AP Products Sikasil-Gp White. It has excellent adhesion to metal glass plastic and fiberglass. SikaSil GP has excellent weather stability is solvent free and is mold and mildew resistant. Highly UV Resistant. 10 oz. tube Features of AP Products Sikasil-Gp Acetoxy-curing low modulus sealant used for general seam sealing interior and exterior applications Excellent adhesion to metal glass plastic and fiberglass Excellent weather stability is solvent free and is mold and mildew resistant. Highly UV resistant Package Contents: AP Products Sikasil-Gp AP Products 017-189151: Sikasil-Gp White