Cork backing for wallpaper for sound insulation. How to properly glue polyp backing to a wall under wallpaper. Video: Glue vinyl wallpaper on paper backing

The walls in the house should not only be beautifully finished, but also perform their function - reliable noise and heat insulation. So it’s not enough to choose beautiful wallpaper and think through the design of the room. First you need to prepare the walls themselves. This is done using a wallpaper backing. The use of such material will significantly improve living conditions in an apartment or house.

Functions

The substrate consists of several layers. In the middle, as a rule, there is foamed polyethylene, enclosed between layers of paper.

The wallpaper backing is a reliable insulator, which can be an important advantage in houses or apartments with cold walls.

Many multi-apartment “anthills”, both old and new, do not have good sound insulation. Residents hear other people's conversations, and not only in raised voices, but also music and harsh sounds from their neighbors. All this is unnerving and does not allow you to live in peace. Sound insulation is ensured by using a wallpaper backing. This material also allows you to overcome the problem of indoor humidity.

It is an excellent lining for any wallpaper. Using it, the outer decorative layer is easier to glue and it will look better on the walls.

Using a backing allows you to achieve maximum adherence of the finishing layer, even in problem areas such as corners and joints.

As a result, the finish will last longer and the problem of new repairs, as well as the material costs associated with it, will be postponed. Once upon a time, old newspapers were used as a backing. It was easier to glue wallpaper on them. Technology has come very far since then. Taking into account all the possibilities of modern substrates, their use cannot be considered a whim.

Types and composition

The buyer can choose from several varieties of this roll material:

Paper

The backing base consists of paper. Its use is especially useful in cases where it is problematic to get rid of traces of the old finish. It sticks to the wall surface better than wallpaper. Its disadvantage is that it does not hide obvious flaws in the wall. In addition, this particular substrate is not particularly strong.

Non-woven

Externally similar to non-woven wallpaper, just as durable and easy to glue. At the same time, it is an expensive substrate. Not everyone will decide to buy it.

Cork

It is created on the basis of technical cork, and not decorative, so it is cheaper than finishing material made from cork. Its great advantage is its excellent sound absorption, which is indispensable if the house has thin walls and everything can be heard. But it needs to be installed skillfully and using special glue.

Polyethylene

This is a sandwich in which there is foamed polyethylene between two layers of paper. This material perfectly masks imperfections on the wall surface, and thanks to the inner layer it acts as a sound and heat insulator. It turns out to be an improved version of polystyrene foam, which is traditionally used to ensure silence in the room.

Benefits of use

In addition to the sound and heat insulation function, this material has many advantageous characteristics. The advantages of its use lie in the fact that it is environmentally friendly and therefore applicable in any home. The surface of most substrates does not absorb liquid. Accordingly, condensation does not form on it, and it will be able to protect the house from fungus for decades.

This coating partially levels the base on which it is located. Small cracks and chips on the surface can be successfully hidden using this material.

Its properties do not change for at least twenty years. Some manufacturers give it a half-century guarantee. Therefore, having once spent money and time on the purchase and installation of such a substrate, you can make your life easier with subsequent repairs, when you have to change the wallpaper again and again. The soundproofing feature of this material will be especially noticeable where walls separate the interior space from the street and common corridors. Good thermal insulation in these cases will also demonstrate itself successfully.

How to glue correctly?

Practice shows that wallpaper backing adheres remarkably well to concrete, wood, plywood, and drywall. In order to firmly glue it to the surface, you need to prepare the walls themselves for this: tear off the old wallpaper, remove any remaining paint, level out the depressions and seal the cracks with putty or cement mortar. Then you need to prime the surface. PVA glue or some other similar composition will do for this.

The backing strips themselves must be prepared for sticking to the walls in advance. They cut very easily. They must be divided into sheets taking into account the height of the walls and these sheets must be allowed to align.

So that they have time to straighten out, it is better to carry out the cutting a day before the start of pasting the walls.

Smooth sheets of material are coated on the inside with PVA glue or glue that is used for heavy wallpaper or under polystyrene. If there is a high level of humidity in the room, use baguette glue or liquid nails. (This, of course, will be more expensive, but you can be sure of the quality of the repair).

Considering all this, you need to act so that the glue does not get on the joints. Otherwise, the pieces of the backing will stick together and the seam between them will be uneven. The canvases with the applied glue are left for five to ten minutes, and then they are glued to the walls joint to joint - just like most modern wallpaper. In this case, the wall must also be coated with the same glue before this. Note that if the outer layer of the backing is non-woven and not paper, then only the wall itself needs to be coated with glue.

To ensure maximum adhesion to the wall surface, use a rubber roller, with which you squeeze out all the air from under the substrate and carefully roll it along the wall.

