Acratex® Roof Sealer WB is a water based acrylic primer sealer supplied as a milky white solution which dries to a clear film. Used as primer/sealer for cleaned concrete tile surfaces in sound condition. Not suitable where the surface after high pressure washing is powdery or friable – Use Acratex® Roof Sealer SB in such cases. Available in Trade Outlets only, applying this product may require professional painter assistance. Check your local stockist for details.