Not carefully cleaned before

Correction of such a defect is possible only when licking wallpaper canvases.

The third, often encountered defect, is the removal of paintings at the top of the walls. The reason is the possible gluing on the surfaces that were previously painted with lime or adhesive paint, and were not carefully cleaned before gluing wallpaper. It may also be the cause of the gloss of the wallpaper or their poor missing.