Novaflex Metal Roof Sealant provides unbeatable adhesion to metal, coated metals, wood, masonry, PVC and most common construction materials.?Excellent adhesion and flexibility. Mildew Resistant. Freeze thaw stable. Service Temperature -40_F to +400_F. Application Temperature -20 Degree Fahrenheit to +120 Degree Fahrenheit. Tack free in 10 minutes. Completely cured in up to 2 days. Adheres to: Wood, Metal Siding, Galvanized Steel, Flashing, Metal Roof, Galvanized Gutters, Trim, PVC, Aluminum, Masonry, Downspouts, Roof Tile. Adheres to: Kynar. Meets CARB and OTC Regulations (VOC Compliant).