximum width of 40 mm, you will need PSUL with a nominal size of 45-50 mm.

Hydro vapor barrier (HPL)

This type of tape product is most popular when installing window blocks. Among its main features are the following:

• The waterproofing mounting tape is designed to seal joints from the side of the room.
• Most often used as the basis of self-adhesive material polyethylene film. On the one hand, the tape is equipped with a foil coating, and on the other - with an adhesive composition.
• The glue used provides reliable fixation on most surfaces (concrete, brick, cinder block, wood, etc.). The products of some brands are characterized by poor adhesion to foam blocks and aerated concrete, so before purchasing, you should consult with the seller or read the attached instructions.
• The structure of the material excludes the penetration of moisture or air both through the tape itself and through the gluing points. Due to this, the maximum possible tightness of the joint of the opening and, as a result, the structure as a whole is ensured.
• In addition to insulation against moisture, the tape is not destroyed by prolonged contact with ultraviolet radiation and is not subject to destruction from exposure aggressive environments(household acids, alkalis and other reagents).

GPL is used for waterproofing mounting gaps that occur during the installation of window and door blocks, as well as for sealing structures made of metal, wood, concrete and plastic.

GPL-S and insulated GPL

VM (VM+) tape

• VM. Vapor barrier tape designed for sealing joints indoors. It is used in cases where wet finishing of slopes is planned (plastering or decoration tiles). Provides protection against moisture ingress into the joint of the opening and secure fixation of the finish coating.
• VM+. A modified analogue of the previous product with similar properties. Featured the best waterproofing qualities, which allows you to use it in rooms with high humidity (kitchens, showers).

BC (BC+) tape

Diffuse (vapor-permeable waterproofing tape)

It is used outside structures in conjunction with pre-compressed tape or in situations where it is impossible to use the latter. Traditionally, with the help of a diffuse tape, the area of ​​\u200b\u200battaching the casting profile is isolated, since PSUL cannot be glued at the place of its fixation, but there are also cases of use around the entire perimeter of the window block.

The structure of the diffuse tape prevents the penetration of moisture and cold air into the assembly seam, in addition, the material protects the polyurethane foam from the effects of solar ultraviolet radiation. In addition to the protective qualities, the tape has the ability to pass steam formations from the inside of the junction of the frame and the slope, thus providing the necessary ventilation for this section of the structure.

Butyl rubber tape

The butyl rubber used in the basis of the tape is quite elastic material with high adhesion to most surfaces. It is equally firmly fixed both on stone and on wood or plastic. It is also worth noting environmental friendliness and almost complete harmlessness to the consumer. The main disadvantage is the flammability of butyl rubber, which requires compliance with the relevant installation and subsequent operation standards.

Used as an insulating material on the inside of the structure. It is glued from the bottom of the window sill profile as an additional protection against blowing from the outside and the penetration of steam into the installation seam from the side of the room.

Mounting Features

The tape is glued both before fixing the window block in the opening, and on already installed structures. The first option is more convenient in cases with the installation of external insulation.

Consider the algorithm for applying tape insulation using the example of gluing a pre-compressed sealing tape (PSUL) and an internal GPL-S with an additional strip of double-sided tape:

It should be remembered that the tape must be selected in accordance with the weather conditions. When working in winter, it is possible to glue only material intended for use in low temperatures.

Salute, readers!

I love thematic forums, where everyone has their own opinion and teaches others.

What battles sometimes flare up there!

So this time, at one of these forums, I managed to witness disputes about the need to use vapor barrier tape.

One member of the forum, foaming at the mouth, argued that she was not needed and that it was good publicity stunt one of the Western companies, the other - explained why it is bad without it.

If you do not yet know what a vapor barrier tape is, then this topic is just for you.

Welcome!

Vapor barrier tapes for windows good finish slopes and assembly seams will provide worthy characteristics of a window. In order for the window in your house to function well and for a long time, you should not miss such a moment as installing a vapor barrier tape.

The hermetic tapes used to isolate the installation seam from the vapors and moisture of the adjoining premises prevent condensate from escaping onto the slopes.

If you have a kitchen, a room with a pool or a sauna, then installing a vapor barrier tape on the windows is a must for you.

Varieties of vapor barrier tape

Tapes can be either with one or two adhesive strips. Two adhesive strips are designed to fasten the tape with one side to the window and the other to the wall.

Also, vapor barrier tapes are classified according to weather periods:

• for the summer period with air temperature from + 5°С to + 35°С;
• for winter period with temperatures below 0°C.

