Each landlord sooner or later comes to the conclusion that it is time to repair the apartment. Today, the most popular type of wall decoration is wallpaper. But what to do for those whose walls were covered with paint: can I glue the wallpaper on the paint?
Before deciding to wallpaper on the painted walls, you need to determine what type of paint on your walls. There are two main types of paint: oil and acrylic. Oil paint has an excellent water-repellent effect, has a peculiar smell, forms a protective layer on the surface of the wall. Acrylic water-based paint has no smell, it is well absorbed into the walls, fixed in them. If you try to remove a part of the paint with a spatula, the oil paint can be removed by layers, and the acrylic is held very tightly and removed in small pieces.
How to glue wallpapers on water-based paint?
If your walls were painted with water-based paint , then before you start to glue wallpaper on them, a layer of old paint should be neutralized. To do this, use a mixture of solvent and primer in a ratio of 1: 1. This composition must be treated with walls. The solvent will partially rip off the old coating and allow the primer to penetrate deeper into the wall. The wall should dry well, then it is applied a layer of clean primer. As a result, we will get a rough surface, which will ensure reliable adhesion of wallpaper to the wall. Glue the wallpaper with a mixture of glue PVA and wallpaper, causing the mixture and on the wall, and wallpaper.
How to paste wallpaper on oil paint?
The walls painted with oil paint are very smooth. Therefore, before you paste wallpaper on them, the surface must be prepared. This can be done in two ways. With the first of these, the walls are treated with a large emery, and then a mixture of PVA glue and primer .
The second method consists in removing stripes of paint from the wall with a spatula. Then these places are leveled using putty. This method is less effective, but it also provides good adhesion of wallpaper to the walls. To glue wallpaper on such a foundation, you need to take wallpaper glue twice as much as PVA.
As you can see, it is quite possible to paste wallpaper on the paint, for this purpose it is enough to prepare the wall surface carefully.