The gaps between the canvases must be sealed with paper tape or paper tape. To ensure that the result does not disappoint, just as in the case of wallpapering, drafts should be avoided. Experienced people advise carrying out the work itself at temperatures above +10 degrees and humidity less than 70 percent. If the room is cold, the glue will not set, but if, on the contrary, it is too hot, it will dry very quickly, and you may not have time to fix the entire substrate on the wall. Some areas will not be glued. Taking these features into account, it is recommended not to undertake such repairs in the spring or autumn, when there is high humidity and strong temperature changes.

After the job is done, you need to wait two days and only after that start decorating the walls with wallpaper.

Offers from manufacturers

To choose the right backing for wallpaper, you need to keep in mind the experience of finishing professionals. The market offers wallpaper substrates of both foreign and domestic production. They can be found both in building materials stores and specialized wallpaper stores. Substrates from different brands may not be the same in thickness and material composition. So their cost sometimes varies greatly when compared.

“Ecohit”, “Penohome”, “Globex”, “Penolon”, “Polifom”- These are the most famous manufacturers of wallpaper substrates. Among all the brands under which such materials are produced, experts highlight domestically produced Penolon and Polifom. "Penolon" has good thermal insulation properties. This is achieved due to air cells in its structure. The thickness of the material is only 5 millimeters. Roll width – 50 centimeters. A total of 14 meters per roll. At its core, Penolon is a chemically cross-linked polymer.

There are several varieties of such polymers - non-cross-linked gas foam, physically and chemically cross-linked. The cheapest among all is non-cross-linked polyethylene. In terms of strength and thermal insulation capabilities, it is 25% worse than physically and chemically cross-linked polymers. The last two, despite the fact that their manufacturing technology is different, are very similar in their characteristics. "Penolon" is hygienic. It is light and elastic. Resistant to alkali, acid, alcohol and gasoline. Easily straightens before sticking. Has low vapor permeability. Suitable for leveling surfaces, suppresses noise, eliminates cold coming from the walls, allows you to properly glue wallpaper, and eliminates the effect of “crying” walls.

“Polif” (sometimes also called “Poliform”) has the same geometric parameters as “Penolon”. It is also 14 meters long with a canvas width of 50 centimeters and a thickness of 5 millimeters. This is an environmentally friendly material that does not absorb moisture and prevents the spread of fungus and mold. This is a reliable heat insulator.

When choosing a material experts advise paying attention to the color of the roll - it should be white or light gray. It also matters how firmly the paper layer is attached to the base. High-quality material is odorless and has a certain elasticity - after pressing with a finger, its surface should quickly return to its shape.

When choosing a backing for wallpaper, it is better to focus on the reviews of craftsmen who have already gained experience in handling such materials, know all their pros and cons and how to use them correctly.
You also need to keep in mind that before using such materials, if there is even the slightest hint of the presence of fungus, the wall surface must be treated with special chemicals. The underlay should not be used in baths and bathrooms.
In rooms where the humidity is quite high, it is preferable not to use paper backings, since the paper itself does not tolerate dampness well. In these cases, it is better to use products made from non-woven fabric or cork.

Wallpaper backing is one of those materials that, at first glance, it would seem, is not as noticeable as some others. However, their role in interior design is no less important than that of any decorative coating.

What is it used for?

The backing for Ecohit wallpaper, as well as its analogues made by other manufacturers, is usually made on the basis of a special material - polyethylene foam. Usually it is covered with paper on both sides. However, many companies also sell cork and non-woven insulation backing. In addition, foam backing may sometimes be found. Regardless of the base material used, they all have very positive reviews from both professional craftsmen and ordinary people whose activities are not related to repair and construction. This soundproofing surface also has certain insulation characteristics, thus combining several useful functions at once.

As for the types of wallpaper that can be glued over the backing, they can be different: paper, non-woven, vinyl, textile. Speaking about the main advantages of such coatings, first of all I would like to mention the following:

Eliminates the likelihood of microorganisms, mold and mildew (read more about).
Provides additional sound insulation due to sound-absorbing properties.
It has strength and a high level of durability.
Absolutely harmless to human health.
Acts as additional insulation.

Cork is an interesting option that can even be used instead of wallpaper

All this points to multitasking, which indicates the wide versatility of this kind of substrate. Another interesting quality is the ability to re-glue the wallpaper several times without causing damage to the substrate itself.

Some features

In addition to all of the above, we must not forget about the possibility of using it not only as a soundproofing and noise-insulating “lining” for wallpaper, but also for leveling walls. Of course, we are talking about leveling only minor mechanical damage, such as chips, scratches and cracks on the wall surface. If the wall is severely damaged, then in such cases you will have to take more serious measures.