The width of the tape also varies depending on the needs, which makes it possible to provide a reliable vapor barrier of the seams. various sizes. When choosing vapor barrier tapes, keep in mind that its width should be about 45 mm more than the width of the mounting seam.

Ribbons for outdoor work consist of foamed materials (for this work, good sealing materials with plaster mortar, which will provide the required vapor barrier of the outer layer).

The vapor barrier tape can be butyl rubber, for tightness of interpanel joints or for installing door or window blocks.

This tape contains a non-woven fabric. During installation, it is primed, plastered and painted. This type also self-adhesive.

To protect the installation seam from high humidity for dry finishing of slopes, there are metallized vapor barrier tapes on the market.

General information on installing vapor barrier tape

• Initially, you need to prepare your opening: clean the inner and outer surfaces of the opening and frame from dirt, dust and other debris. The frame is inserted into the opening and is not temporarily fixed.
• After gently mark the line on the frame for attaching the vapor barrier tape.
• After carrying out the calculations and marking with the window, we remove the frame and glue our internal vapor barrier tapes. We do not remove the paper strip that protects the inner adhesive layer, which later attaches to the walls.

As a rule, the installation of a vapor barrier tape on the structure is carried out before the joint is foamed.

Useful advice!

Therefore, before finishing, moistening and filling with foam, you can remove the protective paper stripes with vapor barrier tapes.

This will allow you not to lose the adhesive properties of the tape. If you are driving concealed installation, then from above and on the sides the tape should be attached to the ends of the structure, and from below to the installation profile.

• External heat-insulating tapes can be glued no earlier than the complete polymerization of the mounting foam.
• Installation of vapor barrier tape under the window sill can be done last. When installing a vapor barrier tape under the plaster layer, the tape must have an outer coating, which will provide the necessary adhesion to this plaster layer.

In the event that the window quarter has gaps between the frame and the wall, a different technique is used: an uneven joint can be closed with a window flashing, and a vapor barrier tape can already be glued on it.

Installing a vapor barrier tape on windows is installed in a continuous layer along the entire contour of the opening.

Do not forget that the use of finishing building materials in combination with a vapor barrier tape is allowed only if the moisture-permeable characteristics are observed.

source: moscowsad.ru

Self-adhesive hydro-steam and thermal insulation foil tape (vapor barrier)

Self-adhesive tape GPL is a reliable solution to the problems associated with heat, hydro, vapor barrier of assembly seams, joints, joints and junctions in various building structures- window and door blocks, metal products, concrete, wood, plastic, etc.

The vapor barrier layer of the material creates reliable waterproofing, thereby preventing the occurrence of spores, fungi and mold, which significantly extends the life of the structure.

Heat losses are significantly reduced, energy costs are significantly reduced.

The adhesive layer simplifies the fastening of the tape, making installation simple and easy, while ensuring secure fastening tapes on all kinds of building materials.

GPL - Self-adhesive hydro-steam and heat-insulating foil tape (vapor barrier).

Surfaces to be treated must be clean, dry and free of grease. The tape is unwound from the roller (width 90,120,150,200 mm) and cut into pieces of the required size.

Remove the protective film and, without pulling along the length, stick the tape on the surface to be treated. Press the tape tightly with your hands or smooth it with a roller, avoiding the formation of air bubbles.

Supplied in boxes 420x420x600 mm.
The recommended mounting temperature is not lower than +10°C.

Self-adhesive heat, hydro, vapor barrier tapes GPL - consist of polyethylene foam laminated on one side with a metallized polypropylene film, on the other side a layer of special waterproof glue is applied, which allows you to securely fix the material on metal, brick, concrete, wood, plastic and other structures .

In addition, polypropylene film is a good vapor barrier.

Adhesive layer - a special waterproof synthetic rubber adhesive with increased adhesion to various materials, which allows the use of tapes without prior surface preparation.

