What kind of drywall to use on the wall. Plasterboard for interior partition

Hello, dear readers!
Recently my team and I finished working on big project. When choosing building materials, we tried to take into account many details and experiment a little. Now there are two clear leaders in the market for drywall manufacturers - Volma and Knauf. There is no clear opinion which material is better. We decided to conduct our own experiment - in the room we made a ceiling based on Knauf gypsum boards, and in the hallway we used Volma. What came out of this and what conclusions I came to - read in this article.

The properties of gypsum plasterboard are determined by the following indicators:

The strength and quality of sheets for walls, ceilings, floors or decorative finishing.
Sufficient degree of moisture resistance and fire resistance.
Availability of branded hangers and metal profiles for installation and its manufacturability.
Quantity and quality of installation tools.
Availability of branded materials for surface finishing.
Price and quality of the entire range of work.

Installation of metal frame and guides

If we compare which is better: Knauf or Volma plasterboard according to the above properties, then one of the main technological aspects is the assembly of metal structures for the installation of sheets. The consumer of this product, having paid the costs, should know that he received high-quality metal structures for the frame of a wall, partition, frame for the ceiling or floor.

These structures during operation are dangerous to the life and health of a person and his family.

Drywall Knauf

Knauf produces and sells all the necessary frame sets for walls, partitions, and floors in its stores. All clients are offered a specialized tool to perform technological processes. In addition to the tools, all mounting materials are available. Developed by Knauf employees educational material with step-by-step instructions.

This centralization of building materials stimulates the emergence of specialized teams of builders with good quality works
This trade policy of the Knauf enterprise is the main advantage in the building materials market.

Volma Corporation does not supply metal frame structures to our market. The absence of branded profiles, fasteners and tools does not mean that Volma construction plasterboard is inferior to competitors.

If the consumer finds out that he needs this product, then metal frame structures are available for sale in large quantities. It is possible to carry out work on installing the frame for Volma sheets, and it is possible from profiles from any manufacturers, including the Knauf concern.

Tools and components for drywall are also produced and sold different manufacturers. Standard sizes of plasterboard sheets from all manufacturers comply with the product certification system in the Russian Federation.

When determining the effectiveness of installation work on the installation of partitions, interior walls and plasterboard ceilings, it is necessary to evaluate the estimated cost finished products without finishing work.

If we take partitions and ceilings measuring 9 m2 for analysis, then after drawing up the estimated cost for gypsum board Knauf and gypsum board Volma we will determine efficient material. We will determine the cost based on the cost of the sheets, since all other volumes of materials will be the same.

Knauf plasterboard sheet - consumption 36.45 sq. m. - cost 110 rub. sq. m. = 4009.5 rub.

Volma plasterboard sheet - consumption 36.45 sq. m. - cost 70 rub. sq. m. = 2551.5 rub.

Sheet plasterboard Knauf+ 5% for pruning - consumption 9 sq. m. - cost 62 rubles. sq. m. = 558 rub.

Ceiling on a single-level metal frame made of Volma plasterboard

Volma plasterboard sheet + 5% for trimming - consumption 9 sq. m. - cost 48 rubles. sq. m. = 432 rub.

Finishing

To further compare the cost of a completely finished surface of the partition and ceiling, we will consider the option of overusing finishing materials by 20% due to the poor quality of the front surface of Volma plasterboard.

Knauf plasterboard ceiling

Quality Knauf products high. This determines the high price plasterboard Knauf and all components.

Despite this, production and sales volumes are increasing every year. But one cannot ignore the need for low-budget Volma products.

Inferior to the quality of drywall after small financial costs, as approximate calculations have shown, quite decent final results can be achieved.

Of course, the Volma plasterboard material is not a defective product. The company specializes not only in sheet plasterboard, but also plasterboard blocks. Which construction material The consumer chooses to buy depending on the location of construction and financial capabilities. In any case, both types of gypsum concrete are a cheap type of finishing of buildings and structures.

source: //gipsokarton-blog.ru/instrument-i-materialy/gipsokarton-volma-ili-knauf.html

Drywall, which has gained considerable popularity in Russian market finishing building materials, produced by a number of manufacturers. The brands “KNAUF”, “Giprok”, “Lafarge”, “Rigips”, “Belgips” and others are widely known. Among the manufacturing enterprises is the VOLMA company, formed on the basis of the Volgograd gypsum plant with a network of branches. In terms of sales volumes, VOLMA gypsum board ranks second in Russia, second only to KNAUF products.

