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MASTERSEAL® 621
MASTERSEAL® 621
CODE: 1-82-06-50645848
MasterSeal® 621 is a brown rubber/bitumen liquid emulsion with excellent adhesion which dries to a tough black seamless, flexible damp-proof and vapour-proof membrane. It is a thixotropic cold applied bitumen emulsion with added rubber latex.
Packaging
200 L
DRUM
PRODUCT DETAILS
Feature
Application
Dosage
Standards
Feature
- A high build bitumen / rubber latex emulsion. Surface applied, flexible, damp and vapour-proof liquid membrane All surfaces to which it is applied must be sound, stable with an even finish and free from dirt, dust, loose debris, grease etc.
- It may be applied to damp but not waterlogged surfaces Hot, very dry or porous surfaces should be dampened with a priming coat before it is applied.
- Where subsequent coats are to be applied, the first coat must be dry.
Application
- Tanking and 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
Dosage
Apply 2 or 3 coats as recommended of a high build rubber/bitumen emulsion such as MasterSeal 621 as manufactured by Master Builders Solutions, or similar approved.
Standards
Fire Classification – BS EN ISO 11925
Part 2 /BS EN 13501 Part 1:2007 + A1:200
*Refer to TDS for more information.