Material dimensions

• Polypropylene film thickness (µm) – 20
• Thickness of NPE-Gazovka (mm) - 2
• Length (m) - 15
• Width (mm) - 90 / 120/150/200

Material characteristics

Thermal reflection coefficient, not less than - 95%
Thermal conductivity coefficient, at 20°С, not more than — 0.038 — 0.051 W/m °С
Heat absorption coefficient for a period of 24 hours, S - 0.48 W / (m2 ° С)
Specific heat capacity - 1.95 kJ / kg ° С
Thermal resistance, per 1 mm of thickness, m2 - 0.031 ° C / W
Vapor permeability - 0 mg / (m h Pa)
Dynamic modulus of elasticity (under load 2-5 kPa) - 0.26-0.6 MPa
Sound absorption, not less than - 32 dB
Smoke generating ability - D3
Combustibility group - G2

source: www.profband.ru

For internal sealing of the assembly seam, the following is used:

a) vapor barrier tape (duplicated) based on aluminum foil, laminated with a non-woven fabric, allows you to protect the assembly seam from the inside from moisture and prevents it from escaping from the seam to the surface of the internal slopes.

For easy and secure fixation, the tape has two adhesive strips of glue and butyl, located on two different sides. It is recommended to apply along the entire perimeter of the window for the subsequent finishing of slopes in a dry way.

b) vapor-tight doubled sealing tape is made of a non-woven fabric coated with a self-adhesive plastoelastic mass based on high-tack butyl rubber.

The peculiarity of butyl rubber tapes is that they are quite big weight. And, if we compare butyl rubber and reinforced foil tapes with the same width of 120 mm, it turns out that reinforced foil tape is almost 5 times lighter than butyl rubber tape.

The low weight of the tapes makes them easier to work with during installation, and also significantly reduces transportation costs when transporting tapes over long distances.

However, tapes based on reinforced foil with adhesive strips have adhesion only to a well-cleaned and degreased surface of the inner slope, while butyl rubber tapes have a tighter abutment and better adhesion to the wall opening.

To install the internal vapor barrier sealing tape, proceed as follows:

1. Cut the tape into pieces with a length equal to the width and length of the window +10 cm (for the formation corner connections). Docking of tapes along the length is allowed "overlapping", not less than ½ of the tape width.
2. Remove the protective paper from the vapor barrier tape from the side of the duplicated strip and glue it to the frame profile from the outside.
3. The tape is fastened by means of a self-adhesive duplicated mounting strip in a taut state (tightly, without folds or swelling) to the outer surface of the box from the inside vertically and horizontally to the ceiling. The inner edge of the adhesive layer must match the inner edge of the frame. The tape protecting the butyl rubber layer is not removed at this stage of installation.

The adhesive strip has a sufficiently high resistance to low temperatures without loss of adhesive properties.

Lack of adhesion can occur if the acrylic adhesive strip is kept in the cold for a long time with the release paper removed.

Also, the adhesion of the adhesive strip is reduced when working with cold window blocks, since when the worker breathes, steam (moisture) is released, which partially condenses on the surface of the cold window block, which also reduces the adhesion of adhesive strips.

To prevent this defect, it is recommended to keep the adhesive layers with the release paper removed to a minimum. possible time and also wipe the surface of the window block with a dry cloth or paper napkin immediately before gluing tapes to it.

source: www.wikipro.ru

Question: How to properly apply vapor barrier tape for pvc windows and at what temperature?

Answer: The installation of vapor barrier tapes on plastic windows is carried out as usual in those rooms where high humidity air-kitchen, bath, swimming pool.

The tape allows you to protect the installation seam from moisture and steam emanating from the room and thus prevent condensate from escaping to window slopes. Vapor barrier tapes are produced with one and two adhesive strips.

Tape with two adhesive strips is very convenient to attach to the window and to the slope. Vapor barrier tapes are divided into summer and winter, depending on the weather conditions in the room.

Summer tapes can be used at air temperatures from +5 to +35C, and winter ones at air temperatures below 0 degrees. The window tape should be chosen so wide that it is 45 millimeters wider than the width of the mounting joint. This will allow you to provide a reliable vapor barrier for the installation seams of your windows.

The very technology of installing windows and applying vapor barrier tape is as follows. We clean the opening from dirt and dust, install window frame and without fixing it, we mark on the walls of the opening and on the window frame the fastening line of the vapor barrier tape.

We remove the frame from the opening and glue the vapor barrier tape on it, do not remove the protective strip on the part that will be glued to the wall!

Useful advice!

We install the vapor barrier tape on a PVC window with one piece of tape, without breaks!

Now you can assemble the window with sashes and install it thoroughly in its place. We install the vapor barrier tape on the window sill as a last resort.

source: blogstroiki.ru

Window mounting materials

It is used when installing window blocks to create a ventilated mounting seam.

Corresponds to GOST 30971-2002 "Mounting seams for adjoining window blocks to wall openings."

