Extreme Sealing Tape 4411N s a neutral, 1mm thick, highly conformable, single-side acrylic tape with a high performance ionomer backing - perfect for difficult sealing applications and good outdoor durability. The single coated tape is designed to seal over an existing joint, seam, or penetration. Features and Benefits Good resistance to many common industrial solvents as well as elevated temperature exposure Tacky adhesive sticks on contact for immediate bond with no drying time, oozing, or clean up Neutral, 1 mm thick, conformable tape forms effective seals over contours, edges, rivets, and screw heads Backing is paintable and offers a clean appearance Seal joints, seams or penetrations