Product range

The VOLMA company produces the following types of plasterboard:

standard plasterboard;
moisture-resistant gypsum board (water absorption no more than 5%);
fire-resistant gypsum plasterboard (minimum exposure time open fire- 20 minutes);
moisture-resistant fire-resistant GKLVO (combines the properties of moisture-resistant and fire-resistant plasterboard).

Sheets of all types have the same standard dimensions (in mm):

length - 2500;
width - 1200;
thickness: GKL and GKLV - 9.5 and 12.5, GKLO and GKLVO - 12.5.

At the request of the customer, the company can produce sheets 3000 mm long, which are used for finishing walls and constructing partitions in rooms with high ceilings. The thickness of these sheets is 12.5 mm.

Description and marking

VOLMA plasterboard is produced with a thinned edge, thanks to which the joint of the sheets becomes invisible after puttying. The shape of the ends is rectangular, the surface of the sheet is perfectly flat.

By choosing manufacturers of building materials that are well-known and familiar to you, you guarantee yourself complete success in the work performed.

Colors of facing board and markings

Drywall markings include the following designations:

name "VOLMA-List";
letter abbreviation indicating the type of drywall: StP for GKL, StPV for GKLV, StPO for GKLO, StPVO for GKLVO (StP - building board);
type of longitudinal edge;
a series of numbers corresponding to the length, width and thickness of the sheet, expressed in mm;
TU number.

An example of marking of moisture-resistant fire-resistant sheets GKLVO with a thinned edge of the UK, length 3000, width 1200 and thickness 12.5 mm:

Comparative characteristics, features and differences

Unlike other brands, VOLMA plasterboard is produced not according to GOST, but according to specifications, which is associated with the improvement of a number of parameters (strength, surface density, vapor permeability, water absorption).
When produced into a liquid composition gypsum mixture non-traditional materials such as sugar and starch are added to improve the adhesion of the gypsum core and facing board.
In terms of application, VOLMA gypsum boards do not have any special differences from other brands of plasterboard.
Attention should mainly be paid to the need to make a deeper cut, otherwise a break will result in an uneven edge.

Reviews

Reviews about plasterboard sheets from the VOLMA company are quite contradictory; some buyers are not satisfied with the quality. The main complaints come from the wavy surface, which has to be carefully plastered and puttied, and the greater weight. At the same time, many believe that the unevenness of the sheets is a consequence of improper storage in the store’s warehouse, and in general, VOLMA plasterboard is not inferior to the products of its main competitor, the KNAUF company, and is also cheaper.

Drywall has established itself as a durable and strong finishing material, used for covering surfaces, constructing arches, partitions, and various curved decorative fragments. When choosing suitable plasterboard panels, their product range and optimal standard size are taken into account. Proper calculation of the second indicator allows you to minimize the amount of waste, that is, save a lot of money. Next we will talk about what type of drywall is best to select in a particular case, and what its characteristics should be perfect sizes.

General information about GC panels

When choosing GC slabs, it is assumed that Finishing work will be conducted using the “dry” method. And the basis of the structures will be taken exactly from silica material. Other materials can be used as auxiliary materials for connecting, installing and finishing the base ones. The GC sheet has two components - a gypsum flat core and its frame in the form of durable cardboard.

Despite its small thickness, plasterboard for walls, arches and ceilings has a sufficient margin of safety. Such a popular material as wall plasterboard is very tough, and its internal gypsum content can be supplemented with various components to achieve certain qualities.

Species diversity of drywall

To correctly calculate the amount of material, you need to know the dimensions of the wall plasterboard. Having information about the range of types of material will help a lot here, because each type has distinctive dimensions.

According to the properties, wall or ceiling plasterboard is divided into the following types:

ordinary (indicated by the abbreviation GKL) is distinguished by a light color (gray, beige);
moisture resistant (GKLv) - sheets with a greenish tint;
fire-resistant (GKLo) is identified by its pink color;
moisture-fire-resistant (or GKLvo) - the color can be green or pink.

