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MASTERSEAL® 525 

Polymer Modified Cementitious, Flexible Waterproofing Coating

MASTERSEAL® 525 is a two component acrylic modified cementitious coating that requires only on site mixing to form the ideal product to waterproof and resurface concrete, masonry, and most other construction materials.

Features and Benefits 

  • A 1mm coating provides anti carbonation cover equivalent to over 80 cm of concrete.
  • Waterproof-resists up to 7 Bars (70 metre head) of pressure.
  • Excellent adhesion. Bonds to porous and non-porous surfaces.
  • Flexible.
  • Non toxic-ideal for contact with potable water.
  • Breathable - whilst repelling water, allows substrate to breathe.
  • High resistance to carbon dioxide and chloride ion diffusion.
  • Unlike conventional coatings which require a 7-28 day cure of concrete, MASTERSEAL® 525 can be applied to 24 hour-old concrete thereby giving immediate protection.

  TDS
Fields of Application 

To reface and even out variations in concrete surfaces.

As a waterproof lining for water retaining structures.

For coating seawater channels.

Sealing and coating tie bar holes to ensure watertightness.

For waterproofing & protection against brackish water.

To provide foundation protection.

As a waterproof coating for roofs.

As a backing to marble and granite to prevent water ingress and thus alleviate surface staining.

For fixing tiles in water retaining structures.

To provide protection to concrete surfaces from carbonation and chloride attack.

For use on pedestrian walkways in marine areas.

About BASF 

BASF is the world’s leading chemical company: The Chemical Company. Its portfolio ranges from oil and gas to chemicals, plastics, performance products, agricultural products and fine chemicals. As a reliable partner BASF helps its customers in virtually all industries to be more successful. With its high-value products and intelligent solutions, BASF plays an important role in finding answers to global challenges such as climate protection, energy efficiency, nutrition and mobility.

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