How do you paint a stone on a gypsum board?
Gypsum board can be sprayed with a really small stone spray gun or a real stone sprayer spray.
The general construction are coated with a layer of cement slurry, spray the real stone paint is rare.
Gypsum board spray really need to carry out the bottom of the stone processing Caixing, can not directly spray real stone paint
Construction substrate and real stone spray coating requirements:
(1) substrate for the waterproof gypsum board, the substrate surface layer should be flat, clean, and has a good strength, the surface can be dry before construction.
(2) square decorative column spray really stone paint: square column angular, it is easy due to uneven spraying and angular blurred, in order to spray convenient, spray about the edge of about 50cm, long distance spray, fog flowers scattered, large area And even if the distance is too close, a little attention will be thick, spray uneven, so that the edges and corners do not appear out, lost the original decorative column of the overall appearance of beauty.
In order to ensure the quality of the stone pits on the gypsum board, please follow the following construction methods:
1, waterproof gypsum board.
2, grass-roots treatment.
3, full of putty again; to be greasy layer of white on the layer of sanding, remove the mark;
4, spray primer 2 times, interval of 2 hours, the thickness of about 30 microns, dry at room temperature for 12 hours.
5, polished: 400 - 600 mesh sandpaper, gently wipe the surface of the real stone can be raised sand. Note
Intended to force can not be too fierce, otherwise it will damage the film, causing the bottom of the loose, serious will cause poor adhesion, really stone off.
6, spray paint twice: the next pot spray gun, pressure 4-7 kg / square centimeter, the construction is not less than
10 degrees Celsius, interval of 2 hours, the thickness of about 30 microns, completely dry to 7 days.
