Professional-grade black sealing tape with instant adhesion, water-tight performance, and UV resistance for industrial exterior applications including HVAC, roofing, and trailer sealing.
3M™ Extreme Sealing Tape 4411B+ is a premium black sealing solution engineered for quick and clean sealing applications across industrial, construction, and transportation sectors. This 0.040 inch (1.0 mm) thick tape features instant adhesion and exceptional conformability, designed to stick with pressure to metals and plastics to cover edges, rivets, joints, splices, screw heads, holes, and gaps. The tape dramatically simplifies the sealing process while eliminating the need for messy caulking equipment, cure time, and associated oozing problems.
Constructed with a durable thermoplastic polyolefin (TPO) backing and acrylic adhesive, the 4411B+ delivers rugged performance that resists sun, rain, extreme temperatures, vibration, thermal expansion, and contraction. This water-tight solution excels in exterior applications where reliable sealing is critical, from cargo trailer rail seals and HVAC enclosures to roof sealing and beyond. The tape's flexible backing conforms seamlessly over fasteners, seams, joints, holes, and gaps, providing superior coverage and protection.
The linerless design of 3M™ Extreme Sealing Tape 4411B+ supports sustainability goals by eliminating traditional clear liner waste without compromising performance. Available in a 3-inch width and 36-yard length with 3 rolls per case, this professional-grade tape operates effectively from 10°C to 93°C (200°F maximum), making it ideal for demanding industrial applications in construction, general industrial, MRO, metalworking, signage, solar, specialty vehicles, and transportation sectors.
Key Features
- Instant Adhesion - Single-coated design for immediate bonding to metals and plastics without cure time
- Rugged Construction - Resists sun, rain, extreme temperatures, vibration, and thermal expansion/contraction
- Water-Tight Sealing - Engineered to seal out water, dust, dirt, and environmental contaminants effectively
- Flexible TPO Backing - Conforms seamlessly over fasteners, seams, joints, holes, and gaps for superior coverage
- Linerless Design - Eliminates traditional liner waste while supporting sustainability goals without performance compromise
- UV Resistant - Maintains integrity and adhesion under prolonged sun exposure in outdoor applications
- Versatile Applications - Ideal for cargo trailers, HVAC enclosures, roof sealing, and industrial sealing projects
- No Caulking Required - Eliminates need for applicators, cartridges, cure time, and mess associated with liquid sealants
Technical Specifications
| Specification |
Value |
| Product Number | 4411B+ |
| 3M ID | 7100361632 |
| UPC | 00068060759566 |
| Color | Black |
| Overall Width | 3 inches (76.2 mm) |
| Overall Length | 36 yards (32.918 meters) |
| Total Tape Thickness | 0.040 inches (1.0 mm) |
| Backing Material | Thermoplastic Polyolefin (TPO) |
| Adhesive Material | Acrylic |
| Adhesive Type | Permanent, Single-sided |
| Back Side Adhesive Thickness | 36 mil (0.9 mm) |
| Backing Thickness | 4 mil (0.1 mm) |
| Core Size | 3 inches (76.2 mm) |
| Application Temperature Range | 10°C to 93°C (50°F to 200°F) |
| Application Method | Apply by hand with pressure |
| Physical Form | Solid Tape |
| Container Type | Roll |
| Package Configuration | 3 Rolls per Case |
| Shelf Life | 24 Months |
| Features | Abrasion Resistance, Heat Resistance, Humidity Resistance, Low Temperature Resistance, UV Resistant, Water-tight, Very Conformable |
| Indoor/Outdoor Rating | Both |
| Flame Resistant | No |
| Foam Conformability | Very Conformable |
| Industries | Construction, General Industrial, MRO, Metalworking, Signage, Solar, Specialty Vehicles, Transportation |
| Applications | Exterior Side Panel Sealing, HVAC, Hole sealing, Roof Sealing, Sealing Rivets, Seam and Joint Sealing, Truck and trailer roof sealing |
| Brand | 3M™ |
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