Acrylic reinforced cementitious, flexible waterproof coating
MasterSeal 550 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.
Simply applied by stiff brush, roller, or trowel, it
forms a waterproof, flexible coating.
MasterSeal 550 provides an effective barrier to
waterborne salts and atmospheric gases.
Fluid applied, MasterSeal 550 provides a hard
wearing, seamless, waterproof membrane for
roofs and foundation protection.
MasterSeal 550 is composed of specially selected
cements, silica sand and reactive fillers supplied in
powder form together with a liquid component of
blended acrylic copolymers and wetting agents.
 To reface and even out variations in concrete
 As a waterproof lining for water retaining
 For coating seawater channels.
 Sealing and coating tie bar holes to ensure
 For waterproofing and 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
 To provide protection to concrete surfaces from
carbonation and chloride attack.
 For use on pedestrian walkways in marine
 For waterproofing of wet areas under tiling.
 As a waterproof and protection coating on top
of spray polyurethane foam roof insulation.
 Waterproof
 Excellent adhesion. Bonds to porous and nonporous
 Flexible
 Non-toxic suitable for contact with potable
 Suitable for light pedestrian traffic
 Breathable – whilst repelling water, allows
substrate to breathe
 High resistance to chloride ion diffusion
 Unlike conventional coatings which require a
7-28 day cure of concrete, MasterSeal 550 can
be applied to 24 hour-old concrete thereby
giving immediate protection
 White color has high solar reflectivity index
(SRI) to prevent heat island effect on roofs


20 Kg


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