GKL

This type of panels has a standard structure in the form of a gypsum layer and thick cardboard on it. It is meant to be installed in rooms with normal humidity conditions. Thanks to its light weight and flexibility for cutting, working with gypsum board is extremely convenient.

The production of ordinary sheets is carried out in accordance with GOST 6266-97 according to the German quality standard. A thin rounded edge (PLUK) is used at the joints. The cardboard and gypsum contents are glued together using a special adhesive composition. Cardboard takes on the functions of a reinforcing frame and serves as a universal surface for subsequent finishing - painting, decorative plastering, wallpapering or tiling.

The manufacturer puts special marks on each sheet indicating:

letter abbreviated name of the species;
abbreviated name for edge type;
leaf shape dimensions;
compliance with the standard.

For example, on standard sheet can be applied - GKL-A-PLUK-2700x1200x12.5 GOST 6266-97.

GKLO

Fire-resistant gypsum boards are ideal for finishing non-residential utility areas and for constructing partitions. Due to their ability to resist ignition, they are used to cover surfaces located near heating devices (fireplaces, stoves).

GKLV

A moisture-resistant variety of HA is created to improve rooms with high humidity conditions(kitchens, bathrooms, toilets). It contains additives that improve water repellency. Due to this, the material retains its shape and does not deform. This type of gypsum board has good resistance to the development of mold and fungi. For finishing country house This type of waterproofing system is preferable, since apartments in a private residential building always have higher moisture levels than rooms in a comfortable apartment.

GKLVO

This moisture-fire-resistant material combines two properties at once, which become clear from its name.

Sheets with specific application

The list does not end with these types of gypsum boards. There are also types of panels that differ in the specific purpose.

For example, gypsum fiber board or gypsum fiber sheets. The composition of such boards is a gypsum base with the addition of cellulose fibers. Gypsum fiber is stronger and more rigid compared to gypsum plasterboard. Such surfaces are not subject to the effects of fire; they are distinguished by a smooth surface.

Sheets based on gypsum fiber are used as a flooring base for tiles, for outdoor finishing and construction work(frame structures of houses are assembled from them). Their installation is also permitted in rooms with a high degree of moisture formation. But for these purposes, special panels are chosen that are not susceptible to moisture - gvlv.

In addition to these types of drywall, manufacturers offer another type of material - sheets intended for repair. With their help, it is possible to correct individual small flaws in ready-made designs, formed during their operation.

There are also sheets available for sale that:

differ in the ability to isolate from noise;
have protection from winds (required when facing facade surfaces);
have a thermal insulation function;
supplemented with layers - vapor barrier and polymer foam;
endowed with the ability to absorb electromagnetic waves;
are excellent conductors of heat (included in heated floors or ceilings with cooling).

There is another classification of gypsum sheets, which is based on their purpose and the corresponding standard size:

for walls (layer thickness - 12.5 mm);
for ceilings (9.5 mm thick);
arched main body (has minimum thickness- 6 mm or 6.5).

The difference between arched panels is that they are easy to bend. And this good property, which helps in creating arched and curved openings. Ceiling slabs are used to seal the ceiling part of rooms, giving them multi-tiered shapes. And wall plasterboard is used for the construction of partitions and wall coverings.

Typical sizes of gypsum sheets

Standard sheet length

The standard length for drywall is considered to be 2, 2, 5 or 3 meters. However, some manufacturers are not limited to these limits and produce panels with a length of 1.5, 2, 7 or 3.6 meters. If necessary, some manufacturers, at the request of consumers, agree to immediately give the sheets non-typical sizes, for which they cut the material directly in the factory.

To cover the entire wall plane (under the ceiling), it is advisable to purchase sheets with a maximum length corresponding to the height of the walls. This creates fewer seams that will have to be sealed later. However, with a ceiling height of 2.7 meters, the use of three-meter panels is very inconvenient. Here difficulties arise with transporting the material and delivering it to the apartment. Because sometimes it's easier to choose Alternative option- several panels are not the same length.

Standard width of GC sheets

The optimal width of the sheets is 1.2 meters. Why are frame racks mounted in increments of 0.4, 0.6 meters? Sheets of smaller format can also be found on sale today. Their width is only 0.6 meters, and their length is 2 (or 1.5) meters. Small-sized sheets are easier to transport by passenger transport. And their installation is also possible alone. However, it is recommended to limit their use to small surfaces. Otherwise, many seams will form. Flexible gypsum board can also have a narrow width (for example, a type of gypsum board called GKLD has a width of 1.2 m).

