MasterSeal 620 is a brown rubber/bitumen liquid emulsion with excellent adhesion which dries to a tough black seamless, flexible dampproof and vapour-proof membrane.
Where is MasterSeal 620 applied?
Damp-proofing structures: to provide an impervious damp-proof membrane on concrete and brick.
Floors: to provide a sandwich membrane in new construction or a surface treatment.
Walls: for interior and exterior walls.
Roofs: for the maintenance of many types of roofs including built-up felt, asphalt, lead, zinc, aluminium, concrete, lightweight screeds, timber, slate, asbestos cement, corrugated iron, and as a vapour barrier.
As an adhesive: for bonding wood blocks and wood mosaics, insulation board, expanded polystyrene and cork tiles and to provide a key for plastering.
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