Many people are on the secondary housing decoration when the wall how to deal with the question, here we have some experience to provide reference for everyone.

First, make sure the base must be eradicated, can be soaked in water wall, then with the shovel in the wall trying to shovel, if can easily under the spade, before the renovation to use putty and paint quality is poor and need to completely eradicate, this case is also better to eradicate, eliminated in accordance with the normal wall treatment program construction can be.

Secondly, if not eradicate, previously used putty and paint quality are high and there is no need to eradicate, according to metope processing. If the wall is smooth, only need to repair local cracking or uneven place, polished overall brushing latex paint can be; if the wall surface is rough not smooth, cleaning walls, after brushing interfacial agent, approves blows the putty, and then brushing latex paint.