3M 4412N Extreme Sealing Tape. A thicker version of 3M Extreme Sealing Tape 4411N. Translucent, highly conformable, single-sided and pressure sensitive. 0.08 in (2.0 mm) thick. Designed for difficult sealing applications. Features a high-performance ionomer backing. Sticks on contact to many metals, plastics and other hard-to-stick-to surfaces. Conforms over fasteners, seams, joints, holes and gaps to ensure a long-lasting seal on a variety of substrates. Provides immediate seal with no wait time or oozing associated with liquid sealants. Tough, yet flexible clear ionomer backing is abrasion resistant and instantly paintable. Acrylic adhesive provides excellent sealing qualities and good outdoor durability. 2 inch x 18 yard roll.