By the way, its gluing is also associated with certain features that cannot be ignored. So, one of the most important conditions is that the wall surface should be pre-prepared. Preparation involves not only removing, but also getting rid of any remaining paint and glue. In addition, in cases where there is significant surface damage on the wall, it is advisable to level it using putty. After this, the wall must be coated with a layer of primer (using heavily diluted wallpaper glue is allowed).

Attention! It is better to use adhesive for gluing the backing that is intended for gluing so-called “heavy wallpaper”.

Sticking

Be that as it may, let's take a closer look at how to properly glue this roll material. At the same time, you will be able to stick it on with your own hands, doing all the work yourself. In fact, in essence, the work is practically no different from gluing other roll wall coverings, with the only difference being that a lining is used instead of wallpaper. However, the general technology remains the same. In any case, both according to the reviews of craftsmen and the testimony of ordinary buyers, this approach (using glue or thick wallpaper) is completely justified, and the results are quite good.

So, first of all, you will need to cut the canvas into separate sections, the size of the height of the wall. Then they will need to be straightened. To do this, you can use small weights or any small objects at hand, but with sufficient weight to level the sheets.

Helpful advice! After gluing, it is advisable to additionally glue the seams with masking tape or ordinary tape. It is desirable, however, that they be transparent (this applies to adhesive tape, since masking tape cannot be transparent) or at least light-colored. Something darker may appear during subsequent wallpapering in white, beige, light green and pastel colors.

Another useful piece of advice from experts in their field is that, both during gluing and after completing all the work, you should make sure that there are no “bubbles” left under the backing. Otherwise, you risk getting unevenly pasted wallpaper and all the work will be in vain: you will have to redo everything again. Wallpaper backing with Polif:

As noted above, it will be enough for you to stick the backing only once, and after that re-glue the wallpaper many times. As for the preparation before gluing, you need to remember to fulfill the following conditions:

Apply a layer of wallpaper paste or primer in advance.
After applying the glue to the substrate, you should not stick it on immediately after that. First, wait 10-12 minutes, and only then glue.
When air humidity is more than 70%, as well as at room temperature less than +10C, it is better to temporarily abandon gluing. So, it’s better for you to either reschedule the work or use a heater, which will raise the room temperature and lower the humidity.
And finally, one more useful tip: Try to avoid drafts after applying the sticker.

Popular brands

Among the most common manufacturers on the Russian market, as well as other CIS countries, the following brands can be mentioned:

Polyf (also known as Poliform).
Ecoheat, from the manufacturer Isolon
Penolon.
Globex (Globex).
Penohome.

Many buyers, considering popular brands, wonder which is better? In fact, it is difficult to draw clear conclusions and choose just one of them, since the products of all major manufacturers are of a high level of quality. As for the form of release, most of them (polyethylene foam, cork, and so on) are produced in rolls, thus reminiscent of more traditional and familiar wallpaper to all of us.

Ecohit is one of the market leaders

Main advantages

We have already briefly listed the main advantages of using such materials. Let's take a closer look at the advantages that using wallpaper underlay can provide. However, in addition to them, there are also points that can hardly be called exclusively a plus, since we are talking more about features or technical/operational characteristics. So here's what to take into account:

The use of such materials can be extremely useful in the case of residential (and not only) buildings and premises that do not have high thermal insulation characteristics. Thus, the substrate is a kind of “supplement” for the insulation, if any. What buildings are we talking about? First of all, these are country houses, “panel” buildings built in the 1960s and 70s, and other similar “cold” buildings.
It is better to avoid using it in places where there is a constant presence of moisture. We are talking about baths, bathrooms and other similar premises.
On the other hand, it is quite acceptable to use it in such places of the apartment as the kitchen, living room (hall), hallway (corridor), bedroom and even.
In cases where fungus and mold have already formed on the surface of the wall, it is necessary, first of all, to get rid of them, and only after that glue the backing.
You should also realize that putting cork on the wall instead of wallpaper is, of course, a possible option. However, in such cases it must be glued very carefully to avoid the appearance of joints between the individual panels.
Despite providing some level of additional sound insulation, this material cannot completely rid you of excess noise that comes from the street or from overly loud neighbors. So, don’t expect complete silence to reign in your room.
At the same time, circumstances such as complete safety for human health (including children), which allows it to be used in any room of the apartment, including.
The ease of gluing, which can be done by almost anyone without relevant experience, is complemented by an affordable cost.

Conclusion

Despite the fact that some people are not very familiar with this material, and some do not even know what a wallpaper backing is, reviews from craftsmen, as well as some ordinary buyers who have had experience in repairs using it, indicate that this is an excellent auxiliary material that will be very useful when working with wallpaper of any type (paper, vinyl, non-woven, textile, fiberglass, and so on). Wallpaper substrate Ecohit, Polifom, Penolon - reviews of these coatings, in most cases, are very positive, since many of those who have tried to use it advise others to do so.

