Swellseal Mastic WA adheres to concrete, PVC, HDPE, steel, fibre glass, etc. In contact with water Swellseal Mastic WA will expand to about 200% of it’s original volume. Flexible system, which adapts to the irregular surface of the substrate. Easy application with a standard caulking gun. Durable: will exceed the construction’s life. Good chemical resistance. Colossus® SwellSeal Mastic WA supplied in cartridges and aluminium sausages

Swellseal Mastic WA adheres to concrete, PVC, HDPE, steel, fibre glass, etc. In contact with water Swellseal Mastic WA will expand to about 200% of it’s original volume. Flexible system, which adapts to the irregular surface of the substrate. Easy application with a standard caulking gun. Durable: will exceed the construction’s life. Good chemical resistance. Colossus® SwellSeal Mastic WA supplied in cartridges and aluminium sausages