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    ​MasterSeal 550 - Acrylic reinforced cementitious, flexible waterproofing coating

    How does MasterSeal 550 work?

    MasterSeal 550 is a two component acrylic modified cementitious coating applied by brush, roller or trowel to waterproof concrete, masonry.

    Recommended uses:

    MasterSeal 550 is ideal:

    •  As a waterproof lining for water retaining structures
    •  For coating seawater channels
    •  Sealing and coating tie bar holes to ensure water tightness
    •  To provide foundation protection
    •  As a waterproof coating for wet areas and sunken slabs.
    •  To provide protection to concrete surfaces from carbonation and    chloride attack​

    What makes MasterSeal 550 a unique solution?

    MasterSeal 550 provides an effective barrier to waterborne salts and atmospheric gases​​. Fluid applied, MasterSeal 550 provides a seamless, waterproof membrane for roofs and foundation protection.

    What are the features and benefits of MasterSeal 550?

    • ​​​Protects against carbonation - A 1mm coating provides anti carbonation cover equivalent to over 80cm of concrete
    • Waterproof – Suitable for internal and external waterproofing​
    • Excellent adhesion - Bonds to porous and non-porous surfaces
    • Flexible – Copes with the slight thermal movement of concrete structures
    • Suitable for contact with potable water – Can be used for lining concrete water tanks
    • Vapour permeable - Whilst repelling water, allows concrete to breathe thus preventing osmosis
    • Compatable with moist surfaces – Can be applied to 24 hour-old concrete thereby giving immediate protection











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