Thickness standard for gypsum sheets

The standard thickness of drywall may vary. These are 6 (6.5), 9 (9.5) or 12.5 mm. Plates with improved characteristics in terms of strength and fire resistance can have a thickness of 15, 18 and even 25 mm.

To decorate the walls, plasterboard with a layer thickness of 12.5 mm is purchased. The use of “dry” repair technology became possible largely thanks to this species building material.

For the construction of floating ceiling structures, choose ceiling tiles with a thickness of 9.5 mm. For suspended ceilings it is possible to use and wall slabs, however more high price the latter and the heaviness of the structure being created are not in favor of covering the ceiling with wall slabs.

Drywall with a minimum thickness (6 mm) is called arched. And for a reason. It lends itself well to rounding, which makes it possible to create semicircular and shaped elements from it.

The selection of the sizes of GC sheets proceeds after clarifying the required area of the room. With a wall height of 2.7 m, doubt often arises as to which length of sheets would be more appropriate - three meters with subsequent cutting on site or 2.5 meters with the addition of a piece of drywall of the missing length. In such a case, today it is possible to place an order with the manufacturer, immediately indicating right size sheets.

If this is not possible for any reason, then it is best to adhere to the principle of installing HA sheets, which provides for minimal formation of seams when joining panels. Beginners should take this into account when choosing the appropriate size of wall cladding.

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Determining what thickness of drywall is best for walls

If you don’t know the intricacies of construction skills, it’s difficult to figure out what thickness of plasterboard is best to choose for walls. The fact is that the dimensions of the slab, the thickness of the gypsum board sheet and the purpose of different types finishing materials are different. And it is important not to make the mistake of not using wall plasterboard for the ceiling or vice versa.

Drywall on the wall

Which type is better to choose for walls?

The use of gypsum plasterboard, like gypsum fiber board, for leveling wall surfaces has gained wide popularity, and for good reason.

After all, these materials have many advantages:

easy to cut and quickly assembled;
work is performed with dry material;
it is possible to choose between budget plasterboard and more expensive gypsum board.

When choosing a material for leveling surfaces, it’s easy to get confused, because plasterboard is produced not only for finishing walls. And depending on the surface for which the gypsum plaster boards are intended, the dimensions and thickness of the sheet will also differ.

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Thickness of gypsum plasterboard (plasterboard) for walls

The thickness of the plasterboard for wall partitions determines the strength of the future structure. At the same time, taking into account that walls made of plasterboard sheets (GKL) are made both with laying slabs in one layer and in two layers, the optimal thickness of the material will vary depending on the type of structure chosen.

What will determine the thickness of the sheet?

The first and most important parameter, which will be further influenced by the choice of gypsum board of one thickness or another, is, of course, the strength of the partition. Therefore, when making a purchase decision certain type sheet, always analyze what loads it will have to be designed for future wall. If it is a partition somewhere in an area of active regular movement, for example in a corridor or in an area doorway, then you should choose a more durable design.

Be sure to consider what type of partition will be organized. Among standard plasterboard structures there are single- and double-layer partitions or cladding systems, as well as cladding with direct attachment to base wall(see diagram No. 1).

Obviously, a gypsum board sheet that fits tightly to the wall, even if it is a little thinner, will be a fairly strong base. If we're talking about about a single-layer partition or cladding system, then you should think twice before settling on plasterboard with less material thickness.

Another important factor, which determines what thickness of drywall to choose, is in the sphere of professional experience of the craftsmen performing installation work for installing partitions or cladding. The fact is that for sheets with a standard thickness, standards are provided for the distance between the placement points of the metal frame profiles on which the plasterboard sheets are supported.

If these standards are not observed, the quality of the material of the racks and frame guides is poor, as well as deviations from optimal technology installation, thinner gypsum board sheets will not be the best choice for installation in an already unreliable structure.

As can be seen in the diagrams, the profile installation pitch is 600 mm or 60 cm. Here, the topmost layer is the wall material, just below is a layer of dry plaster, then an empty space and wavy lines indicate the space for laying communications. The last bottom layer is gypsum board slabs of standard thickness. If preference is given to slightly thinner gypsum boards, then this step will need to be reduced to 30-40 cm.

