Drywall is a unique material that is used in the repair process in each room. Finishing masters actively use it in the process of implementing any project. Since it has many positive aspects, the material creates a pleasant microclimate in the house.
Features
Drywall has many positive aspects:
- Lack of installation complexity.
- Environmentally friendly material.
- Full protection against heat output.
- Soundproofing.
- Universality.
This is the main thing that distinguishes each master.
What species are most common?
On the market you can find various types, with their own characteristics. Separation is based on GOST:
- GKL gypsum cardboard is a standard type, without additives. Visually with a gray surface, most often used in finishing work. It becomes a good barrier to sound, suitable for mounting false ceilings. Do not confuse it with GVL - this type is much stronger and comes with additives.
- GKLV - moisture resistant sheets. Most often appear in rooms with high humidity. Despite this, special protective masses are used for a long service life. They cover the surface.
- GKLO - a fire-resistant look. To prevent confusion, each sheet is coated in its own color. In the composition of reinforcing substances that are a barrier to fire. In rooms where fire safety requirements are high, it is suitable for decoration.
- GKLVO - has high moisture and fire resistance. The scope is different, depending on the characteristics.
GKL gypsum cardboard is considered the most demanded in the market. A variety of finishes is made from it, even a person without much experience quickly copes with the task.
What is characteristic of the material?
The standard sheet of material has a rectangular shape. Sizes Available:
- From 600 to 1200 is the width in mm.
- 2000-4000 mm - length.
- 6.5-12.5 mm - thickness.
Before you start finishing, full calculations are made. Drywall GKL 12.5 mm thick is the largest, and it is difficult to create unusual designs from it. Builders divide the material into ceiling and wall according to size. In addition, the price also differs depending on the thickness indicators.
For the installation of arches and ceilings, they most often use such dimensions - 1200 by 3000 by 6.5 mm. It is flexible and smooth lines come out without problems. Wall decoration and partitioning comes from a more durable material.
Drywall "Knauf" GKL
For repairs in a house or any other room, it is good to take strong material or finished parts as a basis. A vivid confirmation of such work is the Knauf drywall. It is used for interior decoration. It:
- Facing a flat surface.
- Work on suspended ceilings, in several levels.
- Creation of arches, niches, partitions.
- Dressing.
Such gypsum plasterboard GKL must comply with GOST. To create a surface, durable cardboard is used, which is rounded at the ends. Inside there is gypsum with additives for strength. Obvious positive aspects - low fire, good noise protection. To create it, chemical fillers are not taken. The material is completely environmentally friendly. Also, reviews say that the moisture-resistant Knauf sheets are not susceptible to decay and mold.
The length of this material is from 2 to 4 meters, the width is from 6.5 to 24 mm. The main disadvantage is that the weight of such a sheet is 40 kilograms, which means that it is difficult to independently assemble it. Depending on the place of attachment, drywall GKL UK is divided into:
- Wall - fixed in an upright position, maximum thickness.
- Ceiling - the price indicator is lower than the first. Used for pendant installation on the ceiling, weight less than 30 kilograms.
- Arched - its average thickness (up to 6 mm), which allows you to create uneven structures. To do this, it is pre-wetted, make the desired shape and dried. Only after that they are mounted in the right place.
The construction process has its own characteristics. Despite the ease of implementation, many can make mistakes when working with gypsum plasterboard GCR. The top layer should be carefully cut so that the inner composition does not spill out. But after creating one sheet of the right size, everything goes on simply.
Drywall Types
All building material is conditionally divided into several variations, for ease of use and purchase. Filler is considered important, from this material has several types. It is moisture resistant, waterproof, ordinary, fire resistant. So itโs easier to make a choice depending on the purpose of the finishing work.
Normal and moisture resistant
The first can not be used in rooms with high humidity, which can not be said about the second. If the usual gets wet, then there is a change in its shape, loss of strength. As a result, mold and fungus form. Moisture-resistant โKnaufโ is one of the best options for decorating the bathroom and toilet. A special composition is applied to the surface, which prevents moisture from penetrating inside and spoiling the surface. Most often, it becomes the first finishing layer, and then any tile is applied.
Flame retardant and waterproof
There are rooms in which other decoration is simply not available. For the price of these sheets are more expensive than the usual form, the dimensions are the same. When a fire occurs, the flame stops.
In any case, each species finds its own scope. Drywall is actively used not only in new houses and apartments for decoration, but also during major repairs in the old building.
How to buy?
Pre-calculated amount of material depending on the surface finish. It is worth making a decision in width and length. The weight is large, so it will be difficult for one to mount. It is also immediately necessary to prepare a tool for cutting. More often use electric jigsaws, so faster. Gypsum plasterboard โKnaufโ GKL is considered one of the most demanded in the market, for its qualities and long-term performance.
