Laying the UNIDRY system requires the intervention of an "expert hand" and should absolutely provide for the exclusive use of Unistara products dedicated to this specific treatment.
SportelloCasa is a qualified installer.
First you need to clean the affected area, picchettarne the surface and the wallpaper paste with a special spatula. The panels must be treated with the primer UNIDRY and supported evenly on the wall. All joints between the panels must be treated with the same glue. The surface finish must provide for the drafting of the fiber glass network, and then shaving with the product Unistara suitable.
Even the paint will have to be breathable and therefore always a UNUSTARA product guaranteed for the ultimate resolution of the problem.
Linea Unidry