
RASTRENGTHENER is a premium eco friendly VOC-free stone sealer ideally suited to masonry, stone and traditional lime based plasters. RASTRENGTHENER’S unique formula means it actually strengthens as time passes and its high resistance to alkalis make it perfect to control the absorption of humidity in walls and ceilings, it can be used as a finishing and protective coating both internally and externally. RASTRENGTHENER is available in 1L, 5L and 25L plastic containers.
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