E-BOwatrol E B is a high penetrating, stir in paint additive for use in water based masonry or interior paints. It will help alleviate peeling problems on all porous surfaces. Owatrol E B is especially suitable for unstable, chalky and powdery surfaces, crumbling brickwork or render. E B acts as a stabiliser, penetrating deep into the surface to firmly bond the first coat of paint to the substrate. This, therefore, eliminates the need for primer. Owatrol