Today, more and more attention is being paid to energy saving technologies. So, the use of such materials is very appropriate in this context. As for where to buy a lining of a particular brand, as well as questions about price, what can safely be said is that there is a wide variety of options on the market, from the most inexpensive to quite expensive. If you are already thinking about purchasing, we can recommend both large construction hypermarkets (and others) and small companies that often offer goods at very attractive prices. In addition, we cannot help but mention specialized online stores.

Many people believe that if the question arises about finishing and decorating a wall during renovation, it is enough to just choose the wallpaper you like. However, other important conditions are sound insulation, thermal insulation, and the condition of surfaces. Therefore, special soundproof wallpaper has been created to improve living conditions in the house (prevent the negative effects of external irritants), which will become simply indispensable assistants during repairs.

There are certain wall coverings (wallpaper backing) that were developed taking into account all the wishes of experienced craftsmen and ordinary consumers. This soundproofing surface is made of polyethylene (foam), which is covered on both sides with special paper. In addition to the paper surface, the backing can be cork or non-woven.

The main advantages of such surface coating are sound insulation and thermal insulation.

In addition, this material is well suited for any type of wallpaper. That is, such material will allow you to quickly and efficiently decorate walls.

Main advantages:

Characterized by its high strength, you don’t have to worry about it breaking easily.
Thanks to the use of environmentally friendly materials for production, it is perfect for any home.
This special surface does not absorb moisture, but rather helps prevent condensation.
The sound insulation of this wallpaper helps to achieve comfort and a calm environment.

This roll surface is an excellent material on which to stick the selected wallpaper. Moreover, manufacturers of such substrates have achieved excellent production results. This surface does not lose its properties for many years, which allows you to wallpaper the walls several times.

The wallpaper underlay will prevent the appearance of fungus on the walls for decades, prevent the formation of condensation and provide excellent sound insulation. And besides this, it is ideal for leveling uneven surfaces.

The main producers today are:

Ecohit. The material consists of polyethylene foam and has a white paper covering. Thanks to mechanical production, Ecoheat has a more uniform and dense structure.
Penolon. This cross-linked polyethylene foam is very popular today.
Polyf (trocellen). Thermal insulation is the most undeniable advantage of these wall coverings. These materials stand out for their high quality as well as ease of use.

Wallpaper backing for soundproofing and thermal insulation of walls in an apartment (video)

Characteristics and reviews of masters

All craftsmen involved in finishing and decorating walls very carefully select materials for repairs. This is not surprising, because the length of use of wall coverings depends on the quality of materials.

Therefore, reviews from experienced professionals describe the advantages of using special wallpaper substrates, as well as their disadvantages:

Such coatings are not suitable for rooms with high humidity.
Be sure to treat the surface of the wall if there is even the slightest manifestation of fungus.
Wallpaper that is too thin can show through the hidden backing, so it is better to choose a thicker material for covering walls.
Wallpaper underlay cannot completely soundproof a room. Even the most expensive types cannot guarantee this. However, due to its reasonable cost, it is possible to achieve a good result, and noise insulation will become possible.
The material is very convenient to use, cuts well and thanks to the paper surface the sheet can be easily glued.
The substrate is distinguished by its environmental safety, has no odors, and does not emit dust. That is, it can be used to decorate walls in any room.
Such coatings have received excellent reviews due to their ability to increase heat-shielding properties. Therefore, such insulation is indispensable for finishing walls in block houses and dachas.

Whatever substrate is chosen, everyone will be able to appreciate its structural stability. This will allow you to quickly and efficiently level any wall and create an ideal surface for wallpapering.

Thanks to the ease of use of this material, you can quickly achieve excellent results. And you don’t have to be a professional to do this.

How to properly soundproof walls in an apartment under wallpaper

Many may be concerned about the question of how to glue such material correctly and efficiently? Before using the wall underlay, you need to prepare the surface. Old wallpaper should be removed and paint should be removed from the walls. Using a special putty, cracks and cracks are smoothed out. Be sure to treat the entire surface with a primer, this will help get rid of the fungus.

It is important to prepare the material in advance; for this you need to level it. The substrate should be cut into the required sizes and placed under a press. After this, the inner smooth surface of the canvas is coated with special glue. The adhesive selected is suitable for polystyrene, PVA or intended for heavy wallpaper. The whole process is similar to the usual gluing of rolled sheets, but the sheets are glued end-to-end.

