TAMKO Super X 36 In. x 72 Ft. 30 lb Organic Mat, Asphalt Roof Felt

TAMKO SuperX 30 underlayment is an alternative for No 30 asphalt saturated organic felt that is saturated with asphalt, and is manufactured using a patent-pending proprietary technology. Accepted for use as an underlayment to be applied over the deck prior to the installation of asphalt shingles. Laying lines: 2:, 4", and 17"