House, design, renovation, decor.  Courtyard and garden.  With your own hands

House, design, renovation, decor. Courtyard and garden. With your own hands

» How to determine the front side of the fiberglass cobweb. Painting fiberglass

How to determine the front side of the fiberglass cobweb. Painting fiberglass

What is fiberglass for painting, not everyone knows: this innovative finishing material appeared on the market relatively recently and is actively gaining popularity due to its valuable properties. Like other types of modern materials, the cobweb glass canvas painting gives previously unavailable advantages in the process of finishing work.

Scope of the material

What it is? Fiberglass is a non-woven fabric obtained by pressing and consisting of the smallest glass fibers. This is a thin translucent material, therefore, in professional jargon, glass canvas painting is often called a cobweb.

Why do you need a glass canvas painting? It guarantees the avoidance of visible damage to walls and ceilings. The appearance of cracks on surfaces covered with plaster and putty is not always associated with the unprofessionalism of the workers who carried out the repairs. Cracking due to physical properties traditional building materials which, under the influence of dry air, shrink over time.

Another reason for cracking is the constant vibration that is common in homes next to a highway or railroad. Because of the appearance of cracks, it used to be necessary to update frequently decorative coating.

The use of fiberglass allows you to get perfectly flat, durable and not subject to cracking walls and ceilings.

Hypoallergenic, Fire safety, ease of use, durability and the ability to transmit water vapor, due to which the decorated surfaces have optimal humidity, determine the more and more frequent use of the cobweb for reinforcing walls and ceilings.

Specifications

Painting fiberglass is a light fibrous material obtained from natural raw materials, which is quartz sand.

Fiberglass spider line is supplied in rolls, the length of the canvas is 50 m, the width is 1 m.

The density of fiberglass varies from 25 to 50 g / m 2.


It is better to choose higher density fiberglass for the walls, and less for the ceiling.

The use of the material is possible at temperatures from -40 to + 60 ° C, which makes it suitable for any climatic conditions.

The cobweb is breathable and hygienic: it does not electrify, does not accumulate dust, withstands wet cleaning, and mold and mildew do not form on it. The material does not release into the air harmful substances and does not support combustion. All this, coupled with resistance to mechanical damage and the possibility of quick application gives the cobweb advantages over other types finishing materials.

Precautionary measures

The cobweb fiberglass on the wall forms a hard wear-resistant coating that can be washed, but it acquires these qualities only in combination with glue. Before talking about being on the walls, you should take care of the precautions.

The material that has not yet been adhered is fragile enough that small particles of it can get into Airways... Once on the skin and mucous membranes, glass fibers cause irritation, therefore, when working, be sure to use a respirator, goggles and protective clothing.

It is possible to glue the cobweb only at a certain temperature (from + 15 to + 25 ° C) and an air humidity of no more than 60%. Drafts are unacceptable during the work, it is required to exclude direct sunlight.


How to properly glue glass fiber? It is necessary that the walls are pre-leveled and filled. Before gluing, you need to carefully fill and reinforce the seams between the plates and then make sure that they do not coincide with the boundaries of the glass sheets. Fiberglass is glued to the putty only after applying a primer deep penetration, which will avoid excessive consumption of adhesive.

The technology assumes that the cobweb can only be glued with special compounds that do not contain starch, for example, Bostic, Oscar, Wellton adhesives produced by fiberglass manufacturers. The same compositions

It should be borne in mind that the material has a seamy and smoother front side: it is important not to confuse.

Sticking rules

You need to glue the material as follows:

  • cut the material into strips, corresponding to the height of the walls with an allowance of up to 10 cm;
  • according to the instructions, prepare a solution from dry matter - the cooking time should not exceed 15 minutes (the ready-made solution is also sold, but it is much more expensive);
  • evenly, without gaps, apply glue to the wall or ceiling - with glue you need to cover an area slightly larger than the width of the first canvas;
  • strictly vertically, pressing with a roller or a flexible plastic spatula, glue the first sheet, - pasting begins from the corner closest to the window, the sheet is close to each other;
  • apply the next portion of glue and overlap attach the second canvas - so that the paint looks even, the pile on the canvases should be directed in one direction;
  • with a clerical knife, cut off the excess under the ceiling, above the floor and exactly along the joint (to get even, it is convenient to press a wide spatula to the borders and cut along its edge);
  • cover the glued canvases on top with glue - you need to stop when the color becomes uniform.

