PREPARATION Unpainted Masonry The surface must be at least 30 days old, clean and free from oil and grease. Remove all mould and mildew. The surface may be dry or slightly damp. Painted surfaces Remove as much of the existing paint as possible. Clean and abrade any remaining coating. Take special precautions with pre 1960?s paints, since these may contain lead. APPLICATION You?ll need to apply two coats; the first coat primes and the second provides the damp proofing. Allow 4 hours before you apply a second coat. It dries to a wipe clean finish which will resist mould growth. Damp Stop 3 in 1 Damp Treatment can be overcoated in 14 days, but please be aware that this will impair its mould resistance properties.
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