3M™ Extreme Single Coated Sealing Tapes


3M 4412N

3M™ Extreme Sealing Tape 4412N is a highly conformable single-side acrylic tape with a high performance ionomer backing. 2.0 mm thick. Creates water tight seals over numerous substrates. Conforms over contours, edges, rivets, and screw heads. Paintable and good outdoor durability.

2.0 mil acrylic adhesive Ionomer film substrate is very flexible and high abrasion resistance. Excellent sealing performance and excellent outdoor durability.


  • This single coated tape is designed to seal over an existing joint, seam, or penetration.
  • The adhesive is designed to adhere well to the ionomer film so that overlapping tape joints can be made while maintaining a strong seal.

Data Sheets & Summary Sheets