For use on metal and fiberglass RV roofing. Elastomeric RV Roof Coating protects and beautifies metal, aluminum, steel, fiberglass and previously coated RV Roofs. Formulates with 100% acrylic elastomeric resins to form a rubber-like coating that will expand and contract with the roof movement. Requires two coats for adequate protection at an application rate of one gallon per 80 sq. ft. per coat.