The video will tell you how to stick fiberglass cloths on the ceiling.

It is important that the room remains closed until the glue is completely dry. Draft can completely destroy the work results, causing the webs to peel off.

How to prepare fiberglass for painting

Masters are often interested in the following questions: is it necessary to prime the fiberglass, and also whether it is necessary to putty the fiberglass and why is it done? It is not required to prime the coating before or to paint, because the walls have already been primed before gluing it. In addition, glue acts as a primer.

The question of whether puttying is necessary has no definite answer. Fiberglass has a beautiful texture, which is sometimes preferable to preserve, but the paint consumption will be very high and at least 4-5 layers will be required. The paint will make the joints noticeable: even if they are made perfectly, their very presence will not at all decorate the room. It is better to putty the fiberglass before painting for another reason: fine lint can get into the air, which is harmful to health, and the putty completely excludes their penetration.

How to putty? There is no special putty for glass fiber, you can use any finishing mixture on a gypsum or polymer base, the main thing is that it is of good quality.

How to putty glass canvas painting? The technology has some features:

  • by the time the putty is applied, the glue must be completely dry;
  • if the cover was glued a few days ago, it must be cleaned of dust;
  • the adjacent surface is protected with masking tape;
  • putty is applied in two layers at intervals of a day;
  • the thickness of the first layer should not exceed 2 mm;
  • the second layer should be the same thin and completely overlap the first;
  • after drying, the putty is sanded with a bar with sandpaper with a grain size of no more than P150.

Fiberglass putty allows you to get a perfectly flat, durable surface.

Glass fiber painting

How to paint fiberglass? If it is decided to paint the fiberglass without prior filling, no priming is required, but its texture will be visible even under many layers of paint. But still painted walls or the ceiling will look more attractive if it has been previously filled; in this case, apply a primer. To paint walls, it is best to choose water-based paints that fit well and are easy to use.


Painting of fiberglass is carried out using the same technology as painting of other materials.

The paint is applied with a roller until there are no areas of uneven tone on the painted surface.

Is it possible on fiberglass? Yes, since this material is not a finishing material. Fiberglass under the wallpaper is a common finish, but before the final surface finish, you need to putty and prime.

Fiberglass is rarely used as a decorative coating, but it is irreplaceable as a reinforcing material. Its use will allow you to achieve a perfectly smooth surface, and redecorating it won't take much longer.

In rooms with high level permeability, decorative functions and high wear resistance of finishing materials are important. The simplest and most economical option is preliminary gluing of walls with fiberglass, and then painting them.

Before starting work related to the use of fiberglass, you will have to carry out work, including puttying, priming. As soon as the plastered and primed wall is completely dry, you can continue to work, that is, proceed to decorating the walls with fiberglass.

What is fiberglass?

Painting glass mat is called environmentally friendly modern material based on mineral fiberglass and certain organic resins. This non-woven solid fiber does not have a pronounced pattern, which is characteristic of glass wallpaper, in it the glass fiber filaments are arranged in a chaotic order.

Fiberglass has an acceptable cost, it is often called glass non-woven, the common name is "spider web", since this material has a soft and pleasant texture. There is a subdivision of this material into different classes depending on the density (thickness).

The cost of fiberglass depends on the density, as well as its performance characteristics... Professionals recommend choosing fiberglass for arranging the surface of the ceiling to take several different classes at once, that is, in the range of 25-35 g / m 2, getting a guaranteed light and reliable coating.

If the density of the fiberglass is higher, it will be able to withstand significant mechanical loads, no unpleasant cracks or deformations will form on it.

The opinion that cullet and cobweb are one material is erroneous. - rolled decorative coating, which is weaving made of fiberglass.

Fiberglass is a special material obtained by pressing fiberglass threads for decorating walls. The fiberglass does not have a special pattern, therefore, it can be dyed an unlimited number of times. In terms of cost, the difference between fiberglass and fiberglass is 2-2.5 times.