Standard sheet thickness for walls

As mentioned earlier, all standards for calculating plasterboard partitions refer to the generally accepted recommended sheet thickness. So, the standard thickness of plasterboard for walls is 12.5 mm. Alternatively, slightly thinner slabs are also used - 9.5 mm. Discussing various options in the matter of choosing the thickness of plasterboard walls or cladding, it is appropriate to talk only about these two numbers - 12.5 mm and 9.5 mm.

Plasterboard-based slabs are also made with several other thicknesses, but the vast majority of the material used in finishing the ceiling and walls has one of the two thicknesses indicated. In the table below you can see the dependence of the weight of the plasterboard sheet on its thickness and other dimensional indicators. In general, the mass parameter is calculated based on the area of the slab, since they come in different sizes.

Based on the data indicated in the table, you can calculate the weight of the slab based on known dimensions, as well as find out the total weight of the gypsum plasterboard material required to finish a surface of a certain area.

Which thickness should I choose: 12.5 mm or 9.5 mm?

It was mentioned earlier that professionals recommend using 12.5 mm sheets for wall decoration. However, if you are planning a more reinforced structure, you can make a two-layer partition or cladding using an interlayer of two 9.5 mm slabs.

Also, for a 9.5 mm thick plasterboard wall there is an important limitation - lamps, air conditioners, heaters or furniture weighing more than 2.5 kg cannot be hung on it without special preparation of the frame for these devices.

12.5 mm gypsum boards require a standard spacing of frame profiles - 60 cm, a thinner 9.5 mm analogue requires the installation of metal racks at a distance of every 30-40 cm. Also pay special attention to the quality of the metal from which the metal profile is made, as it must have increased strength when using thinner slabs.

When arranging the walls in the bathroom, only moisture-resistant gypsum boards with a thickness of 12.5 mm are suitable, followed by finishing them with tiles or protective paint. paint and varnish compositions.

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Why drywall is not the best choice for walls: comparing alternatives

It’s rare that a redevelopment can be done without erecting new partitions, unless you decide to make a studio and are just tearing down the old walls. New walls can be built from piece materials, such as brick, slabs and blocks of various compositions - we have already talked about them in the article “From brick to glass blocks: what to build interior partitions from.” Or use sheet materials. There are three most popular today, and we are ready to tell you about all their pros, cons and features so that you can choose the best one.

1. Plasterboard sheet (GKL)

Gypsum board is a sheet of gypsum wrapped thick paper, measuring 1200x2500x12.5 mm and weighing 29 kg. It can also be thinner - 9 mm wide, but this option is very fragile. It is mounted like this: first, a frame is formed from metal profile, then plasterboard sheets are sewn onto the frame in two layers, overlapping on all sides. The final wall thickness will depend on the width of the metal profile used 50/65/75/100 and will be 100/115/125/150 mm, respectively. GCR is sheathed not only on walls, but also on ceilings.

Also available in waterproof plasterboard sheet(GKLV) is green in color, but it is conditionally waterproof: with constant exposure to water, such sheets will swell, even if they are covered with tiles on top. It is better not to use it in “wet” rooms at all.

GCR cost: 250-350 rubles/piece. GKLV will be more expensive.

It is convenient to lay communications inside the frame, which is sheathed with gypsum board.
Easy installation.
If you mount the frame on top of the floor screed, the plasterboard wall can be dismantled and rebuilt as needed.
Very light material, gives very little load on the floors.

1 m² of plasterboard wall can withstand no more than 20 kg facing material. That is, the tile will withstand normally, but porcelain stoneware is no longer a fact. If overloaded, the finish will soon fall off along with a layer of cardboard, exposing the plaster.
On one butterfly dowel (the tip of which opens after screwing) in plasterboard wall an object weighing no more than 10 kg will be held, and on the ceiling - no more than 4 (you will have to make a cutout under the curtain rod or lay a beam on the ceiling). If you want to hang something heavier, you need to know in advance where exactly and lay a beam or profile there.
Very poor sound insulation.
Low strength - dents remain from impacts.
Use with great care in damp areas.

2. Gypsum fiber sheet (GVL)

GVL also consists mainly of gypsum, but is reinforced with various environmental additives. The assortment includes PC sheets - with a straight edge, they are intended for walls, and FC - an edge with a recess (for the floor). There is also a GVLV (waterproof gypsum fiber sheet) in stock: it does not differ in color in any way, it only has a seal indicating moisture resistance.

