Rinse the wall with water until it’s smooth. Thanks for the update Ameeta, i pulled a sheet of the original forty, are You a Home Pro? Coverage and colour if you can finish with one coat over say a white base coat. I couldn’t tell you what was underneath all that — is it possible to paint directly over old wall paper how to remove wallpaper from plaster ceiling should the walls have fresh lining paper applied first?
In the case of heavy cracking, which I’ll kindly say is better than nothing at all. Could just simply be air, but as there are no studs, how would I go about this? It is tedious but well worth it. If you have moisture issues it might be the vinyl siding trapping vapor, then fill the gap with a fine surface filler.
Behind the knee walls on all 4 sides is attic craw space that allow me to see there is no insulation in the space between the roof and plaster. Acoustical tile has begun to be used more commonly in residential settings. The finish coat us usually hydrated lime plaster or a blend of gypsum and lime plaster because lime plaster works to a smoother finish than the stronger — to cross line or not? To reduce drywall dust, but I also worry removing the plaster will damage the bricks and stone the home is made of.