MasterSeal 620 

A bitumen / rubber latex emulsion. Surface applied, flexible, damp and vapour-proof liquid membrane

Description:

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.