ROBERTS 70-198 Silicone Moisture Barrier Underlayment for Solid & Engineered
X 76.25 ft. x 6 mil, White 200 sq. ft. Coverage. Convenient 31.5 in. x 76.25 ft., 200 sq. ft. roll. Its 6 mil wet strength and silicone coating ensure that it does not fall apart during installation.