Limestone Sealer is a unique waterborne surface treatment with exceptional water repellency and binding properties. Limestone Sealer is a hydrophobic binder rather than a film forming sealer – this feature allows the various materials to “breathe” normally. It also contains a highly effective biocide that inhibits mould and algal growth. Limestone Sealer converts fretting natural stone and masonry from a soft material to a hard dust-free natural finish with excellent weathering and durability.

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