Nvirol Waterseal is a silicone silane chemical formulated to prevent water penetration into brickwork, stonework and related masonry structures. Offered in 5, 25 and 50 litre packages, the latter including a pressure sprayer. See More Info below for contents of each package. Use drop-down menu alongside to select required product.
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The 7.5 litre pressure sprayer can be purchased separately by clicking here