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