Rust-Oleum 301997 510 Fibered Aluminum Roof Coating 5 Gallon is a reflective waterproof metal roof coating formulated to protect and extend the life of metal roofs, corrugated roofing, gutters, flashing, storage tanks, mobile homes, barns, warehouses, and industrial buildings. Its fibered aluminum formula reflects sunlight and heat to help reduce roof temperatures while providing excellent waterproofing, rust protection, and resistance to weather, UV rays, corrosion, and moisture. The durable coating seals minor cracks, enhances roof performance, and helps prevent leaks for long-lasting protection. Easy to apply by brush, roller, or spray, this 5-gallon aluminum roof coating delivers a bright reflective finish with up to 7-year performance, making it ideal for residential, commercial, agricultural, and industrial roofing applications.