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Plascon Dampseal is a single pack, water-barrier coating, which remedies the effects of rising and penetrating damp.

Appearance: Heavy textured paste
Application: Interior and exterior
Spread Rate: 3 m2/ℓ
Packaging: 1ℓ and 5ℓ
Colours: white

    • For both interior and exterior use.
    • Ideal for use on vertical walls in bathrooms, kitchens, living rooms, basements, cellars, and other places where damp may occur.
    • It seals the surface, and protects subsequent paint layers against the effects of rising and penetrating damp.
    • It also protects against paint peeling, efflorescence, and mould developing on the affected surface.
    • A white paste with excellent adhesion.
    • It reacts with moisture in the substrate, forming a barrier which water and dissolved salts cannot penetrate.
    • It preserves the integrity of the substrate by preventing the loss of soluble salts
Not sure how much paint you'll need? Our Paint Calculator will help you to eliminate the guesswork.
Please provide all measurements in metres.


Wall 1 Width (in meters) Wall 1 Height (in meters)
Wall 2 Width (in meters) Wall 2 Height (in meters)
Wall 3 Width (in meters) Wall 3 Height (in meters)
Wall 4 Width (in meters) Wall 4 Height (in meters)
Door 1 Width (in meters) Door 1 Height (in meters)
Door 2 Width (in meters) Door 2 Height (in meters)
Window 1 Width (in meters) Window 1 Height (in meters)
Window 2 Width (in meters) Window 2 Height (in meters)
Total Area:
Substrate factors
Normal Rough uneven surface Light colour overcoating a dark colour