Grout repair works Are you facing paint peel off problems, on the interior walls, across your home? Or getting paint blisters or bubbles? Then, it is purely adhesion issue, which causes these problems. These paint blisters or bubbles happens due to moisture on the walls. The paint film leaves the concrete surface, due to humidity on the wall. In below image, you can see the problems on the wall. Sometimes, paint blisters or bubbles can be due to molds. But, the chances are that the color will turn black or brown. In