Ceiling gypsum board should be sealed, L-shaped gypsum board should be made at the corner, and seams should be made at both sides of the right angle. If it is in the middle, it is easy to crack.
2. At the junction of gypsum board and wall top, internal corner strips can be used to avoid cracking, and the internal and external corner strips of gypsum board ceiling can be used to increase the stability of the junction corner.
3. Gypsum board Choose high-quality brand gypsum board, with uniform interior, less pores, uniform density and good moisture resistance. Before construction, the construction board should be placed in a cool and ventilated place, not exposed to the sun or placed in a humid environment. Light steel keel is also of high quality, poor quality and low purity. Too soft keel is easy to deform the ceiling and cause the gypsum board to crack.
4, gypsum board ceiling technology in strict accordance with the relevant standards, keel installation smoothness is good, the main keel, side keel docking, do not use damaged light steel keel. The keel frame is fixed firmly, firmly and without looseness. Avoid mixing wooden keel and light steel keel.
Extended data:
Gypsum board ceiling cracks:
First, fill the joint with caulking putty. Pay attention to let the caulking putty enter the gap, not just the surface. The surface should be flat. When it is dry, put a right-angle bandage on the gap. White latex with bandage must be a high-quality product. Then batch putty, polish and roll latex paint.
If it is a large area of cracks, cracks appear irregular cracks, it is necessary to dismantle the ceiling again, if left untreated, it may collapse. If it is a straight seam or there is a crack in the seam, just deal with the gap.