Ronseal Damp Seal Aerosol permanently blocks damp stains and prevents them from damaging topcoat paint The aerosol application makes it easier to access hard to reach places It can be applied directly to damp surfaces and only takes 10 minutes to dry Product Description Ronseal Damp Seal Aerosol permanently blocks damp stains and prevents them from damaging topcoat paint. The aerosol application makes it easier to access hard to reach places. It can be applied directly to damp surfaces and only takes 10 minutes to dry. Box Contains 1 x Ronseal Quick Dry Damp Seal Aerosol White 400ml