Product Description Polycell Stain Block permanently covers a great number of different stains, such as nicotine, soot, rust, grease, ballpoint pen and lipstick.Application Description Stir the product well before use. Can be applied in one or two layers allowing sufficient drying time between applications Coverage 7.9m2 per litre Drying Time 2-3 hours Recoatable12 hours before painting Suitable for large problem areas Treats stains caused by water, nicotine, soot, graffiti, grease, wax and rust