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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 was able to witness disputes about the need to use vapor barrier tape.

One forum member, foaming at the mouth, argued that it was not needed and this was a good advertising ploy for one of the Western companies, another explained why it would be bad without it.

If you don’t yet know what a vapor barrier tape is, then this topic is just for you.

Welcome!

Vapor barrier tapes for windows, like good finish slopes and installation seams will ensure decent window performance. In order for the window in your home to function well and for a long time, you should not miss such a moment as installing a vapor barrier tape.

The use of sealed tapes to isolate the assembly seam from vapors and moisture in the adjacent room prevents condensation from escaping onto the slopes.

If you have a kitchen, a room with a swimming pool or a bathhouse, then installing vapor barrier tape on your windows is a must.

Types of vapor barrier tape

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

Vapor barrier tapes are also classified according to weather periods:

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

The width of the tape also varies depending on needs, which allows you to ensure reliable vapor barrier seams of various sizes. When choosing vapor barrier tapes, keep in mind that its width should be about 45 mm greater than the width of the installation seam.

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

Vapor barrier tape can be butyl rubber, for sealing interpanel joints or for installing door or window blocks.

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

To protect against high humidity of the installation seam 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 internal and outer surface opening and frame. The frame is inserted into the opening and is temporarily not secured.
• Then gently mark a line on the frame for attaching the vapor barrier tape.
• After carrying out the calculations and marking 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 will subsequently attach to the walls.

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

Helpful advice!

Therefore, before finishing, dampening and filling with foam, you can remove the protective paper strips from the vapor barrier tapes.

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

• External thermal insulation tapes can be glued no earlier than the polyurethane foam has been completely polymerized.
• Installing a vapor barrier tape under the window sill can be done last. When installing a vapor barrier tape under a plaster layer, the tape must have an outer coating, which will ensure the necessary adhesion to this plaster layer.

If there is a window quarter with gaps between the frame and the wall, another technique is used: the uneven joint can be covered with a window strip, and a vapor barrier tape can be applied to it.

Installation of 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 heat-insulating foil tape (vapor barrier)

Self-adhesive GPL tape is a reliable solution to problems associated with heat, hydro, and vapor barrier of assembly seams, joints, joints and junctions in various building structures– window and door blocks, products made of metal, 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 and energy costs are significantly reduced.

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

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

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

Remove the protective film and, without stretching it lengthwise, stick the tape onto 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.
Recommended installation temperature is not lower than +10°C.

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

In addition, polypropylene film is a good vapor barrier.

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

Material Dimensions

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

Material characteristics

Thermal reflection coefficient, no less than 95%
Thermal conductivity coefficient, at 20°C, no more than - 0.038 - 0.051 W/m °C
Heat absorption coefficient for a period of 24 hours, S - 0.48 W/(m2 °C)
Specific heat capacity - 1.95 kJ/kg °C
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, no less - 32 dB
Smoke generating ability - D3
Flammability 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 non-woven fabric, allows you to protect the installation seam from the inside from moisture and prevents it from escaping from the seam to the surface internal slopes.

For easy and reliable fixation, the tape contains two adhesive strips of glue and butyl, located on two different sides. It is recommended to use it around the entire perimeter of the window for subsequent finishing of slopes using a dry method.

b) the vapor-tight sealing tape is made of non-woven fabric coated with a self-adhesive plastic-elastic mass based on butyl rubber with a high degree of adhesiveness.

The peculiarity of butyl rubber tapes is their fairly heavy weight. And, if you 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 it easier to work with them 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 internal slope, while butyl rubber tapes have a tighter fit and better adhesion to the wall opening.

To install the internal vapor barrier sealing tape, you must do the following:

1. Cut the tape into pieces equal to the width and length of the window +10 cm (to form corner connections). Joining of tapes along the length is allowed “overlapping”, at least ½ of the width of the tape.
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 attached using a self-adhesive duplicated mounting strip in a taut state (tightly, without folds or bulges) to the outer surface of the box with inside vertically and horizontally across the ceiling. The inner edge of the adhesive layer must coincide with 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 fairly high resistance to low temperatures without loss of adhesive properties.

Lack of adhesion may occur if the acrylic adhesive strip long time kept in the cold with the release paper removed.

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

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

source: www.wikipro.ru

Question: How to properly use vapor barrier tape for PVC windows and at what temperature?

Answer: Installation of vapor barrier tapes on plastic windows produced as usual in those rooms where there is high air humidity - kitchen, bathhouse, swimming pool.

