The gypsum board ceiling is brushed with putty, and the latex paint is yellow and discolored, what i

Gypsum board ceilings need to be painted with latex paint. The gypsum board ceiling is the same as the blank ceiling. Gypsum board can not be directly brushed on the gypsum board, gypsum board is made of two layers of paper sandwiched with gypsum powder, direct brushing will absorb all the moisture of the latex paint into the interior of the gypsum board. >>>More

The reason for the rust is very simple, that is, when sealing the plasterboard, it is a code nail. This kind of nail works fast but will rust It is best to use self-tapping nails The nail cap has anti-rust paint, it will not rust and it is strong, it is a carpenter master It takes a little effort But now the ceiling uses self-tapping nails, and the Martin era has long been outdated.

It may be caused by rust of the drywall nails used for fixation. After fixing the drywall. It is best to apply anti-rust paint to the drywall nails.

The bulge may be due to the fact that the screws are not tightened, try to drill in it again with a hand drill. Be careful not to drill too hard to prevent the drywall from breaking.

Gypsum board ceilings need to be painted with latex paint. The gypsum board ceiling is the same as the blank ceiling. Gypsum board can not be directly brushed on the gypsum board, gypsum board is made of two layers of paper sandwiched with gypsum powder, direct brushing will absorb all the moisture of the latex paint into the interior of the gypsum board. >>>More