3M 4008 double coated urethane foam tapes are conformable foams that offer high shear strength and are available with either a high temperature holding acrylic adhesive system or a rubber adhesive system for bonding to various types of surfaces for mounting, joining and holding. - General interior and exterior mounting applications where the tape will be protected from the environment. The liner also helps reduce edge roll and protects the tape from humidity extremes. The variances in thickness often make an important difference in proper performance.