How to deal with the better to prevent cracking If you do not use gypsum board only nine plates above the plate to do what treatment
Gypsum board between the gypsum board and the wall between the joints, are leaving about 1 to 2 cm of the gap, first with the cracks fill the flat, and then double paste kraft paper, and then scraping putty. Wood keel moisture content must be controlled at 12% or less, and "keel" must be strong, can not appear a little loose phenomenon, so you can prevent gypsum board ceiling cracks. Gypsum board when the gypsum board and the top surface, the wall left about 0.5 cm gap, with gypsum powder plus latex to reconcile the joints, to prevent the gypsum line cracking.
Approach
????? Sealant (Lafarge can be resistant and the like can be) with glue and mix well, pay attention to spatula to be flat. Check all the joints are filled and then dry after the general treatment of the next surface, Lafarge and the like brand of bandage soaked in water after the white latex paste covered in the seams, must use the brand's good bandage, or rework trouble. After drying can be done as a whole putty, and pay attention to the decoration company will require a bandage on the re-sealant effect will be better.
prevention
1, strict requirements of the boom set by the provisions of spacing, fastening screws to be consistent;
2, keel specifications and thickness to meet the requirements;
3, gypsum board thickness, material to meet the requirements;
4, the screw must be in the 100 ~ 150MM;
5, the construction process to be handled as required, the seam must be in the 5MM, with a stopper putty embedded in the gap two, after the grid cloth processing;
6, in the treatment of gypsum board ceiling joints at the crack, the construction process is very important. The use of general wood products is easier to crack.