What types are no less high-quality?
Since finishing material is in demand, there are many offers on the market. Gypsum plasterboard GKL Volma has the following main types:
- Normal.
- Moisture resistant.
- Fire resistant.
- Water and fire resistant.
The sizes are most often standard, but if the client so wishes, many manufacturers work on personal orders. GKL gypsum board is fireproof, and all others of this brand have recessed edges, which makes it possible to completely hide the joint after finishing with putty. Sometimes such conditions are required for an individual finish. In order not to be mistaken, any of the types has its own marking:
- The standard is the front and back sides are gray, and the markings are blue.
- Moisture resistant. The front is green and the back is gray. The marking is blue.
- Fire resistant. The front part is pink and the back is gray. The mark is red.
- Water and fire resistant. The front side is pink, the back is green. The mark is black.
In addition, conventions are used. On them it is easier to make a fault-free choice and purchase the required product. Not always a person without experience can accurately make some calculations.
Characteristics for comparison
To understand what is at stake, you need to know the distinguishing features. GKL drywall sheets are not produced in accordance with GOST, but in compliance with TU. But this does not affect the quality of the material, but rather gives the best indicators - strength, density, reliability. Non-standard components are used in the manufacturing process - sugar and starch. Their task is to increase the adhesion of the main surface with the internal filler.
Knowing the characteristics of each sheet, it is already easier to make your choice. The Volma brand has no particular differences from other manufacturers, so working with sheets is easy. The only exception is the need to create a deep cut, otherwise the edge may break, breaking the evenness.
To make the surface perfectly smooth, grouting is additionally required. For this, putty is used, otherwise the cladding will be poorly executed. Moisture-resistant gypsum plasterboard GKL also undergoes masking of seams, otherwise moisture will leak inside. And then mold can develop in the gaps, which is not very good.
How to work with decoration?
Such finishing material is often used. Knowing the execution technique, it is easy to quickly create an even surface of walls or ceilings. And most importantly, in the process of work, dirt and dust do not appear. Although some inexperienced people may be mistaken in the process, which leads to a breakdown of the sheet, and, therefore, rash of gypsum. Need to use sharp tools for sawing. Installation of gypsum plasterboard GKL is not very difficult to carry out, but the surface is preliminarily prepared.
If the cultivated area is with large differences, then without a frame it will not be possible to implement the project. Some believe that such a finish takes centimeters of area. To do this, use metal parts or wood, but the first option is more reliable and durable.
The step between the selected material depends on the brand of drywall sheets. This is most often 600 or 400 mm, although each solves this issue depending on the area of โโthe finish, its quality and other things. For fastening, ordinary self-tapping screws are quite suitable. But they should be sunk. Care should be taken as the maximum pressure on the tool may break the sheet.
A common problem is the movement of the sheet after fastening, as well as sprinkling of the edges. To avoid this, you need to correctly mount the sheet - the joints should coincide with the central axis of the bearing profiles. This is not difficult to do, the step is carefully calculated, after which the fixation step of the metal or wood is preliminarily determined.
To saw a sheet, everyone uses an affordable and convenient tool. But most often it is a construction knife. Perform a double cut on the front and back sides, then a break is made over the entire required area. After each joint is hidden under the putty and the hats of the screws are deepened. Then the entire working surface is treated with a primer mixture. Next is the final facial finish.
It is not always necessary to create a wireframe. When the surface of the wall and ceiling is perfectly flat, then there is no need to mount the excess. Drywall is installed on the adhesive. Here you need to acquire a quality composition, otherwise the work will be in vain. Also, any surface is treated with formulations to increase adhesion. Before fixing the building sheets, the reverse surface is also covered with a primer.
Under which finish is drywall mounted?
As already noted, drywall is a unique material that can serve as an independent finish or as a rough one. What is suitable for further fixation:
- Ceramic tile.
- Wallpaper.
- Compositions for whitewashing and coloring.
- Creating partitions and more.
In any case, all work must be carried out in a certain sequence so that the sheets are securely fixed.
Reviews of people about drywall sheets are very different. It all depends on the selected manufacturer. The bulk of the masters believes that it is necessary to use those materials that are produced taking into account the requirements of GOST. Technical conditions give a number of errors, which affects the reliability and duration of operation.
An important indicator is storage at the point of sale. With the wrong approach, oxen appear on the surface, which will subsequently affect the finish. In any case, finishing work using drywall sheets is considered to be of high quality and durable.
Conclusion
So, we examined what drywall is. As you can see, this is a very practical material that can be used in various fields. The cost of drywall sheets is small, which makes this material very popular in the market.