Light steel keel moisture-proof gypsum board ceiling which is the grass-roots which is the surface layer?
Nice, smooth, neat positive
Grass is the light steel keel, the surface layer is moisture gypsum board.
1, gypsum board ceiling does not require the floor, which is fixed on the light steel keel above. In order to prevent the board due to deformation cracking, there are ceiling to do double gypsum board ceiling.
2, if the ceiling has a shape, can be made of wood-based board to shape the profile of tires, and then seal the gypsum board to do latex paint.
3, in the wood grass-roots board on the batch of putty put the latex paint is not good, will crack, because the moisture absorption of wood products, it is recommended to seal the gypsum board cover again to do latex paint.
