3M™ Sealing Tape 4412 3M™ A transparent, high-performance sealing tape designed for long-lasting waterproofing and moisture protection in industrial and outdoor applications. The 3M 4412 tape adheres strongly to metal, plastic, glass, and painted surfaces, while its flexible construction conforms easily to seams, rivets, and uneven joints. Commonly used for sealing panels, enclosures, roofs, overlaps, and maintenance repairs, it provides a clean and efficient alternative to liquid sealants. Learn more