3M 4412 Sealing Tape (various versions)

3M™ 4412 is a 2 mm thick, single-sided, transparent acrylic tape designed for fast and durable sealing of joints, edges, and seams without the need for liquid sealants. It provides an immediate, watertight bond with many metals and plastics, does not drip, leak, or require drying time. It is resistant to UV radiation, moisture, abrasion, and extreme temperatures, and its flexible construction allows it to conform to contours, rivets, and screws.

Technical specification:

• Colour: transparent
• Widths: 25 mm, 50 mm, 75 mm, 102 mm
• Length: 16.5 m
• Thickness: 2.0 mm
• Adhesive type: acrylic
• Backing: flexible abrasion-resistant ionomer
• Resistance: UV, moisture, extreme temperatures, abrasion, chemicals

Application:

• Sealing gutters, flashings, ventilation openings
• Securing roof and facade connections
• Seals around mechanical fasteners
• Protection of seams and edges in outdoor installations
• Industrial and construction applications requiring weather resistance

Benefits and properties:

✅ Immediate seal – no drying time or mess

✅ Waterproof – effective protection against leaks

✅ Flexibility – conforms to shapes and fasteners

✅ Resistance to external conditions – sun, rain, snow, extreme temperatures

✅ Paintable – for a consistent appearance with the substrate

✅ Transparency – aesthetic and discreet finish