The tape allows you to protect the installation seam from moisture and steam emanating from the room and thus does not allow condensation to escape into the window slopes. Vapor barrier tapes are produced with one or two adhesive strips.

The 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 tapes at air temperatures below 0 degrees. You need to choose a tape for windows of such a width that it is 45 millimeters wider than the width of the mounting seam. This will allow you to ensure reliable vapor barrier at the installation seams of your windows.

The technology for installing windows and using vapor barrier tape is as follows. We clean the opening from dirt and dust, install the window frame and, without securing it, mark it on the walls of the opening and on window frame vapor barrier tape attachment lines.

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

Helpful advice!

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

Now you can assemble the window with sashes and install them completely in their place. We install the vapor barrier tape on the window sill last.

source: blogstroiki.ru

Materials for window installation

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

Corresponds to GOST 30971-2002 “Installation seams of joints connecting window blocks to wall openings.”

Ensures reliability and durability of the assembly seam. The material is a self-adhesive polyurethane foam tape impregnated with special composition. The tape is supplied compressed and rolled into rollers.

A wide range of standard sizes of tape sealant allows you to select a material to protect seams of almost any size.

Application of PSUL tapes. The scope of application of the tapes is universal multifunctional tape. The tape is used to protect moving and fixed joints from water, noise, cold, dust penetration and other unfavorable factors.

Typical application examples:

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

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

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

BC tape prevents condensation from falling on the surface of internal slopes and protects polyurethane foam from moisture from the room.

The tape has an adhesive layer covering the entire width of the tape, protected by an anti-adhesive film. The tape is supplied in rollers 50 linear meters long and of various widths.

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

BC+ tape is a vapor barrier tape used to create a ventilated assembly seam.

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

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

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

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

VM tape prevents condensation from forming on the surface of internal slopes and protects the mounting foam from moisture from the room side.

The tape has an adhesive layer covering the entire width of the tape, protected by anti-adhesive paper. The tape is supplied in rollers 25 linear meters long and of various widths.

VM+ tape.

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

VM+ tape is a vapor barrier tape used to create a ventilated assembly seam.

VM+ tape prevents condensation from forming on the surface of internal slopes and protects the mounting foam from moisture from the room side.

The tape has an adhesive layer covering the entire width of the tape, protected with anti-adhesive paper, on one side and an adhesive strip, for ease of installation, on the other side.

The tape is supplied in rollers 25 linear meters long and of various widths.

The base is foamed polyethylene, which has high thermal insulation properties. Due to the closed cellular structure, polyethylene foam has extremely low hydroscopicity, i.e. practically does not absorb moisture.

Polyethylene foam gives the tape elasticity, which is necessary for sealing seams 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, thanks to this, the reflective layer is reliably protected from oxidation and mechanical damage.

To prevent the layers in the roll from sticking together, the sticky layer is protected with a siliconized film.

Application: heat, hydro, vapor barrier of assembly seams 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 allows the material to be securely fastened to metal, brick, concrete, wood, plastic and other structures.

An additional adhesive strip is applied on the film side for ease of installation. The base is foamed polyethylene, which has high thermal insulation properties.

Due to the closed cellular structure, polyethylene foam has extremely low hydroscopicity, i.e. practically does not absorb moisture. Polyethylene foam gives the tape elasticity, which is necessary for sealing seams 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, thanks to this, the reflective layer is reliably protected from oxidation and mechanical damage.

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

Any window needs additional sealing. This is especially important if street noise has increased, a draft has appeared, and heat is lost in winter. It is best to do insulation in warm weather. Many methods are used for this, including replacing the window. Fortunately, there are Construction Materials that successfully solve this problem. This material is considered to be insulation tape.

About insulation

The microclimate of the room depends on the windows. Due to uninsulated windows, the glass fogs up, cracks and fungus appear on the slopes, and there is always a draft and street noise. To effectively insulate windows, it is necessary to determine the reasons for low thermal insulation.

Most often they are as follows:

1. Wooden windows

First of all, insulation is required for old window structures for the following reasons:

• Previously, glass was secured to the frame with special putty. Over time, it dries out and becomes stained;

• the frames dry out, so cracks and gaps appear between the glazing bead and the glass;

• the sashes are deformed and are not held tightly to the frame.

1. Plastic windows

It is mistakenly believed that such windows are quite airtight and therefore do not need insulation. Unfortunately, after a few years the seal collapses, and insulation is indispensable.

