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MasterSeal 541

Acrylic reinforced, cementitious, flexible waterproof coating

MasterSeal 541

MasterSeal 541 is a two-component, acrylic modified, cementitious coating that requires only on-site mixing to form the ideal product to waterproof and re-surface concrete, masonry, and most other construction materials.
Simply applied by stiff brush, roller, trowel or spray, it forms a waterproof, flexible coating.
MasterSeal 541 provides an effective barrier to waterborne salts and atmospheric gases to prevent carbonation.
Fluid applied, MasterSeal 541 prevents the infiltration of water.

20kg double pack (15kg powder + 5kg liquid).


– To reface and even out variations in concrete surfaces.
– As a waterproof lining for water retaining structures like water tanks, pools and reservoirs.
– For coating seawater channels.
– Sealing and coating tie bar holes to ensure water tightness.
– For waterproofing and protection against brackish water.
– To provide foundation protection.
– As a backing to marble and granite to prevent water ingress, and thus alleviate surface staining.
– To provide protection to concrete surfaces from carbonation and chloride attack.
– For use on pedestrian walkways in marine areas.

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