Henry Smooth Black Asphalt Roof Cement 0.9 gal (Pack of 4)Henry 204 plastic roof cement is a premium, trowel grade sealant used for dry surfaces, which makes it ideal for filling flashing pans around roof penetrations. It is made from high quality refined asphalt and is heavy bodied for smooth spreading in cold weather. Henry 204 plastic roof cement forms a tough, long lasting flexible film that won't become brittle and crack in the coldest weather or run and sag in the hottest UPC: 081725204409 Manufacturer