To protect concrete, paving paths, patios and driveways Sovereign Path and Drive Sealer can be used. A clear, solvent based acrylic coating containing oil and water repellents helps keep surfaces clean. For sand jointed blockwork Sovereign Paving Block and Joint Sealer is a must. This moisture curing polyurethane resin seals the surface and binds sand particles together. This prevents wash out of the sand and reduces weed growth keeping blocks stable for longer. Sovereign Stone Sealer is a liquid applied sealant that is a high specification water and oil repellent for use on natural stone such as marble and granite e.g. worktops and tiles to reduce staining. Slate sealer provides a clear finish that enhances the colour of slate and is water repellent and hard wearing.