Rust-Oleum 550 Fibered Aluminum Roof Coating, 5 Gal

For use on metal roofs, built-up (BUR) and modified bitumen roofing 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 Covers between 40-50 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