Structure of gypsum plasterboard
Posted: Mon Feb 10, 2025 3:47 am
In terms of strength, plasterboard is inferior to stone, brick, concrete, wood, so it often needs additional protection. Often, the edges of plasterboard sheets break, corners chip off, and screw heads stick out unsightly. All these defects can be covered with plaster, although not every solution is suitable for plasterboard. Too croatia mobile database plaster will deform the sheets, and too wet a mass will cause destruction and a decrease in strength. Therefore, the question of how to plaster plasterboard is quite complex and requires making the right decisions.
Why do you need plastering of drywall?
The paper layer of plasterboard does not look very attractive. It is necessarily covered with decorative materials - wallpaper, paint. But when forming walls, ceilings and partitions, it is necessary to join sheets, and seams and caps of fasteners will show through thin finishing materials. Therefore, before painting the walls or gluing wallpaper, the plane of the plasterboard covering is smoothed with plaster.
Other situations where plastering is mandatory are:
Subsequent application of decorative plaster. To improve the quality of adhesion to the decor, first carry out regular plastering work.
Need for additional protection. Plaster will help protect the gypsum board from insects, rodents, mold, and external influences.
Sheet sagging and bending. When it is not possible to fix damaged structures, some problems can be solved by plastering.
Covering walls made of gypsum board with decorative plaster
Plaster must be applied to the entire sheet of plasterboard or only to the seams and joints. In any case, standard plastering work is possible with moisture-resistant material. Ordinary plasterboard sheets will be damaged by simple plaster, since it contains water. Only a building mixture that does not release moisture is suitable for them.
Plaster and putty - what's the difference
These materials have a common purpose - both are used to level various surfaces. However, the difference between plaster and putty is great:
Why do you need plastering of drywall?
The paper layer of plasterboard does not look very attractive. It is necessarily covered with decorative materials - wallpaper, paint. But when forming walls, ceilings and partitions, it is necessary to join sheets, and seams and caps of fasteners will show through thin finishing materials. Therefore, before painting the walls or gluing wallpaper, the plane of the plasterboard covering is smoothed with plaster.
Other situations where plastering is mandatory are:
Subsequent application of decorative plaster. To improve the quality of adhesion to the decor, first carry out regular plastering work.
Need for additional protection. Plaster will help protect the gypsum board from insects, rodents, mold, and external influences.
Sheet sagging and bending. When it is not possible to fix damaged structures, some problems can be solved by plastering.
Covering walls made of gypsum board with decorative plaster
Plaster must be applied to the entire sheet of plasterboard or only to the seams and joints. In any case, standard plastering work is possible with moisture-resistant material. Ordinary plasterboard sheets will be damaged by simple plaster, since it contains water. Only a building mixture that does not release moisture is suitable for them.
Plaster and putty - what's the difference
These materials have a common purpose - both are used to level various surfaces. However, the difference between plaster and putty is great: