Black Jack, 4.75 Gallon, Silver Seal 700 Premium Fibered Aluminum Coating, Highly Reflective & Cool Aluminum Finish, Reduces Interior Temperatures & Energy Costs, Great For Bur, Metal, Modified Membranes, Aids In The Prevention Of Corrosion For Metal Surfaces, Exterior Use Only, All Surfaces Must Have Proper Drainage & Be Clean, Dry & Free Of Surface Rust & Other Foreign Matter, Not Recommended For Wood Or Asphalt Shingles, Temperatures Must Be Above 50 Degrees & Rising, Coverage Rate For Built-Up & Metal Roofing 1 To 1-1/2 Gallon Per 100 SQFT, Brush Or Roller, Spread In Both Vertical & Horizontal Directions, Overlapping Ends Of Strokes, Avoid Excessive Buildup Or Puddling, Do Not Store At Temperatures Above 110 Degrees.