When processing the surface of the substrate, you should not apply glue to the joints, this leads to gluing of the material to each other and after drying the seam may become uneven. It is important to ensure that there are no voids. To get rid of any air bubbles that appear, use a rubber roller to get rid of them.

To ensure that the joints are not noticeable at all, you can seal the seam with thin paper tape. You should not start wallpapering surfaces until the backing is completely dry. This may take 1–2 days.

There are several mandatory conditions for pasting:

To avoid damaging the quality of the pasting, such work should not be carried out at high air temperatures (no more than 10 degrees). The result can be disappointing, because sometimes certain parts of the sheet do not stick. The best time for pasting is considered to be autumn or spring.
Wall treatment is a must! A primer or glue is suitable for these purposes.
After covering the substrate with glue, you should wait a few minutes. Then the sheet will be easier to stick to the wall. In addition, it is important to avoid drafts.

By following these simple rules, you can decorate the walls with high quality, take care of the soundproofing of the room and create a cozy atmosphere in the room. And you don’t have to be a professional master.

Description and reviews of the wallpaper substrate

Insulating wall coverings are very popular today, although comments after using them may vary. When describing different wallpaper substrates for insulation and sound insulation, consumer opinions were divided.

Buyers highlight the availability of purchase, ease of use, and with high-quality pasting, such material lasts a long time. However, the soundproofing effect of such coatings, unfortunately, is not able to completely protect against external noise stimuli.

Purchasing a wallpaper backing is often necessary in rooms with good audibility. This is especially true in apartment buildings. If you do not plan to cover the surfaces with plasterboard, such a finish will become indispensable.

Manufacturers promise a number of benefits using such wall coverings.:

Thermal insulation. You can insulate the walls well, get rid of fungus and prevent condensation.
Leveling surfaces. Although this material has a small thickness (about 5 cm), it perfectly masks any minor surface defects. This allows you to achieve good results when wallpapering.
Noise protection. The soundproofing of the material, although not completely, significantly reduces the level of extraneous sounds in the room.

However, the characteristics and reviews of such materials have different ratings among consumers. Why? Some note with indignation that this coating can completely fall off the wall. Others, on the contrary, praise this experience of insulating surfaces.

Due to the fact that there are many more positive reviews than negative ones, it can be assumed that the dissatisfaction of some is most likely caused by a violation of technology in the use of the material.

It is very important to choose the right glue for such canvases. You should not give preference to the usual wallpaper glue; PVA is ideal for polyethylene surfaces.

You can’t start wallpapering until the backing is completely dry, so it’s better to wait a few days. Roll wallpaper must be glued on top using glue intended for this purpose. Moreover, overlap of the joints should be avoided, that is, the edge of the wallpaper sheet should be located in the center of the backing.

But in any case, before you start gluing surfaces with such materials yourself, it is important to carefully read the instructions. After all, strict adherence to all the instructions of the masters will allow you to properly finish the walls in the room.

So, with a wallpaper backing, everyone can independently create the perfect wall decoration; the surface will have a great look and make the room more comfortable and warm.

Wallpaper backing (video)

Basically, wallpapering is done to give the room a pleasant, aesthetic appearance and make the walls easier to maintain. Of course, it is not necessary to use any layer between the wall and the wallpaper; in most cases, the wallpaper is glued directly to the wall, which has been prepared in advance for finishing.

If you want to achieve a longer shelf life of the wall covering, it is recommended to use additional materials, such as wallpaper backing, which helps with issues of vapor barrier and sound insulation. These are important issues that engineers and architects consider early in the design stages.

But if you live in a house built several decades ago, modern insulation materials were not used during its construction, so for the greatest comfort, residents of such houses decide to use these options.

Let's consider the technology, advantages and price of this solution for your walls. The substrate has a large number of functions.

It is used when it is necessary to solve such problems:

The need to insulate the walls (if it is not possible to insulate the outside).
Sound insulation under wallpaper, especially in apartment buildings and panel buildings, where audibility is very high; such houses are even called paper houses due to thin walls and little sound insulation. The soundproofing feature of the polyfoam wallpaper underlay guarantees a quieter and more relaxing living experience.
Waterproofing. You don’t have to worry about the new wallpaper; now they are not afraid of temperature changes and dampness outside. The dew will also remain deep in the wall. Mold and fungi do not form on this material, which is good for people with certain diseases.
Presence of irregularities. The use of this practical material for walls guarantees to hide all existing irregularities (we are not talking about several millimeter depressions and bulges). The wallpaper underlay helps you save money on finishing putty, which in most cases is used to glue the wallpaper, because you don’t need to perfectly level the wall with putty.
Finally, wallpaper underlay makes the job easier. The easy installation of the material and the not exorbitant price convince you to choose this option for interior wall decoration.