There are other reasons why it is necessary to deal with plastic windows:

• violation of window installation technology;

• distortion of the window structure due to shrinkage of the house;

• factory defect of window design;

• mechanical damage to structural elements.

Types of insulating tapes

The widespread use of tapes for insulating windows is explained by a number of reasons:

• no annual replacement required;

• insulation is carried out in a short time on your own;

• there is no dirt when pasting, since no water is used;

• no traces of adhesive remain on the frame;

• there is no diffusion of the adhesive layer with the frame paint.

But this method of insulation also has disadvantages:

• after gluing, you cannot open the window sashes;

• poor-quality or poorly glued tape lags behind the frame in small areas.

IN construction stores They offer two types of tapes, which differ in the installation method.

1. Pasting

This type of tape has a wide grip. The adhesive composition is applied during manufacturing (self-adhesive type) or during installation work.

To create self-adhesive tape, polyvinyl chloride, rubber and polyethylene foam (foam rubber) are used.

Due to the plasticity of these materials, the tape is easily compressed to the size of the gap. To ensure that the insulation does not stand out against the background of the window, dyes are added: black, brown, white.

Typically the packaging will indicate the size of the gap that the tape will cover. Popular options with sizes 3 - 7 mm.

The first to be used foam tapes. Their popularity is explained by a number of advantages:

• high compression ratio;

• the frame does not collapse in places of insulation;

• low cost;

• high protection efficiency.

Such tapes have negative qualities:

• insufficient efficiency for large gaps;

• short service life. Effective during one winter season;

• in cheap models, the adhesive tape does not stick well;

• low resistance to water.

Important!

It is more convenient to use self-adhesive tapes on foam rubber for insulation.

They stay on the window longer and regulate the degree of pressing of the sashes.

1. Sealing

Tapes of this type have a hollow tubular shape, which is why heat is retained. The materials chosen are rubber and polyvinyl chloride.

On one side of the tape there is a groove hook or adhesive coating with paper protection.

It is believed that the groove is more resistant to mechanical stress.

The following qualities are considered advantages:

• gaps up to 0.7 cm are blocked;

• withstands any temperature changes;

• It is possible to choose a color to match the color of the frame;

• the use of the window is not limited;

• affordable price.

But most of the disadvantages relate to adhesive tapes:

• not suitable for all window designs;

• when temperature changes, the adhesive layer is destroyed;

• with frequent deformations, peeling occurs in the glued places;

• The foam tape quickly gets wet and dust sticks to it. For this reason, frequent replacements are carried out.

Tubular seals are checked annually. If necessary, individual fragments are replaced.

As a rule, a tape is selected based on three indicators.

By material

Main advantages:

• low cost;

• high elasticity, allowing you to close gaps of different sizes.

There are also disadvantages:

• Due to the porous structure, moisture is quickly absorbed. The drying process takes a very long time;

• low durability. With prolonged use, the material turns yellow and crumbles.

Unfortunately, such tapes are rarely used for window insulation, as they increase the cost of window construction by up to 15%.

1. Rubber― used for the manufacture of two types of tapes: self-adhesive and sealing.

Self-adhesive tapes are made on the basis of synthetic rubber and have all of its positive traits: elasticity and resistance to temperature fluctuations.

Rubber seals are not afraid of aggressive environments, so they last a very long time.

1. Polyurethane foam (PPE)― porous material made of foamed polyethylene.

Due to their high elasticity, the tapes are very effective for small gaps. Good insulating qualities. Due to the presence of air in the structure, a thermal insulating environment is created.

Its use is limited to its ability to high temperature turn into a liquid toxic state.

By manufacturer

In construction stores you can find tapes from different manufacturers.

However, only materials from the following brands are in demand:

• Russia - Profitrast, Economy, Zubr.

• Germany - KIMTEC, Deventer.

• Poland - Sanok.

Domestic manufacturers, as a rule, work using European technologies and produce quality material no worse than foreign models. At the same time, German and Polish ribbons, although more expensive, last longer.

By cost

Insulating tapes are sold retail and in coils from 6 to 10 meters.

Since a standard window requires about 5 meters of self-adhesive insulation, purchases are most often made at retail.

The price range is very wide.

Behind linear meter for Russian material you need to pay up to 15 rubles, and the most expensive German rubber insulation will cost 50 rubles.

Features of preparing windows for insulation

Preparing a window for insulation with tape is almost no different from preparation for other insulation materials. At the same time, there are some peculiarities.

