A ready-to-use silicone-based formulation for application onto porous surfaces to form a water repellent barrier, protecting against damaging effects of rain, frost, ice and snow. Dries to form a clear invisible coating on the substrate. Use on brickwork, render, pointing, concrete, stone and plaster. Apply a second coat within 1 hour of the first. Drying time 4 - 6 hours.
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