Although this material retains heat perfectly, the wallpaper backing cannot be the main insulation material!

Soundproofing materials

So, technology has been developing more and more recently, there are a lot of cars driving around the city, also winds, rains - all this forces people to isolate their homes as best as possible from unpleasant sounds and unfavorable natural conditions.

Nowadays preference is given to materials made of foamed polyethylene. Although other raw materials are used, such solutions have a number of properties. Here are some advantages of this type of substrate:

Durability. Manufacturers promise that such substrates will serve reliably for a period of 50 years. Moreover, you can paste wallpaper on them repeatedly.
Strength. Such fabrics are tensile-resistant. They also perform well during shrinkage of the building foundation. Quite elastic.
Environmental friendliness. Such fabrics do not emit chemical fumes. They are not harmful to both humans and nature.

These are just a few of the advantages of this material for decorating walls with wallpaper. Let's look at a couple more types of linings and the advantages of each.

Types of wallpaper substrate

The appearance depends on the wallpaper, and the strength and quality of the finish directly depends on the substrate. Each home will need a different type of material due to various factors. These are factors such as: who lives in the house, location, influence of natural conditions on the room, humidity and dampness. Therefore, let's look at the different types:

Foamed polyethylene

The first type of substrate for finishing walls in an apartment is a coating made of foamed polyethylene. There are different brands of substrates, Penolon, EcoHit and others. One of the types is Polyfoam for wallpaper. Distinctive features are high porosity, lightness, low thermal conductivity (approximately 0.028 W). Because of this indicator, the wallpaper backing can effectively contain the heat in the room.

Just one of these layer The thermal insulation is equivalent to a half-brick wall.

Such sound insulation under wallpaper retains its qualities at temperatures from -60 to +90 degrees Celsius. This leveling material behaves well when glued to cold concrete walls that freeze easily and do not have acceptable thermal insulation.

Polyethylene wallpaper will greatly increase the comfort of living in such a house and reduce the cost of insulating it, replacing other well-known methods. Polyfom is also ideal for corner houses.

Soundproofing for wallpaper is produced and sold in rolls, like other types of insulation. The price is low, it costs one roll of lining, 14 meters long, and half a meter wide - about 1,300 rubles. 1m2 costs 185 rubles. Different brands cost different things.

Cork backing

The second type is a cork backing. It is quite popular for wall decoration due to the fact that it consists of natural material. It is environmentally friendly and safe, has good adhesion and high sound insulation. This is the kind of insulating material that is used when covering a recording studio.

If your main goal is to make the room as soundproof as possible, then this soundproofing underlay is ideal for this. Sharp and loud sounds, such as barking dogs or car horns, will not penetrate into a room decorated with cork. Of course, like any other underlayment, cork underlayment will not protect you from structural noise, such as the sounds of construction equipment, chiselling, drilling, etc.

Cork is an excellent insulator, the thermal conductivity coefficient is approximately 0.032-0.04 W, which is similar to that of foam plastic.

The disadvantages of this type are the fear of water plugs and high humidity. This material is hygroscopic, as a result of which it is not recommended to use cork insulation in rather damp rooms. One m2 will cost around 250 rubles.

Nonwoven

Non-woven fabric is the third type of wallpaper lining. This is a non-woven, modified cellulose material. A big plus of this solution is vapor permeability, which is why the walls are ventilated or ventilated. This helps remove moisture from the room. It has good adhesion to almost any surface, and the material has good water-repellent properties.

Due to the fact that the material is quite elastic, it compensates for any minor irregularities. Purchasing this insulation will cost from 500 rubles per roll.

The length is 11-12 meters, and the width is from 60 cm to a meter. Non-woven fabric is suitable for children's bedrooms and rooms where there are sick or elderly people, as it does not harm health.

Also, rigid structures such as drywall are often used for the substrate. But it, just like plywood, is susceptible to dampness. Space is required between the surface and the drywall for air circulation. If the room is suitable for this decoration, then this is an excellent solution that is ideal for wallpapering.

Gluing technology

Pasting such soundproofing wallpaper will not take much time and effort. Gluing the backing is very easy. If you have worked with wallpaper before, then this work is also within your capabilities, the technology is similar. There is no need to carefully prepare the wall, unlike wallpaper. Here are the steps to apply the insulating material:

There should be no previous material left on the wall. Large cracks and crevices must be smoothed over with plaster. The wall should be fairly dry, even and clean, without huge differences.
Next, you need to cut the roll of substrate into sheets of the required length. The lightness of the material makes it easy to manipulate. The technology is almost identical to wallpaper gluing.
For the Polyf type of substrate, we use glue on which heavy wallpaper is attached. We glue the non-woven linings using glue for non-woven wallpaper. When using it, apply glue only to the wall, not to the material. When mounting the polyethylene foam backing, we coat the wall and the backing itself with glue.
Glue the strips seam to seam. For durable fastening, we reinforce the seams with paper tape. Let the walls dry for 72 hours, after which you can begin finishing.

