Gypsum board secondary ceiling generally out how much
Gypsum board is a kind of material made of building gypsum as the main raw material. It is a light weight, high strength, thinner thickness, easy processing and insulation and fire insulation and other properties of better building materials, is currently focused on the development of one of the new lightweight sheet. Gypsum board has been widely used in residential, office buildings, shops, hotels and industrial plants and other buildings within the wall, wall panels (instead of wall plaster layer), ceilings, sound-absorbing panels, ground floor boards and the Such as decorative plates.
15 centimeters or so, the inside can be installed reflective light tank.
