Formulated with 100% acrylic elastomeric resin. The coating forms a thick rubber like blanket of protection that expands and contracts with roofs. It remains flexible from 30 F. to 160 F. for long lasting protection and provides superior reflectivity to lower interior temperatures and save energy. Designed to be durable in any climate. Helps absorb sound. Higher solids for better coverage. Environmentally compliant. Recommended for metal, concrete, urethane and polystyrene foam, brick, flat and barrel cement tiles, and aged aluminum coatings. You must use Kool Seal Kool Lastik Primer, model