Hardcast Aluma-Grip 701 Mastic Duct Sealant 2" X 50' AFT-701 is designed for sealing hip and ridge area on roof applications It's excellent for general flashing applications AFT-701 has an aggressive grip, stays flexible during application, assuring immediate sealing on contact, and superior long-term adhesion Providing leak proof results, this butyl sealant is asphalt and solvent free and offers easy, fast application Size: 2" x 50