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Our 3M™ extreme sealing tape 4411B is a black, highly conformable, single sided, pressure sensitive acrylic adhesive tape with a high performance ionomer backing. It is an ideal solution for creating a water tight seal. It conforms over fasteners, seams, joints, holes and gaps to ensure a long lasting seal on a variety of substrates. The most common application of 3M™ extreme sealing tape is trailer roof sealing. 3M™ extreme sealing tape 4411B is a black, 0.040 in (1.0 mm) thick tape featuring a flexible backing that easily conforms over screw heads, rivets, joints, splices and other protrusions to provide protection from water intrusion. The durable, abrasion resistant backing makes this tape a good choice for outdoor applications were exposure to weather is a concern. Since it can be painted, you can match most existing colors to blend seamlessly into the surrounding area while retaining the water tight bond. The soft, yet thick acrylic adhesive adheres immediately, allowing for quick application and eliminating unnecessary downtime. This adhesive not only bonds instantly to a variety of substrates, but it adheres well to itself in order to maintain a consistent seal while creating overlapping joints. A backside liner ensures easy handling and application of the tape. 3M™ extreme sealing tape provides an immediate seal with no wait time or oozing associated with liquid sealants. In our 3M™ industrial adhesives and tapes division, we apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, our technologies help customers like you deliver competitive products to the market faster and more efficiently.