How to make gypsum board ceiling shape
First with wooden keel frame structure, ceiling wood keel should be coated with fire retardant paint, hanging on the main keel. Ladder-type ceiling with blockboard and wood composition. Wood keel do a good job after the paper gypsum board, paper gypsum board and keel connection must use self-tapping screws, screw head must enter the board 2mm or so, is strictly prohibited using gun nail, because the paper gypsum board strength is low, Small surface, easy to cause paper and gypsum board layer, and the paint construction caused great trouble. Gypsum board splicing should be left about 5mm gap, to prevent the damp expansion caused by the top of the arch. Paste gypsum board base treatment when applied anti-rust paint the screw point, otherwise the rust will penetrate the surface. And then the patchwork with elastic putty approved flattened with a white bandage, then full approval, the general approved scraping two to three times, dry after grinding smooth, and finally coated with paint. For the installation of the ceiling of the ceiling due to the low strength of the plaster board, so gypsum board and keel should be added between a layer of plywood, so that the installation and maintenance of the lamp when you can prevent damage to the plaster board, Of the installation of fastness.
Here to give you two programs, your own combination on the line, one is the wooden keel plywood wall construction, one is the light steel keel gypsum board ceiling works.