The main stages are as follows:

1. Everything is removed from the windowsill. The blinds are removed from the window.

1. The frames are washed with soapy water and then dried. The tape requires a dry and grease-free surface.

1. The glass is carefully inspected. U wooden windows glass may have cracks. They must be replaced as they are a source of heat loss.

1. Grooves are prepared for the sealing tape. Shouldn't stay in them old tape, dirt and paint.

1. Before starting work, they determine the places from which it comes cold air from the street. They are insulated first. Weak points are the sashes, slopes, and window sills.

Insulation with adhesive tape

The insulation technology is not very complicated. First of all, it is necessary to follow the sequence of work.

1. Plastic windows

Insulation is carried out in the following sequence:

• pre-removed old insulation is used, firstly, to purchase similar material, secondly, for preliminary cutting to size of old material.

• gluing begins from the top of the window. As you progress, it is removed in small sections protective layer, and the tape is pressed tightly.

More details in our video:

Important!

1. The pasted tape should not have many tears.

2. In the corners the tape is not cut, but wrapped.

1. Wooden windows

For these windows, in addition to adhesive tape, thin foam rubber is often used. The work is performed in the following sequence:

• strips of foam rubber are cut along the window opening;

• cut foam rubber is placed between the frames;

• The tape is cut to the size of the window;

• The tape is applied with a sticky layer to the foam rubber and smoothed with a napkin.

This insulation will last up to three years. But it’s better to do it as shown in the video:

Insulation with sealing tape

1. Plastic windows

Typically, plastic windows lose heat for two reasons:

• breakdown of fittings;
• seal wear.

Correct installation of the tape increases the insulating ability of the window. The following sequence of work is recommended:

• before installation, the tape is kept at a positive temperature, since this affects its expansion inside the groove;

• The tape is cut to fit the window. The joints are cut at right angles. For thermal expansion, a reserve is created: for every meter 1 centimeter of material;

• The tape is pressed into the groove with a spatula, and the adhesive strips are removed in small sections.

Important!

1. In the corners of the frame, the tape is connected only end-to-end.

2. To prevent impregnation from leaking out, the tape is not compressed more than the permissible value.

After installing the sealing tape, it is adjusted locking mechanism: the pressure is changed by trunnions, which are located at the end of the sash.

Adjustment is made with a hex wrench. The pressure increases when the trunnion head is installed in a horizontal position.

1. Wooden windows

The Swedish method of insulating such windows using EuroStrip technology is in great demand. It has the following advantages:

• there is no need for annual window insulation;

• after ventilation, the tightness of the windows is not compromised;

• frame service life increases;

• high degree of protection from dust and street noise.

For insulation, two types of tapes are used: rubber and silicone.

By the way, branded Swedish silicone seals are easily inserted into the groove and last up to 20 years.

Installation is performed in the following sequence:

• the sashes are removed from their hinges and inspected. Rotten areas are identified and then restored;

So, both types of window insulation tapes deserve attention. Which one is better depends on the condition of the window.

If you choose the right one, the insulation will quickly pay for itself, and the apartment will always be warm and cozy.

Joints and seams of any structure are the most vulnerabilities. The same can be said about windows installed in a window opening. It is the installation seam that will be the weakest point in the entire structure. Through a poorly laid seam, heat can escape, moisture and extraneous sounds from the street can penetrate, and finally, condensation, which forms when the temperature differs, will accumulate inside the insulation and deteriorate its characteristics, leading to destruction. The description of the characteristics of the assembly seam and the technology of its installation is given special attention in GOST. At the moment, GOST 30971-2012 is in force.

Features of the technology. Why do you need a vapor barrier tape?

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

1. The middle layer - the main one - provides heat and sound insulation due to its porous structure.
2. The outer layer protects from moisture coming from the street (it removes it) and from UV rays.
3. The inner layer is a vapor barrier. Essentially, it traps heat in the house and prevents steam from accumulating in internal space premises, penetrate into the insulating layer.

Thus, compliance with the seam construction technology is necessary to prevent moisture penetration, condensation formation, and improve heat and sound insulation 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 barriers for windows

To install a PVC window, vapor barrier tape in a wide variety of varieties and diffusion vapor-permeable tape are used.

Tapes can have one or two adhesive surfaces. The first ones are installed on the frame itself, the second ones can be installed in window opening, gluing them both to the wall and to window profile. The range is divided into winter and summer options. Summer ones are intended 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 It is necessary to warm up the surface of the window opening.

