Flexcoat is a flexible, non-toxic, water based coating for polyurethane foam, Styrofoam and ethafoam. It's 100% acrylic formulation provides excellent adhesion to a wide variety of substrates. Flexcoat contains no plasticizers, so it will not become brittle with age or exterior exposure. It is compatible with all Rosco paints used either as tints or surface coatings. Flexcoat is weatherproof and fire retardant, providing one coat protection for all your theatrical applications.