Neutralise salts
PermaSEAL Salt Neutraliser is an aqueous solution that has been specifically developed to deal with the problem of salts in mineral-based building surfaces.
Getting Rid of Salts
In some circumstances salt deposits are visible on the surface of plasterwork. These salts can come from within the wall substrate. The background substrate made up of bricks, mortar beds and renders can often contain salts. These can then pass through into the internal plaster finishing coat. This can be caused by damp, or even just the replastering of a wall.
Often in this case the plaster finish...