The tape should be approximately 5 cm larger than the width of the mounting seam.

Based on the material used, there are two types of tapes:

1. Butyl rubber tape with a reinforcing layer of non-woven fabric, designed for sealing joints.
2. Metallized tape, intended for installation in damp rooms.

Types of tapes

The functionality of the tapes is different, therefore, when installing windows, different varieties are used depending on the purposes at each specific stage. A review of the tapes should be carried out.

Installation procedure for vapor barrier tape

The vapor barrier tape is installed after completing 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 pre-installed window design. In the process, the future location of the PSUL vapor barrier tape is marked.
2. The window is removed from the window opening and a vapor barrier tape is glued to the frame with a distance of 5 mm 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 be used for fitting. The surface must be degreased and dust free.
3. Tape for slopes is glued to the side profiles and the top. leave an overlap of about 10 cm.
4. Install a window. Foam the seam.
5. The installation seam is covered from the outside with diffusion tape.
6. Before installing the ebb, PSUL is glued lengthwise to its lower surface.
7. A metallized vapor barrier tape is attached to the seam at the bottom of the window on the inside.
8. The tape on the window sill is glued last.

High-quality glazing requires serious consideration and is impossible without proper insulation of the gap between the opening and the window. Often, organizations that install translucent structures limit themselves 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 any complaints from the consumer throughout the entire service life of the window.

However, glazing with one level of sealing of 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 at the junction of the window and the opening both from the street side and from the room side. Such insulation is ensured using special mounting tapes.

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

Types of mounting tapes for windows

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

PSUL

Pre-compressed sealing tape is used primarily on the outside of translucent structures. Its main purpose is to ensure unimpeded drainage of moisture from the area where the hatch connects to the opening.

Essentially, this is a tape product made of elastic polyurethane foam (looks like foam rubber), usually gray or black. One side of the material is covered adhesive composition, isolated protective film. The tape is supplied twisted into compact reels or rolls (depending on the size), which need to be unwound only during the installation process, since the material loses its quality over time.

The main feature is the ability to fill joints as a result of expansion, which occurs as a result of contact with air. The tape seals the gap from moisture and external influences With outside, while simultaneously allowing excess liquid from the inside to evaporate.

Scope of application 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 moving units of building facades;
• Filling the outer seam between the slope and the frame during PVC installations windows

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

Water vapor barrier (GPL)

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

• Water vapor barrier mounting tape is designed to seal joints on the room side.
• As a basis self-adhesive material most often used polyethylene film. On one side the tape is equipped with a foil coating, and on the other - with an adhesive composition.
• The adhesive used provides reliable fixation on most surfaces (concrete, brick, cinder block, wood and others). The products of some brands have 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 prevents the penetration of moisture or air both through the tape itself and through the gluing points. This ensures the maximum possible tightness of the joint of the opening and, as a result, the structure as a whole.
• In addition to insulating from moisture, the tape does not deteriorate during prolonged contact with ultraviolet radiation and is not subject to destruction from exposure to aggressive environments (household acids, alkalis and other reagents).

GPL is used for waterproofing installation gaps that arise when installing window and door units, 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 decorating tiles). Provides protection from moisture entering the joint of the opening and reliable fixation of the finishing coating.
• VM+. A modified analogue of the previous product with similar properties. It has the best waterproofing qualities, which allows it to be used in rooms with high humidity(kitchens, showers).

VS (VS+) 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 using diffuse tape They isolate the area where the molding profile is attached, since PSUL cannot be glued to the place where it is fixed, but there are also frequent cases of use along the entire perimeter of the window block.

The structure of the diffuse tape prevents the penetration of moisture and cold air into the assembly joint; in addition, the material protects the polyurethane foam from exposure to solar ultraviolet radiation. In addition to its protective qualities, the tape has the property of allowing vapor formations to pass through from the inside of the joint between the frame and the slope, thus ensuring necessary ventilation this section of the structure.

Butyl rubber tape

Butyl rubber, used as the base of the tape, is a fairly elastic material with high adhesion to most surfaces. It is fixed equally firmly on stone, wood or plastic. It is also worth noting that it is environmentally friendly and almost completely harmless to the consumer. The main disadvantage is the flammability of butyl rubber, which requires compliance with appropriate standards for installation and subsequent operation.

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

Installation features

The tape is applied 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.

Let's consider the algorithm for using tape insulation using the example of gluing pre-compressed sealing tape (PSUL) and internal GPL-S with an additional strip of double-sided tape:

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