Gypsum board ceiling cracks how to repair after the crack will not be
Step 1, with a multi-function knife to remove loose gypsum. Turn the knife so that the gap is larger and make the lines of the edges clearer. Remove the gypsum debris and keep the walls around the gap in the structural integrity. Clean the loose gypsum and dust with a vacuum cleaner.
Step 2, the thick plaster mixed with water, and then stained with water paint brush completely wet the cracks. Fill the plaster in the wetted crack (or repair the mixture), and then use the scraper or mud knife to smooth the surface. Let the filled cracks at least dry for 24 hours.
Step 3, wait for gypsum dry, the medium sandpaper or fine sandpaper wrapped in wood outside, gently polished repair the place. If the cracks are wide, then at least once again cast a gypsum, so that the surface is smooth, and each time the place will be plaster again wet again. After finishing the last gypsum, let the area dry for at least 24 hours.
Step 4, once again gently polished repair the place, and then coated with a thin layer of paint or primer. After the end of the paint dry, give the whole wall paint.
To the hardware store, a dedicated gypsum adhesive
First with the filling putty filling, pay attention to be sure to fill into the gap inside the gap, can not be limited to the surface of the "entry", the surface to be flat, to be dry after the bandage at right angles to the gap, posted bandage Of white latex must be good quality products; and then putty putty, polished after the brush can be latex paint. Hope to help you, please adopt Thank you!
