EternaBond RSW-6-50 RoofSeal Sealant Tape, White - 6" x 50' Ideal for use in sunny environments Simple installation only requires some surface preparation before use The elongation factor is very high, which permits RoofSeal to expand or contract with changing conditions Adhesive side has a silicone lining that prevents it from sticking to other surfaces before application Size: 6" x 50'