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Water Block
Water Block natural look penetrating sealer
Overview
GST International Water Block is a invisible water
base penetrating sealer, that to provides water repellency
and reduce water absorption to a wide variety of porous
surfaces. It reacts with water and carbon dioxide in the
air forming an insoluble barrier. Tests have proven Water
Block to maintain water repellency for five years and
up to 10 years depending on traffic volume. The
formation of efflorescence and spalling are also
controlled. Effective both indoors and outdoors.
May be used as a pre-sealer or grout release on tile
and masonry surfaces.
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