How to correctly paste wallpaper on latex paint wall in old house renovation?

For latex paint walls, the base film is painted according to the specifications, but there will be piping, delamination, and large-area hollowing after construction. What is the reason? Can you construct a wall like this? How should it be constructed?

In case of latex paint wall, if you want to carry out wallpaper wall covering construction, the traditional method is to directly apply the penetrating base film or other base film directly on the surface of the latex paint, and then apply.

1. Use a wide transparent tape (8~10cm width) to pull up vertically after compacting the latex paint wall to observe the latex paint carried on the wide tape.

The tape sticking surface is relatively clean

Treatment method: brush the wall keystone once.

There is a little latex paint peeling off the tape

Treatment method: first brush the penetrating wall base treasure to reinforce the firmness of the latex paint layer and putty layer. After the permeable wall base film is dry, paint the wall base again.

Large pieces of latex paint

Treatment method: shovel off the wall and do it again.

2.For the wall that can be constructed, use a hole punch to drill the wall. Destroy the film on the surface of the latex paint, allowing the wall base film and wall base treasure to penetrate easily.

3. Paint the wall base film on the holed wall to better cure and protect the wall.

4. If the wall base film is not standard, it will leave a lot of hidden dangers to the construction. Therefore, before construction, we must also inspect the painted walls. In addition to the above criteria, we must also pay attention to whether the corner wall base film is painted in place. Only in this way can the construction be foolproof.