Ensures the reliability and durability of the assembly seam. The material is a self-adhesive polyurethane foam tape impregnated special composition. The tape is delivered in a compressed state, twisted into rollers.

A wide range of tape sealant sizes allows you to choose the material to protect joints of almost any size.

The use of PSUL tapes. Scope of tapes — a universal multifunctional tape. The tape is used to protect movable and fixed joints from water, noise, cold, dust penetration and other adverse factors.

Typical application examples:

• Sealing joints and moving seams of panels, blocks and small pieces wall materials on the facades of buildings;
• Sealing gaps between windows and door frame and an opening in the wall;
• Sealing gaps between translucent structures adjoining walls of buildings;
• Sealing joints between sections of prefabricated structures.

BC tape is designed for finishing internal slopes window openings dry method (drywall, plastic, sandwich panels).

Tape BC is a vapor barrier tape used to organize a ventilated assembly seam.

Tape BC prevents condensation on the surface of internal slopes and protects the mounting foam from moisture from the room.

The tape has an adhesive layer across the entire width of the tape attachment, protected by an anti-adhesive film. The tape is supplied in rollers 50 meters long running in different widths.

The BC+ tape is designed for finishing the internal slopes of window openings using the dry method (drywall, plastic, sandwich panels).

Tape BC+ is a vapor barrier tape used for arranging a ventilated mounting joint.

The BC+ tape prevents condensation on the surface of internal slopes and protects the mounting foam from moisture from the room.

The tape has an adhesive layer across the entire width of the tape attachment, protected by an anti-adhesion film, on the one hand, and an adhesive strip, on the other side, for ease of installation.

VM tape is intended for finishing the internal slopes of window openings with subsequent application of plaster.

Tape VM is a vapor barrier tape used to organize a ventilated assembly seam.

Tape ВМ prevents condensation on the surface of internal slopes and protects the mounting foam from moisture from the side of the room.

The tape has an adhesive layer across the entire width of the tape attachment, protected by release paper. The tape is supplied in rollers 25 meters long running in different widths.

VM+ tape.

Tape ВМ+ is intended for finishing the internal slopes of window openings with subsequent application of plaster.

Tape ВМ+ is a vapor barrier tape used for organizing a ventilated mounting joint.

Tape BM+ prevents condensation on the surface of internal slopes and protects the mounting foam from moisture from the room.

The tape has an adhesive layer across the entire width of the tape fastening, protected by release paper, on the one hand, and an adhesive strip, for ease of installation, on the other side.

The tape is supplied in rollers 25 meters long running in different widths.

The base is polyethylene foam with high thermal insulation properties. Due to the closed cell structure, polyethylene foam has an extremely low hygroscopicity, i.e. practically does not absorb moisture.

Polyethylene foam gives the tape elasticity, which is necessary for sealing joints with various irregularities. The outer layer is a metallized polypropylene film.

Polypropylene film has a high mechanical strength and resistance to alkalis, acids and organic solvents, thanks to this, the reflective layer is reliably protected from oxidation and mechanical damage.

To prevent sticking of layers in a roll, the sticky layer is protected by a siliconized film.

Application: heat, hydro, vapor barrier of mounting joints and joints in various building structures - window and door blocks, metal products, concrete, wood, plastic, etc.

Self-adhesive heat, hydro, vapor barrier tapes consist of foamed polyethylene laminated on one side with a metallized polypropylene film, on the other side a layer of special glue is applied, which makes it possible to securely fix the material on metal, brick, concrete, wooden, plastic and other structures.

An additional adhesive strip is applied on the side of the film for ease of installation. The base is polyethylene foam with high thermal insulation properties.

Due to the closed cell structure, polyethylene foam has an extremely low hygroscopicity, i.e. practically does not absorb moisture. Polyethylene foam gives the tape elasticity, which is necessary for sealing joints with various irregularities. The outer layer is a metallized polypropylene film.

Polypropylene film has high mechanical strength and resistance to alkalis, acids and organic solvents, due to this, the reflective layer is reliably protected from oxidation and mechanical damage.

Application: heat, hydro, vapor barrier of mounting joints and joints in various building structures - window and door blocks, metal products, concrete, wood, plastic, etc.

Waterproofing tape for PVC windows, as well as other materials for installation, are used relatively rarely: their use increases the cost of work, since a set of high-quality mounting tapes for installing one design costs about 15 - 25% of the cost of the entire window.