Material advantages

  • increased fire safety;
  • durability;
  • heat resistance;
  • durability.

Don't miss the opportunity to use them in your modern and stylish interior.

Work order

Let's try to figure out the intricacies technological process and also give a few useful tips for those who want to perform these actions on their own.

  1. First you need to cut a roll of fiberglass, cut several pieces of the required length, not forgetting about 10-15 centimeter allowances for aligning the pattern. all joints are visible, the aesthetic characteristics of the surface will be violated. You will need a building level to glue the first piece of fiberglass.
  2. All subsequent pieces of fiberglass are glued end-to-end; in case of damage at the ends of the web, an overlap is performed. If you have chosen the method of gluing fiberglass sheets with an overlap, all damaged edges after gluing will have to be cut off, thus obtaining an absolutely even joint.
  3. Next, the glued fabric is evenly smoothed with a wallpaper spatula.
  4. How to glue fiberglass to the surface of the ceiling and walls

    Special adhesive for fiberglass

    1. To glue the fiberglass, you need a special glue; its label should contain information that this glue is suitable for working with fiberglass.
    2. The glue must be made by a reputable manufacturer, otherwise you cannot be sure of its quality.
    3. Also note that you will have to apply the adhesive directly to the walls or ceiling, not the fiberglass.

      It is important to start gluing in the direction away from the light, that is, to start from the wall that is near the window. Craftsmen with skills in working with fiberglass recommend using a material with a density of 25 g / m 2.

      If an inexperienced builder acquires a fiberglass of a higher density, there is a great risk that after a while it will simply fall off the wall.

      When pasting the ceiling or walls with fiberglass, the windows in the room must be closed, that is, no drafts are allowed. It is advisable to carry out any work related to gluing fiberglass to the ceiling (walls), in special protective clothing, for example, use gloves and overalls.

      Otherwise, there is a great risk that irritation will appear on the skin, allergic reactions are not excluded. You can use a respirator to protect your respiratory system from dust.

      Coloring fiberglass can only be done after it is completely dry. Want to see the texture of fiberglass? In this case, apply no more than two layers of paint to the walls, do everything before gluing the fiberglass to the wall surface.

By mistake, for pasting the ceiling, instead of fiberglass with a density of 25, I bought it with a lot of 50. Can you please tell me whether such fiberglass will hold or is it better to replace it with 25. And tell me what is better to use for the ceiling primer: a primer or diluted glue? Ceiling - plastered and putty concrete plates, there are small cracks at the joints.

There is no particular mistake. For such works, both fiberglass with a density of 25 g / m and 50 g / m are quite suitable. If you have already bought a material with a higher density, use it. It is more profitable to use fiberglass of lower density, since it is much cheaper. You should also take into account the consumption of glue: for 50 ku it will be required an order of magnitude more. In your case, 25 would quite cope with the task, because no major damage to the ceiling. Fiberglass with a density of 50 g / m is used for large cracks and other significant defects in the ceiling, since it is more durable.

Usually, in a new house, the walls shrink for several years, respectively, cracks appear, the fiberglass will perfectly cope with cracks, not only visually, but also will not allow them to expand.

The fiberglass, according to the manufacturers, is made of natural materials, non-toxic, air and vapor permeable, however, like ordinary wallpaper. However, unlike the latter, it reinforces walls, ceilings, is not afraid of chemicals, is not static, and is less susceptible to mechanical damage.

Preparation for work is extremely simple: large cracks must be widened and cleaned of "fragments", ie. remove everything that crumbles or crumbles. Small cracks should also be inspected and checked for chips with a spatula.

It can be primed with the most common acrylic-based deep penetration primer

The primer will provide reliable adhesion, protection against bacteria and fungus. You can use a glue solution, but a primer will be better.

It is not necessary to use a special adhesive (eg Wellton GW300-k). Ordinary PVA will do

We glue the places of large cracks with pieces of reinforced fiberglass, small ones are not necessary to glue.

If a roll of canvas has bad edges - it's okay, glue with an overlap, without flattening the joint too much, then immediately a slot of 2 canvases is made with a clerical knife, and the excess is removed.


Painting fiberglass, called "cobweb" because of the external similarity with the spider's net, is widely used as a finishing and reinforcing material at the same time when performing internal work.