Dimensions of the gypsum fiber sheet are 2500 x 1200 x 10/12.5 mm, weight 36/42 kg. More often, a thickness of 10 mm is used for interior partitions. Metal carcass sheathe GVL sheets in one layer, unlike gypsum board. To improve sound insulation, you can make two layers, but then it is better to combine: one layer of gypsum fiber board, the other of gypsum plasterboard.

Thickness of the final single-layer gypsum fiber board partition 10 mm: 70/85/95/120 mm depending on the width of the selected profile.

Cost: 450-500 rub./piece. The final wall is approximately the same in cost for gypsum plasterboard and gypsum board, since gypsum plasterboard is mounted in two layers, and gypsum board in one.

The butterfly dowel can already withstand up to 20 kg on the wall and up to 8 kg on the ceiling, which is two times higher than that of gypsum plasterboard.
Non-flammable material, can be used in saunas.
Good water resistance, can be used in the bathroom; Even a frame for a bathtub or sink can be made from GVLV.
It is well processed to create complex shapes: arches, convexities, concavities.
It is convenient to lay communications inside the frame, which is sheathed with GVL.
Easy installation.
The wall turns out smooth and does not require additional leveling.
If you install the frame on top of the floor screed, the gypsum fiber wall can be dismantled and rebuilt as needed.

Drywall has proven itself to be durable and reliable material used for finishing various surfaces. They can not only decorate the interior, but also make a partition, thereby turning one room into two. The undeniable advantage of this material is big choice sizes and designs, which allows you to choose drywall for finishing different rooms.

Pros and cons of finishing walls with plasterboard

Before choosing a finishing material, you need to learn about all its advantages and disadvantages. Knowing all these nuances, you will prevent all possible unpleasant surprises during repairs and future operation.

Drywall has many positive properties.

Thermal insulation. Plasterboard walls allow you to save on heating costs, especially if they are additionally insulated with foam plastic or mineral wool.
Flexibility. You can make absolutely any shape from this material, allowing you to create truly original interior. Often found in apartments instead of a door beautiful arches. You can also make niches from plasterboard and install built-in lamps in them.

Fire resistance. If a fire suddenly starts, only the top cardboard layer will catch fire. In catalogs construction stores There are special sheets that are completely resistant to fire.
Moisture resistance. Drywall can be installed in the kitchen and bathroom: in conditions high humidity the material does not deform or collapse.
It is easy to hide communications behind drywall. The space that remains after installing the plasterboard panel can be filled with unnecessary wires. But do not forget to make inspection hatches that will provide access to communications.

In addition to its advantages, like any other building material, drywall also has several disadvantages. Please note that it is fragile.

During transportation, installation or heavy loads, the sheet may crack, so you must work with it extremely carefully.

If you plan to make a partition from plasterboard, it is better to use a sound-proofing material, such as mineral wool: the material itself does not absorb sound. And finally, plasterboard shelves are not able to withstand the weight, so installing, for example, a TV on them will not work - you must first make a frame.

What determines the thickness of the sheet?

The choice of parameters for a gypsum board sheet is very important, as it reduces the amount of material used and allows you to save financial resources. Thickness occupies a special place, because strength depends on it.

Drywall is designed for “dry” work, when the sheet and frame are the basis of the structure. It is made by pressing a gypsum mixture between two sheets of cardboard. Special substances are added to the core, which give the sheet the required characteristics depending on its purpose.

The greater the thickness, the higher the rigidity and strength.

The main parameter that will be affected in the future by the selected thickness of drywall is, of course, strength. When choosing a material, think about what loads it will be designed for. future design. For partitions, it is important to choose the right type plasterboard construction: single-layer, double-layer or facing. The range also includes claddings with fastening to the base wall.

Another important parameter on which the choice of sheet thickness depends is its installation. For sheets with a standard thickness, standards are established for the distance between the points of location of the metal frame profiles on which the drywall is attached. If you ignore these standards and choose a material with low-quality racks, and drywall with a small thickness, then the structure will not be reliable at all.

Standard sizes

Each type of plasterboard sheet is designed for specific work, so when choosing a material, be sure to take into account all its characteristics, especially thickness.

