PL, 10 OZ Cartridge, White, Polyurethane Door, Window & Siding Sealant, Bonds To Vinyl, Metal, Aluminum & Stucco, Solid, Strong, All Weather Surface Adhesion, Provides A Permanent Flexible Seal For Active, Moving Joints, Water/Weatherproof, Paintable/Stainable, Meets Or Exceeds Federal Specifications TT-S-00230C, Type II Class A.