MasterSeal 611 – A high solids protective coating and curing membrane based on emulsified bitumen

How does MasterSeal 611 work?

MasterSeal 611 is a water based bitumen emulsion. It is dark brown in colour and dries to a black flexible protective coating which also acts as a curing compound. The finished film is tough and waterproof and forms a barrier to water and vapour transmission.

What are the uses of MasterSeal 611?

MasterSeal 611 is suitable for the following applications:

  • General waterproofing and damp proofing of concrete, asbestos cement, roofing felt, slate tiles, wood, etc.
  • Metal protection: provides protection for structural steelwork, pipes, etc.
  • Insulation: provides a vapour barrier for cold storage rooms, etc.
  • Protection to a variety of buried structures such as concrete foundations and retaining walls.
  • As a curing compound onto green concrete.
  • As a primer for most bitumen membranes.

What are the benefits of MasterSeal 611?

MasterSeal 611 offers many advantages to the user including:

  • Vapour permeable allows substrate to breathe.
  • Chemical resistance.
  • Versatile.
  • Economical
  • Easy to apply.
  • Cold applied.

Product information

Technical Data Sheet


Central Region
+966 11 2790971
Western Region
+966 12 6394799
+966 12 6395702
Eastern Region
+966 13 8084896
South Region
+966 17 2748255


MasterSeal 611

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