Stonecare4U Block Paving Sealer Satin Finish is a professional sealant for external paving surfaces. The safe, eco-friendly formula is a topcoat protective sealer that creates a durable, crystal-clear satin finish. Essential Block Paving Sealer Satin Finish is quick-drying and easy to apply. It provides high-quality protection that prevents water-based stains and general grime & dirt from penetrating the surface, making it easier to clean and maintain. Please Note: Essential Block Paving Sealer Satin Finish is likely to change the colour/appearance of some surfaces – always try the product in an inconspicuous area before use. Surfaces that are not to be sealed should be protected with masking material. NOT RECOMMENDED FOR USE ON HIGHLY POLISHED STONE & CERAMIC GLAZED SURFACES. MAINTENANCE: Clean sealed areas with a mild, ph neutral cleaner or a very low concentration of our outdoor cleaner range. Do not use harsh or abrasive cleaning agents as this can have a negative effect on the treated surface.