Gypsum board brush latex paint how to deal with yellow
If only the surface of the latex paint, then you can directly continue to use latex paint roller brush to cover; if there is a crack or depression on the wall, then you can put these places putty layer, and then paste the bandage and filled with gypsum powder putty , And then ordinary putty leveling and polished smooth, and finally brush on the latex paint on the line. Newly renovated walls can be partially patched (brush latex paint), a long time, then the whole wall will have to brush again or twice, otherwise there will be traces of repair.
Latex paint yellow the best way to deal with the original paint layer is to remove the exposed base surface, red putty, and then brush latex paint. Latex paint yellow may have the following reasons:
Local leakage or grass-roots level of gypsum and putty, the water is not fully distributed on the late coat paint.
Latex paint is uneven, latex paint in the process of brushing have the order, because the latex paint are water-based materials, easy and air oxidation reaction, a long time will change, so the first brush is easy to start to turn yellow, If your latex paint is not done in a certain period of time, this may happen. And latex paint done, there will always be some tinkering, so the general experience of the construction will be the second and third times the latex paint separately, to be repaired in the brush last time, so the probability of yellowing will be Greatly reduced
Grass-roots anti-alkali caused by local yellowing, you can consider drying with sandpaper polished directly painted again anti-alkali primer, twice the finish, or remove the yellow part of the putty, in the grass-roots layering agent, Paint once again painted twice.
Directly on the gypsum board (plate) on the latex paint is easy to fall off and yellowing phenomenon, we must first primer, it is recommended to use the home of the board of people worry-free putty (TB), to be dry and then approved scraping putty Powder in the brushing latex paint.
