Delivers 66% initial reflectivity for better, cost-saving energy efficiency. Includes 15.9% metallic flake content. Easy to apply with either brush, roller, or spray. Meets ASTM-D2824 Type 3 specifications. Fibered aluminum formula offers waterproofing and rustproofing protection to metal roofs and sidewalls. Dries to the touch in 4 hours, weather resistant in 24 hours and full cure in 10-12 days. For use on metal roofs, built-up (BUR) and modified bitumen roofing Covers approximately 50 square feet per gallon Creates a long-lasting finish that guards against UV rays and other types of weathering One coat application directly over tight rust with no primer required