And yet, if you plan to glaze the house "for yourself", use modern materials not only possible, but necessary. That is why I decided to write a short review on mounting tapes, their purpose and proper use.

Purpose of mounting tapes

If approached from a formal point of view, then use special vapor-permeable and vapor barrier materials for installation PVC designs necessary in the first place according to the requirements of industry standards. The use of tapes is regulated by the following documents:

• GOST R 53338-2009 "Vapour-permeable self-expanding self-adhesive construction tapes";
• GOST 30971-2012 “Mounting seams of adjoining window blocks to wall openings. General technical conditions”;
• GOST R 52749-2007 "Mounting window seams with vapor-permeable self-expanding tapes".

That is, the installation of windows in accordance with GOST without the use of tapes is impossible in principle. But there is also rational explanations the need for such materials. Some of them are set out in the already mentioned GOSTs, and some can be formulated based on many years of experience in the installation, repair and operation of translucent structures:

1. To seal the joint between the window and the window opening, a self-expanding mounting foam based on liquid polyurethane is used. Despite the presence of a number of objective advantages, the foam also has disadvantages - first of all, it is vulnerability to ultraviolet radiation.
2. To protect the foam from UV radiation, a self-adhesive tape is used that covers the assembly seam from the outside.

1. The next aspect that justifies the need to use special tapes for mounting is ventilation, or rather, the removal of liquid. When operating a window without additional protection, which is formed in the room, is partially collected inside the installation seam, reducing the efficiency of heat saving. To avoid this, a vapor barrier material can be used to seal it from the inside of the room.
2. However, it is important not only to protect the foam from moisture ingress, but also to ensure the unhindered exit of water vapor outside the assembly seam. To do this, only a vapor-permeable tape is used for exterior decoration, which guarantees normal diffusion of moist air. .

The question of whether it is necessary to glue a vapor barrier tape or use a vapor-permeable material is largely debatable. On the one hand, the effectiveness of these materials is indeed quite high, so using them in the installation will clearly affect the functionality of the window in the best possible way.

On the other hand, the price of mounting tapes is also rather big, therefore, to save money, you can choose other methods: from the inside, for example, install a slope made of plastic (in principle, it provides good hydro and vapor barrier), and from the outside - finish the mounting seam with vapor-permeable plaster, followed by painting .

And yet I repeat: the use of special tapes when installing a window structure in an opening is fully justified both in terms of standards and in terms of optimizing the indoor climate.

Varieties of materials

Type 1. Hydro vapor barrier tape

For PVC mounting Windows use a variety of tapes. Each type of such material has its own characteristics and advantages, therefore, in order to achieve the maximum effect, materials should be combined, combining their functional advantages in the best possible way.

I’ll start my review of the materials used when installing windows, with the most popular - with a vapor barrier tape:

1. Self-adhesive hydro-vapor barrier mounting tape (HPL) is a tape material that covers the mounting gap from the side of the room.
2. The basis of the tape is polyethylene or foam polyethylene film. On one side, the plank is laminated with a thin layer of aluminum foil, and on the other side, one or two strips of adhesive are applied for installation.
3. The adhesive mixture used for application provides good adhesion to most materials - wood, concrete, brick, etc. Problems can arise when trying to paste over an opening made of gas or foam concrete, therefore, before buying mounting material I recommend consulting with the seller or carefully studying what the manufacturer's instructions say about this .
4. The structure of the tape provides almost complete tightness of the finished assembly seam: neither the place of gluing nor the polyethylene strip itself allows air and water vapor to pass through.

1. The polymer structure provides the product with additional advantages: finishing material is not afraid of not only moisture, but also the effects of acids, alkalis, and other chemical active substances and also does not degrade under the influence of ultraviolet radiation.

Type 2. Insulated waterproofing tape

The insulated tape is, in fact, a modification of the usual waterproofing material. Its key features include:

• increased thickness of the base, which is made exclusively from polyethylene foam;
• a denser foil layer based on a durable polypropylene film.

Thanks to these design features:

1. The product is no worse than preventing the diffusion of liquid and water vapor and the penetration of moisture into middle part assembly seam. This ensures the most effective hydro and vapor barrier.
2. The increased thickness of the base and its porous structure help to reduce heat loss. Foamed polyethylene acts as a window insulation.
3. Finally, the foil coating also plays an important role. A thin layer of metal on an elastic base reflects infrared radiation, acting as a "thermal mirror". However, most of the heat generated heating appliances, returns to the room.

