Henan wall scraping putty a few times?

Usually rough room wall, need to scrape three times putty. The first putty inside the need to add gypsum powder to increase the hardness of the putty layer; the next two putty, you can directly use ordinary putty scraping; if it is not a rough room, depending on the original putty layer, to decide whether you need to shovel the putty layer. Protection network said if the original putty layer of good quality, then you can brush once in the first ordinary glue (such as 801, etc.), and then batch scraping two times putty leveling, sanding can be brushed after the wall paint.

Wall paint is generally brushed 2 to 3 times (depending on the wall paint coverage to decide), before brushing wall paint, but also to brush a primer.