DRYLOK Concrete Floor Paint is specially formulated to protect and decorate masonry floors in homes and industry, both indoors and outdoors. DRYLOK Concrete Floor Paint is a scientifically formulated treatment for masonry floors. It outperforms ordinary floor paint under traffic, washings, weather, acids and alkalis. Formulated to protect and beautify interior and exterior concrete floors, garage floors, basement floors, shop floors, walkways, and patios. Use on new or previously painted surfaces. Non-flammable. Resists hot tire pick-up. No primer needed.