The disadvantages of such products, I would include their rather large dimensions: finishing the mounting gap with insulated tapes requires subsequent masking of the junction using slopes, which is not always included in our plans.

Type 3. Pre-Compressed Tape (PSUL)

Another versatile material- PSUL (pre-compressed sealing tape). This material is used to ensure self-ventilation of the assembly seam:

1. The tape is a strip of porous polyurethane foam impregnated with a special composition. On the one hand, the strip is equipped adhesive layer protected by a special protective coating.
2. The product is supplied in a rolled form (rolls or bobbins). It is necessary to unwind the material immediately before installation, since over time the product loses its properties.
3. During installation protective covering removed and PSUL glued to the window structure. After that, the impregnation reacts with air, due to which the linear dimensions of the product increase. The tape expands and completely covers the mounting gap.

Full and high-quality overlap is possible only if the nominal size of the product specified by the manufacturer corresponds to the dimensions of the gap. So, for example, if I need to close a 35 mm gap with my own hands, then for work I take a PSUL with a width of about 40 mm.

1. After expansion, the material becomes completely vapor-permeable. Due to this, an unhindered exit of water from the assembly seam is ensured.

Type 4. Internal tapes

In addition to the varieties mentioned above, interior decoration slopes are used and other products. Their main features are conveniently analyzed according to the table, which I will give below:

Other types of mounting tapes

In addition to the products described above, other types of tapes are used for the installation of translucent structures:

1. Diffusion tape for outdoor decoration. It is used in combination with PSUL or with mounting foam. Provides protection of the assembly seam from moisture and ultraviolet radiation while maintaining vapor permeability. Finishing the junction with diffuse material allows you to maintain the natural level of ventilation: air will freely escape from the middle part of the mounting gap.

1. Butyl rubber mounting tape under the window sill. As the name suggests, it is used to seal the junction under the window sill and protect the insulation from blowing, moisture and heat loss. Like other materials from this category, installation is carried out using a self-adhesive layer.
2. Non-woven material for installation under the tide. Possesses high rates vapor permeability, glued to the foundation of the opening under the drainage strip. In addition to providing ventilation, it significantly reduces the noise of galvanized metal ebbs, acting as a shock absorber and extinguishing some of the loud sounds.
3. Adhesive tape is a versatile material that is used for mounting lightweight structures. For example, self-adhesive reflective film is popular, and a mosquito net with a fastening tape is also very convenient to use.

How to use correctly?

The technology of using installation years when installing PVC profile windows is quite simple. I am using the following algorithm:

1. First, I prepare the opening: I remove the old structure, level the walls, remove dust and dry all surfaces. It is desirable that the edges of the opening be more or less even, therefore, before installing the window, it may be necessary to refine them using a rapidly hardening mortar.
2. Then I perform cutting of hydro-vapor barrier tapes, PSUL and diffuse material. I cut the products along the length of each side of the window with an overlap of at least 10 cm (these sections are used to form the corner joint).

1. I stick the tapes on the window frame, removing the protective film from one of the adhesive strips. I glue PSUL in a compressed state on the front surface of the structure from the outside.

It is desirable that the PSUL is completely hidden behind the wall railing, therefore, before gluing, I usually try on the window to the opening, making marks at the installation site.

1. I install the structure in the opening and fix it in the chosen way - either with the help of anchors or with the help of mounting plates.

1. All gaps are filled with mounting foam made of self-expanding polyurethane.
2. I remove the protective strips from the inner and outer tape and glue their edges to the opening, completely covering the foam.
3. If the installation is carried out in winter, I use specialized materials with glue that retains adhesiveness at low temperatures.

1. Before installation additional elements I separately glue to the support profile or the lower part of the frame a material that protects the space under the window sill and under the drainage strip.
2. Under the ebb itself, I glue a PSUL strip on a horizontal surface: it acts as a shock absorber, and therefore metal visor will not rattle with gusts of wind and falling raindrops on it.

Cost of materials

As I noted at the very beginning, high price mounting tapes partially limits their distribution. But at the same time, if you know exactly what you need, there is a chance to meet the budget allotted for glazing.

Conclusion

Both vapor permeable and vapor barrier tape for plastic windows may not be included in the required set of parts for successful installation. But their use allows you to fully comply with the requirements of GOST. And also to ensure the formation of a favorable microclimate in the room - primarily due to the normalization of the assembly seam.

The video in this article will help you master the technology of using such details, and when choosing a product, you can consult with me and other experts by asking questions in the comments.

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