There are the following types of gypsum boards.

Wall. The thickness is 12.5 mm. It does not contain any additional additives. Some experts use this material for finishing the ceiling.
Ceiling. Has a thickness of 9.5 mm. It also contains no additives. This type of drywall can also be used for slightly curved partitions, arched openings. The undeniable advantage of such sheets is their affordable cost.

Moisture resistant. Maximum thickness 12.5 mm. Designed for rooms with high humidity. Hydrophobic substances are added to the core, which add strength to the material.
Fire resistant. Typical thickness is 12.5-16 mm. Used for installation in rooms with high fire safety standards. The core contains reinforcing additives. In the event of a fire, only cardboard will char, plaster will not burn.
Arched. Minimum thickness 0.6 cm. Used for the production of all kinds of curved parts. The core contains fiberglass; due to its small thickness, the material can bend without damage. However, the cost of this drywall is too high.

Manufacturers offer standard length in three standard sizes: 2 m, 2.5 m, 3 m. But in catalogs you can also find sheets of 1.5 m, 2.7 m and even 4 m. Thanks to this, each buyer can choose the most optimal option for him.

It is more practical to use material with a longer length, since as a result of its use there will be fewer joints on the wall. This size is convenient to use for finishing work.

As for the width, the standard size not long ago was 1200 mm for all types of drywall. Today, every company’s assortment should include sheets with a smaller thickness - 600x1200 mm. This size greatly facilitates the process of installing the material, but is not always convenient to use. Drywall with this thickness is not suitable for finishing large surfaces due to the large number of joints.

Scope of application

Drywall is successfully used for leveling walls, installing partitions and much more. Also, multi-tiered figured ceilings are made from this material, which allow you to hide surface imperfections, beams, as well as all kinds of decorative elements, such as niches, columns. The drywall is attached to the base using a frame made of a metal profile or mounting adhesive.

Depending on the area of its application, three types of material are distinguished.

Arched. It has the smallest width and additional fiberglass reinforcement. It is used to install structures with complex shapes. Also, the use of such material is only appropriate in rooms protected from mechanical influences. From arched plasterboard you can make partitions, niches, multi-level ceilings and much more.
Wall. It is used for finishing walls and installing light partitions. It is important that there is no open fire or high humidity in the room.
Ceiling. 3 mm thinner than wall. It is used to create multi-level ceilings. There are types that can withstand high humidity conditions, so this drywall can even be used in the bathroom.

Don't forget that drywall is fragile. Be as careful as possible both during transportation of the material and during its installation.

So that the renovation of the premises does not “bring” unexpected surprises, great attention must be paid to the choice quality material. Design and production technologies do not stand still, but when choosing new models it is better to give preference to proven brands with a good reputation.

When choosing drywall, you must take into account its strength and reliability in accordance with the operating conditions of the material. Also pay attention to the environmental friendliness of the product.

Only well-reputed manufacturers guarantee that no toxic or hazardous substances are used in the production of sheets. This is confirmed by the corresponding safety certificates - do not forget to ask the seller for them.

To prevent the wrong choice of plasterboard sheet, use the following recommendations.

If you want to purchase a time-tested product, go to the brand stores of companies that have earned great amount positive feedback.
Before purchasing, carefully inspect the sheets and consider the conditions in which they are stored.
There should be no defects on the surface of the material various kinds, namely dents and cracks. The paper should not move away from the core or curl on the back side. The edges of the edge must be smooth.

Special attention must be devoted to loading the material. If you finally managed to choose the perfect drywall sheet, this does not mean at all that it will remain so when it is delivered to its destination. That is why be sure to control the loading and delivery of material.
If you need a large number of sheets, you shouldn’t buy everything at once - take some drywall “for testing”. Cut a small piece from the sheet and carefully examine it: the core should be uniform, the cut should be even, and the knife should move smoothly when cutting.
Saving is good, but not always. Having decided to buy the most cheap option, you risk getting on flimsy cardboard that will be impossible to work with. Choose sheets with optimal ratio prices and quality.

Drywall has established itself as a durable and strong finishing material, used for covering surfaces, constructing arches, partitions, and various curved decorative fragments. When choosing suitable plasterboard panels, their product range and optimal standard size are taken into account. Proper calculation of the second indicator allows you to minimize the amount of waste, that is, save a lot of money. Next, we will talk about what type of drywall is best to choose in a particular case, and what its ideal dimensions should be.

