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3M Extreme Sealing Tape 4412+, 80 mil Thickness
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3M Extreme Sealing Tape 4412+, 80 mil Thickness
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3M™ Extreme Sealing Tape 4412+ for Maximum Watertight Protection
3M 4412+ Extreme Sealing Tape is an 80 mil (2.0 mm) thick, single-sided acrylic sealing tape designed for maximum durability and weather resistance. Its high-build TPO backing and aggressive adhesive deliver a long-lasting watertight bond to metals, plastics, and other difficult surfaces—no cure time or cleanup required. The ultra-thick design bridges large gaps and provides outstanding conformability over seams, joints, rivets, and fasteners in demanding exterior environments.
Note: 3M Extreme Sealing Tape and 3M Industrial Sealing Tape IS1 are designed to work together, providing a comprehensive solution for critical sealing applications.
Performance Benefits of 3M 4412+ Extreme Sealing Tape
- Heavy-Duty Watertight Sealing: 80 mil (2.0 mm) construction provides exceptional protection against moisture, vibration, and harsh weather exposure.
- Bridges Wide Gaps: Thick TPO backing fills voids and covers large seams or fasteners for a smooth, uniform finish.
- Outstanding Conformability: Easily molds over irregular surfaces, rivets, and joints without lifting or edge failure.
- Durable Exterior Protection: Built to resist UV degradation, abrasion, and thermal cycling for long-lasting outdoor performance.
- Instant Bond Application: Forms a strong, pressure-sensitive seal to metals, plastics, and other substrates—no cure time or cleanup required.
- Linerless Efficiency: Applies easily without liner waste, improving productivity and reducing installation time.
Specifications
- Model: 4412+
- Adhesive Type: Multi-Purpose Acrylic Adhesive Tape
- Application: Heavy-Duty Sealing
- Total Tape Thickness: 80 mil (2.0 mm)
- Backing (Carrier Material): Thermoplastic Polyolefin (TPO)
- Backing Thickness: 4 mil (0.1 mm)
- Available Widths: 2 in, 3 in, 4 in (white only), 48 in, and Custom Sizes
- Roll Length: 18 yd
- Product Color: White, Gray
- Core Size: 3 in (76.2 mm)
- Maximum Operating Temperature: 200°F (93°C)
- Flame Resistant: No
- Conformability: Very Conformable
- UV Resistant: Yes
- Shelf Life: 24 Months
Applications and Industries
- Roof and panel joint sealing
- Industrial and commercial trailer assembly
- Marine hatch and deck hardware sealing
- HVAC and exterior duct sealing
- Specialty vehicle and equipment maintenance
- Outdoor repair and retrofit sealing projects
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3M Extreme Sealing Tape
3M Extreme Sealing Tape is available in black, white, and gray with 25 mil, 40 mil, and 80 mil thickness options. Offered in pre-cut sizes and full rolls, with custom widths available.
