Hybrid silicone/ polyurethane sealant offers superior flexibility and adhesion. - Modified silicone construction combines the benefits of silicone and polyurethane to form a one-part hybrid sealant - Excellent for creating flexible, liquid-tight seals when used with our PIG Build-A-Berm products - Adheres to aluminum, brass, steel, stainless steel, concrete, brick, stone, glass, ceramic tile, fiberglass, ABS, PVC, polyester, plywood and more - Like silicone, this sealant offers superior UV resistance, flexibility and a 30-minute, tack-free cure time - Resistant to mild solvents, hydrocarbons and oils for worry-free use in industrial applications - Sealant maintains excellent weatherability; won't foam or bubble when applied in high humidity