3M DT11 Heavy-Duty Duct Tape (various variants)

3M™ DT11 is a professional Heavy Duty repair tape, designed for the most demanding tasks. Made of durable polyethylene film laminated onto fabric, covered with a layer of natural-synthetic rubber adhesive, it provides excellent adhesion and resistance to moisture, abrasion, and wear. It guarantees immediate and strong adhesion even to irregular surfaces – including most plastics.

The DT11 tape was originally designed for HVAC (heating, ventilation, air conditioning) applications, but due to its durability and ease of application, it is widely used in maintenance, renovation, construction, and service work.

Technical specification:

• Width: 48 mm
• Length: 54.8 m
• Colors: black, silver
• Adhesive type: blend of natural and synthetic rubber
• Backing: PE laminated on fabric

Application:

• Fixing and sealing PE films and pipes
• Repairs and protection of surfaces exposed to moisture
• HVAC work – maintenance and sealing of installations
• Construction, workshop, and technical work
• Everyday repairs in demanding conditions

Benefits and properties:

✅ Exceptional durability – ideal for heavy-duty and professional applications
✅ Waterproof – effective even in wet environments
✅ Excellent adhesion – also sticks to irregular surfaces and plastics
✅ Easy application – tape can be torn by hand, without tools
✅ Cleaner edges – reduced contamination and tape waste