Bostik Pave Seal is a clear low viscosity solvent-based acrylic solution that penetrates deeply into dry porous external paving such as concrete brick and porous tiles. It provides excellent resistance to water oil petrol grease and dirt. It is clear in colour but may enhance the colour of the treated surface. Bostik Pave Seal is suitable for use to protect drives paths patios and other porous exterior paved surfaces.