Why are the sizes of plasterboard important?

When repairing an apartment for popularity, drywall yields only to wallpaper. An important role is played by the dimensions of gypsum board when choosing it, since the mounting technology and the convenience of finishing finish depend on them.

Types of plasterboard

Depending on the thickness of the drywall sheet (GCR) and its properties (moisture-resistant, fire-resistant, universal), there are three main directions of its application: ceiling, wall and arch. Also distinguish types of GCR by type of edge (straight, semicircular, rounded or tapered), which is usually indicated in the labeling of the sheet.

It is advisable to finish the different surfaces from different types of GCR, which have not only different thicknesses but also different lengths. With all this, the standard size of gypsum cardboard provides a uniform width for all GCR types - 1.2 meters.

Dimensions of various types of plasterboard

To easily and accurately make repairs, you need to know the dimensions of drywall, designed for different sites. For example, for the device of shelves or niches it is better to use the smallest sheets, and for the device of arches or radius bends on the ceilings - the thinnest.

The most flexible and elastic is the arched gypsum board, which has a sheet thickness of only 6.5 millimeters. With its help sheath round, semicircular, curved openings.

Plasterboard wall is the most in demand today, as the standard size of a sheet of gypsum board, width 12.5 mm, is suitable both for installation on walls, and for the device of internal partitions, boxes, niches, shelves.

The greatest controversy among repairmen is about the thickness of the ceiling GCR. It is clear that I want to reduce the weight of the ceiling structure, save on the profiles, which is why most people use the GKL sheets with a thickness of 9 mm for the ceiling. But the manufacturers claim that it is more reasonable to put a wall sheet on the ceiling.

How does the size of gypsum board affect the weight of the structure

Dimensions of plasterboard, although offered in a wide range, but still more in demand standard sheets 6.5 (9.5 or 12.5) x120x2500 (2700, 3000 or 3300) mm. However, manufacturers also offer non-standard sizes: small sheets of exactly one-half the size of the standard 1200x600x12.5 mm, which are convenient to work on different heights of walls, or with increased thickness of 18, 20 and even 24 mm, which are used in rooms that require increased wear and durability.

For the arrangement of partitions it is better to take sheets of longer length, manufacturers offer in length the dimensions of plasterboard to 4.8 meters. For radius seals, experts advise using two layers of 9.5-millimeter sheets.

When walling and GKL ceiling, it often becomes necessary to know how many sheets are needed, and what will be the weight of the structure. The table shows the data for the standard wall sheet.

Sheet dimensions (mm)

Weight, kg)

Area (m 2 )

Standard sheet of wall gypsum plasterboard with a thickness of 1.25 cm













If the ceiling is calculated, for example, 3 m 2 of the ceiling from a standard 9.5 mm sheet will weigh five kilograms less. Accordingly, and the whole construction will be easier.

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