Order this Owens Corning FoamSealR Sill Gasket for delivery to your job site. Minimizes air leakage at the foundation wall sill plate juncture, thus helping to reduce heat gain and loss. Resists moisture movement from the foundation wall into the wooden structure. Acts as a barrier to insects, sealing them out of the structure. Installs quickly and easily, with no special tools. Available in convenient 50 ft. rolls in a choice of 3 in. W to fit standard frame construction.