I'm hoping someone can suggest a solution to my problem. It's a single skin brickwork garage and I'm getting fed up of all the dust accumulating as a result of salts on the surface of the brickwork - the walls get damp and leave salts on the surface as they dry (pain in the butt!).
I was thinking of applying a coating to the inner wall surface. What would work? Would a PVA solution help?
Yes thompsons water seal is fine.
PVA is a waterbased solution and does not chemically set - it only dries.
Once you stop the water penetrating from outside the salts will stop appearing. Leave the inside uncoated and moisture in the wall can the disperse.
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