Description: A heavy-weight asphalt roofing felt made of a specially formulated organic sheet which has been fully saturated With waterproofing asphalt. Uses: A roofing felt used as an underlay beneath asphalt shingles, wood shakes, tiles and other sloped coverings. Storage and handling: Asphalt saturated organic felts require protection form damage and the weather. Store rolls upright in a dry Location and never install when wet or over a wet roof deck. Physical specificatons: Average roll weight, lbs/roll:54lbs Packed in rolls with pallet