The use of a fiberglass-based canvas eliminates the formation of cracks when the plaster dries and the building shrinks, simplifies the preparation of drywall walls for painting.

The result is higher quality finishing walls and ceiling.

Choosing a glue for a painting cobweb

The fiberglass is glued onto a special glue for fiberglass. The most popular among professional finishers are adhesives of the following brands:

  • OSCAR is a universal acrylic-based dispersion adhesive. Designed for gluing fiberglass painting canvas and glass wallpaper for painting on various surfaces(concrete, brick, drywall, OSB, etc.).

Oscar glue for fiberglass cobweb is available in the form of a ready-made solution, as well as in the form of a dry powder.

The glue contains an antiseptic additive that prevents the formation of mold in rooms with high humidity... The glue is applied directly to the surface to be pasted, which facilitates the work process, the high elasticity of the composition allows you to adjust the position of the canvas.

  • BOSTIK 70 is a modern glue based on water dispersion (PVA) and starch. Designed specifically for gluing spider webs, fiberglass and fiberglass.

Suitable only for dry rooms. Works great both on absorbent (drywall, chipboard, concrete, brick and plastered walls) and on painted surfaces. Bostic glue for cobweb is sold ready-made, in plastic 15-liter buckets.

  • Nortex - universal glue based on modified starch with the addition of an antifungal component. It is produced in a dry and ready-to-use form, suitable for all types of fiberglass (fiberglass).

When dried, Nortex becomes colorless and does not stain. Sticking dense "cobwebs" is made immediately after applying the adhesive to the wall.

Step-by-step instructions - how to glue a spider web on the ceiling and walls

Painting fiberglass is the most affordable and most effective material for dealing with cracks on walls and ceilings.

It perfectly masks the joints of GVL and KGL sheets, making the surface monolithic and more durable.

To complete the work, you will need the following materials and tools:

  • primer (you can use ready-made fiberglass glue);
  • roller for applying glue to the wall;
  • a clean, dry cloth to remove excess glue;
  • plastic spatula for leveling wallpaper;
  • a utility knife with replaceable blades and a wide metal spatula for trimming wallpaper;
  • ladder;
  • respirator (to prevent fiberglass particles from entering the lungs).

Working with a "cobweb" in terms of complexity does not differ from the process of gluing ordinary wallpaper without fitting and takes place in several stages:

  1. Surface preparation. First, you need to clean the wall / ceiling from dirt and peeling plaster, fill in large flaws, if any, and prime the surface with a latex primer or a weak solution of glass wallpaper glue.
  1. Glue application. Apply the adhesive to the wall or ceiling with a fleecy roller or wide brush (approximately one glass of adhesive per 1 square meter of wall). It is advisable to apply the glue to the surface to be treated with the expectation of 2-3 strips of canvas.
  1. On a wall / ceiling that is evenly covered with glue, a web of “cobweb” is applied and evenly straightened so that there are no folds and bubbles. It is convenient to expel air from under the wallpaper using a wide plastic spatula, moving "herringbone" (from the middle to the edges). Then, in the same way, the second strip of fiberglass is glued back to back with the previous one.

Which side to glue the cobweb? Indeed, the fiberglass has two seamy and front sides. You need to glue the wrong side - the one that has a more fleecy structure.

Second way: Unfortunately, it is not always possible to perfectly align two fiberglass sheets, especially when the edges of the canvas are damaged.

In this case, the cobweb is glued in a different way - with an overlap, followed by cutting two canvases with a construction knife.

To achieve a perfect joint in the center of the resulting overlap, cut both layers with a sharp knife and carefully remove the cut strips of both canvases.

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Frequently asked questions

On what surface can the spider web be glued?

Almost any - concrete, wood, drywall, plastic, cleaned brickwork etc. The most important thing to prepare the walls and ceiling is to putty large pits and cracks, remove all protruding irregularities and prime.

What is the consumption of glue for fiberglass spiderweb?

Dry glue like Oscar will need about 400-500 grams per 50 square meters of "cobweb". The consumption of ready-made glue is about one liter per 5 square meters of fiberglass.

Is it possible to glue wallpaper on a spider web?