By choosing the type of wallpaper underlay necessary for your case and installing it correctly, you will improve the quality of the finish, and with it, comfort. The sound-absorbing and heat-insulating properties of this material will protect you from harsh temperatures and noisy neighbors.

Modern new buildings and secondary housing cannot always boast of high quality. The smallest problems that owners have to deal with are uneven walls and ceilings. Noise from the street, loud neighbors - the walls, like a sheet of paper, let any sound through. However, every problem can be solved, and therefore the modern building materials market can offer a special wallpaper backing that will solve these and many problems.

What it is?

The underlay is a special intermediate layer that serves to level the wall and also enhances the adhesion between the wallpaper and the plaster. There are ordinary, standard substrates and materials with specific properties, such as vibration damping and noise suppression.

Substrates are made from synthetic materials and natural raw materials. Synthetics are often represented by a layer of polyethylene and paper fused with it.

Natural products are most often made from cork oak bark and other materials that have a pronounced property of absorbing and dampening vibration.

Peculiarities

Modern substrates are made from environmentally friendly raw materials, so they allow finishing work both inside residential premises and in public places. These materials can compensate for base defects, as well as mask and strengthen cracks.

Specific features such as sound insulation, thermal insulation and noise insulation abilities, will help create the necessary comfort and coziness in the house, as well as protect the work area. And the finishing coat will be smooth, even and will last much longer than without the use of a substrate.

The following positive points should also be noted:

The final coating has a smooth, bubble-free surface. The backing absorbs some of the glue, so it is distributed evenly over the entire wall.
The gluing process itself becomes much simpler and more practical. Due to its structure, the insulation helps to firmly fix the fabric in the seam area and corners.
A long service life of the wall decoration is achieved. The increased degree of adhesion allows the base and coating to be firmly grasped.
A substrate that has good breathability will prevent mold from forming on the wallpaper.
Significant savings in time, materials, effort and financial resources.

Substrates can have different characteristics, but one type can be used for different types of wallpaper.

Of course, an intermediate layer between the topcoat and the plaster is not necessary, but it is advisable.

Popular materials

There are several types of substrates, depending on the raw materials:

Paper. Thick paper allows you to correct the wall if it is not possible to dismantle the old, damaged plaster.
Non-woven fabric. The base is similar to ordinary non-woven wallpaper. They are durable, but lightweight and have good sound insulation characteristics. However, they are quite expensive materials.
Cork. Inexpensive technical cork is used as the starting material, which is why the resulting material is distinguished by its low cost. The substrate has excellent heat and sound insulation characteristics, it levels the walls well, but requires installation skills and a special adhesive composition.
Polyethylene. It is made of foamed polyethylene. It hides wall defects well, has such characteristics as sound insulation, and retains heat in the house.

Expanded polystyrene or its more common name is polystyrene foam. The simplest thermal insulation material known to a wide range of consumers. Is different low cost and good thermal insulation properties, therefore has a wide scope of application. With its help, walls, floors, ceilings, and even house facades are insulated.

Polystyrene foam is a good and proven option for insulating residential and industrial premises.

However, it is absolutely impractical for wallpapering. This conclusion can be made based on the following features of expanded polystyrene:

Polystyrene foam has a loose structure, its surface is very fragile and not rigid enough for wallpaper. In other words, if someone suddenly presses on the wall or leans against it, a dent will form in this place and the wallpaper will tear. Also, during use, abscesses may form on the canvas.
In stores, foam plastic is sold in the form of slabs, therefore, in order to ensure high-quality thermal insulation, the foam layer must be at least 5 cm. The main problem is the seams - they protrude too much above the wall surface and will be noticeable under the wallpaper.
When carrying out cosmetic repairs, it will be possible to dismantle the old wallpaper only together with the insulation. This is not very convenient and adds additional work, since you will have to glue not only wallpaper, but also a new backing.
And the last, most important factor is fire safety. To comply with all the rules, you must first cover the foam and trim it with non-flammable material, which is also impractical.

If, nevertheless, the choice settled on polystyrene foam, then to give a rigid base for the wallpaper You can use three additional coatings:

Cover it with plasterboard.
Cover with special plaster with reinforcing properties.
It is necessary to use a fiberglass-based plaster mesh.

Insulation can be made from various materials. However, the most common is polyphome. It is made of foamed polyethylene. Its thickness can vary from 4 to 8 mm. Polyfoam is an environmentally friendly material. There is a paper lining on both sides. You can purchase polyform in the form of rolls in a specialized store. Roll parameters:

Length – 14 m.
Width – 0.5 m.
Thickness – 5 mm.
Density – 30 kg/cube m.