What is this article about?

General information about GC panels

When choosing gypsum slabs, it is assumed that the finishing work will be carried out using the “dry” method. And the basis of the structures will be taken exactly from silica material. Other materials can be used as auxiliary materials for connecting, installing and finishing the base ones. The GC sheet has two components - a gypsum flat core and its frame in the form of durable cardboard.

Species diversity of drywall

According to the properties, wall or ceiling plasterboard is divided into the following types:

ordinary (indicated by the abbreviation GKL) is distinguished by a light color (gray, beige);
moisture resistant (GKLv) - sheets with a greenish tint;
fire-resistant (GKLo) is identified by its pink color;
moisture-fire-resistant (or GKLvo) - the color can be green or pink.

GKL

The manufacturer puts special marks on each sheet indicating:

letter abbreviated name of the species;
abbreviated name for edge type;
leaf shape dimensions;
compliance with the standard.

For example, on a standard sheet it can be applied - GKL-A-PLUK-2700x1200x12.5 GOST 6266-97.

GKLO

GKLV

A moisture-resistant variety of HA is created for improving rooms with high humidity conditions (kitchens, bathrooms, toilets). It contains additives that improve water repellency. Due to this, the material retains its shape and does not deform. This type of gypsum board has good resistance to the development of mold and fungi. For finishing a country house, this particular type of HA is preferable, since apartments in a private residential building always have higher moisture levels than rooms in a comfortable apartment.

GKLVO

This moisture-fire-resistant material combines two properties at once, which become clear from its name.

Sheets with specific application

The list does not end with these types of gypsum boards. There are also types of panels that differ in the specific purpose.

Sheets based on gypsum fiber are used as a floor base for tiles, for street finishing and construction work (frame structures of houses are assembled from them). Their installation is also permitted in rooms with a high degree of moisture formation. But for these purposes, special panels are chosen that are not susceptible to moisture - gvlv.

There are also sheets available for sale that:

differ in the ability to isolate from noise;
have protection from winds (required when facing façade surfaces);
have a thermal insulation function;
supplemented with layers - vapor barrier and polymer foam;
endowed with the ability to absorb electromagnetic waves;
are excellent conductors of heat (included in heated floors or ceilings with cooling).

There is another classification of gypsum sheets, which is based on their purpose and the corresponding standard size:

for walls (layer thickness - 12.5 mm);
for ceilings (9.5 mm thick);
arched gk (has a minimum thickness of 6 mm or 6.5).

The difference between arched panels is that they are easy to bend. And this is a good property that helps when creating arched and curved openings. Ceiling slabs are used to seal the ceiling part of rooms, giving them multi-tiered shapes. And wall plasterboard is used for the construction of partitions and wall coverings.

Typical sizes of gypsum sheets

Standard sheet length

To cover the entire wall plane (under the ceiling), it is advisable to purchase sheets with a maximum length corresponding to the height of the walls. This creates fewer seams that will have to be sealed later. However, with a ceiling height of 2.7 meters, the use of three-meter panels is very inconvenient. Here difficulties arise with transporting the material and delivering it to the apartment. Therefore, sometimes it is easier to choose an alternative option - several panels of unequal length.

Standard width of GC sheets

Thickness standard for gypsum sheets

To decorate the walls, plasterboard with a layer thickness of 12.5 mm is purchased. The use of “dry” repair technology became possible largely thanks to this type of building material.

For the construction of floating ceiling structures, choose ceiling slabs with a thickness of 9.5 mm. For suspended ceilings, it is also possible to use wall slabs, however, the higher price of the latter and the heaviness of the created structure are not in favor of covering the ceiling with wall slabs.

Drywall with a minimum thickness (6 mm) is called arched. And for a reason. It lends itself well to rounding, which makes it possible to create semicircular and shaped elements from it.

The selection of the sizes of GC sheets proceeds after clarifying the required area of the room. With a wall height of 2.7 m, doubt often arises as to which length of sheets would be more appropriate - three meters with subsequent cutting on site or 2.5 meters with the addition of a piece of drywall of the missing length. In such a case, today it is possible to place an order to the manufacturer, immediately indicating the required sheet size.

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