Fiberglass is not topcoat, it is used to reinforce the surface of walls and ceilings in front of finishing works... It is impractical to glue wallpaper on glass fiber for several reasons.

First, the surface of such a wall has textured surface... To glue the wallpaper, you will have to re-plaster the walls, which will lead to a rise in price. renovation works... The best solution would be to paint the walls lined with fiberglass.

What is the best way to paint a glass canvas painting?

It all depends on the operating conditions of the room, on what influences the surface will be exposed to. A practical solution will become a water-based latex paint.

Fiberglass reinforced walls and ceilings. Thus, in terms of its qualities, it is similar to fiberglass, but unlike the latter, it can be painted many times without worrying about the relief or drawing, since it does not have such.

How to glue fiberglass and what is it?

What is fiberglass? These are smooth and “prickly” translucent sheets consisting of fiberglass strands joined together by pressing. The texture is like a spider web. The canvas comes in a roll of 1mx50m. Fiberglass has a number of advantages:
  • solid
  • bends easily
  • not afraid of chemicals, fire and water
  • not static
  • not allergic

How to glue fiberglass for painting

First of all, in order to know how to glue the fiberglass, you need to understand why it needs to be done. Firstly, the canvas can be glued to any surface: concrete, drywall, plastic, brick, chipboard or metal. Secondly, it perfectly hides small cracks and irregularities, and also prevents the formation of new ones. The cobweb perfectly withstands the load during the shrinkage of the building, thus protecting the walls and ceiling from plaster peeling and wallpaper tearing. It is an ideal material for leveling indoor surfaces. With the help of fiberglass, the effect of smoothness and evenness is achieved. Before you start working with the canvas, you need to prepare the surface.

To do this, it is cleaned of dust, large cracks are putty. Small or large cracks can be identified with a spatula. If the crack is wider than the blade of a putty knife, then it needs to be putty. But if the blade does not climb into the crack, then there is no need to putty it. Then the walls are primed. This is done with a solution of glue or a deep-dissolving primer.

Next, the process of gluing the canvas begins. Since the glue is not applied to the canvas, but rather covers the surface of the walls or ceilings, the procedure for gluing the fiberglass is much easier than gluing wallpaper. The work uses glue for fiberglass, which is usually sold complete with a cobweb. Sheets are glued end-to-end. The seams are leveled with a spatula. It is possible, and even experts advise, to glue the canvases with an overlap. In the same way, they are glued when the surfaces of the premises are curved or broken. Also, if the edges of the roll are tousled or damaged.

How to glue fiberglass correctly

What can be used to glue the fiberglass? Allowed - on any type of surface with interior finishes premises. The first step is to apply glue to the surface. Next, the fiberglass is glued. To make the canvas firmly attached to the wall, smooth it lightly with a roller from the middle to the edges over the entire surface. Thus, excess glue and air are expelled from under the sheet. The top is covered with a layer of glue. With a spatula, the glue is well rubbed into the fiberglass, since the canvas must be soaked in everything. This can be determined by the color of the canvas. When the canvas is well saturated with glue, it is darker. The edges of the sheet are not strongly smoothed. Glue is applied to the next part of the wall.

When applying glue, we go a little on the already glued sheet. A new piece of canvas is applied to this part of the surface and glued to the wall with an overlap on the first part. The place of overlapping of two sheets is easily ironed with a spatula. Next, an overlap of two sheets of fiberglass is cut with a knife. You can clerical.


Get rid of the extra cut strips of the first and second sheets, from above and from under the canvas. It is well smoothed with a spatula, with light pressure, at the junction of the canvases. The result is an inconspicuous seam. The seam and the entire canvas are covered with a layer of glue. And so, step by step, we glue the entire planned area of ​​the wall or ceiling. Allow time for the surface to dry well. Further - you can paint. However, experienced painters do not advise doing this immediately after the glue has dried. Because fiberglass absorbs paint well and its consumption will be very high. Moreover, the texture of the canvas will be visible from under the paint, even if you apply it in several layers. Accordingly, the view will not be aesthetic.

Using fiberglass for finishing the room and observing the technology, you will forever forget about cracks and deformations of the surfaces of walls and ceilings.

Fiberglass how to glue a video