Penolon is a polymer and is chemically cross-linked. It is characterized by elasticity, light weight and hygiene. The material is quite resistant to exposure to aggressive environments such as acid, alkali, alcohol and gasoline. It is not subject to deformation, and also has a low coefficient of vapor permeability and heat conductivity. Areas of application of Penolon:

Levels walls.
Suppresses noise and vibration.
Reduces the spread of cold from walls.
Facilitates the work of pasting walls.
Eliminates the "crying walls" phenomenon

Foamed polyethylenes also include polyform and polyphon, which have similar characteristics to the above materials. Even if the layer is thin.

Penohome is a universal material with different densities. It is a European bloc. Has excellent sound insulation properties. Copes well with high humidity and helps insulate the room.

The cork substrate has high heat and sound insulation. Significantly increases the degree of adhesion of the finishing coating and the base. In addition, the material is made from natural raw materials and is an ecological, natural and safe product for health. Technical features of the material:

Thermal conductivity coefficient – 0.04 W/m2.
Material density – 100-130 kg/m.
Belong to a material of normal flammability (class - G3).
Weight – 200 kg/m3.

Non-woven backing is also popular. Its main distinguishing feature is good steam permeability.

This provides excellent ventilation of the walls and rooms themselves. This material is also very elastic, so it easily masks non-critical defects in the base and is not very expensive. Rolled interlining has the following characteristics: length – 10-12 m, width – 0.6-1 m. The canvas can be glued vertically and horizontally.

Installation

Before finishing the walls with a finishing coating, you must first prepare them. This statement has long been an axiom. However, some owners for some reason do not want to prepare the walls, but you need to understand that gluing wallpaper literally onto bare surfaces is a waste of money and effort.

Installation of insulation does not seem to be a complicated process and takes place in several main stages. In most cases, there is no need to call a professional.

First you need to prepare the working surface itself (that is, the wall). It is necessary to dismantle the old canvas, loose plaster, paint and remove dirt. After this, you need to putty the walls, level out all the unevenness and small depressions. We cover the plaster with a deep penetration primer so that it becomes stronger and does not crumble. It is necessary to wait until the primer completely dry. You will have to wait about 24 hours. Only after this time can installation begin.

Now you need to measure the wall and cut the insulation into pieces of the required length. Let's start gluing. You will need either special adhesives (cork insulation) or just universal glue. Simply put, the glue must be chosen depending on the material taken. If the room has a high level of humidity, you can use baguette compound or liquid nails. They are quite expensive, but will not allow the lining to move away from the wall during strong temperature fluctuations. The most optimal temperature and humidity values are + 10 degrees, 70% humidity.

Using a roller, distribute the adhesive composition over the substrate and wall. We wait about 5 minutes, fix it on the base, smooth it with a rubber spatula. We do not allow drafts to occur at the time of gluing. To prevent divergence or bulging, glue the joints with wide masking tape. If you use something other than wallpaper glue, install it according to the instructions on the package. We wait for the glue to dry for 3 days.

While the composition dries, you need to ensure good ventilation of the room.

When choosing polymer insulation, you should know that according to the manufacturing method they are divided into:

Non-crosslinked gas foam.
Cross-linked: chemically and physically.

The simplest is uncrosslinked polyethylene. Its manufacturing technology is the simplest. The strength and thermal insulation properties of this material are 1/4 less and worse than the others.

Both chemically and physically cross-linked polyethylene are similar in their properties, therefore, when buying insulation, you need to focus on:

Color of the material (uniform, white or light gray).
How tightly the paper is attached to the base.
Presence of odor (normally there should be no odor).
Elasticity (the surface quickly recovers after finger pressure).
Structure.
Edge decoration.
Durability and certificate availability.

When choosing a substrate, it is worth considering that Their main differences from each other are thickness and density. Cork material is more dense, so it does not require thorough leveling of the walls before installation. Polyfom allows you not to thoroughly putty the walls. And non-woven fabric, which is a very durable material, will protect the wallpaper from tearing and the walls from cracking.

Some tips for laying the material:

The joints must be treated with wide masking tape to stabilize the canvas and prevent the formation of hills on the seams.
The seam of the wallpaper must not coincide with the seam of the insulation.
If there is a suspicion of the presence of a fungus, the necessary antiseptic measures are urgently taken.

These tips will help maintain the integrity of the wallpaper and prevent the seams from coming apart. It is better to use a primer that contains antiseptic substances. This is necessary to prevent the proliferation of various microorganisms. The finished surface should be dry and smooth.