Solvent-Free and Eco-Friendly Block Paving Sealer to stop weeds growing in the joints of block paving. A water-based block paving sealer and weed inhibitor with no smell or fumes due to its solvent-free formulation. Highly effective, easy to apply sand hardener and block paving sealer, will inhibit the growth of weeds and moss and protect blocks. APPLICATION and PREPARATION GUIDE Penetrates deep into sand One or Two coat application (see coverage) Sets jointing sand solid Restricts weed and moss growth Easy to apply by watering can and squeegee Manufactured to BS5750/ISO9001 standard Gives additional protection to pavers Stain and Oil resistant COVERAGE: For best results to allow product to penetrate approx 20mm into joints, apply at a ratio dependent on width of joints at 1.5 m2 per litre first coat, approx 4.0 m2 second coat.