Premium black sealing tape with instant adhesion, extreme weather resistance, and water-tight performance for industrial applications. Linerless design, 2in x 36yd per roll, 6 rolls per case.
3M™ Extreme Sealing Tape 4411B+ is a premium sealing solution engineered for quick, clean, and durable sealing applications. This black, 0.040 inch (1.0 mm) thick tape delivers exceptional conformability and instant adhesion, eliminating the need for traditional messy caulking equipment and the associated cure time, mess, and oozing. The tape features a single-coated design with acrylic adhesive on a flexible thermoplastic polyolefin (TPO) backing, making it ideal for sealing over existing seams, splices, overlaps, rivets, joints, holes, and gaps on both metals and plastics.
The rugged construction of this extreme sealing tape provides superior resistance to sun, rain, extreme temperatures, vibration, and thermal expansion or contraction. Its linerless design supports sustainability goals by eliminating traditional liner waste without compromising performance. The tape is engineered to overcome challenges of sealing out water, dust, dirt, and other environmental factors, making it perfect for demanding industrial applications including cargo trailer rail seals, HVAC enclosures, roof sealing, truck and trailer roof sealing, and exterior side panel sealing.
Each case contains 6 rolls of 2-inch width by 36-yard length tape, providing ample coverage for multiple projects. The tape's water-tight seal, UV resistance, and humidity resistance ensure long-lasting performance in both indoor and outdoor environments. With a maximum operating temperature of 200°F (93°C) and a 24-month shelf life, this tape is a reliable choice for construction, general industrial, MRO, metalworking, signage, solar, specialty vehicles, and transportation industries.
Key Features
- Instant adhesion with no cure time required for quick sealing applications
- Extreme weather resistance including sun, rain, and temperature extremes
- Water-tight seal eliminates need for traditional caulking equipment and cartridges
- Flexible TPO backing conforms to fasteners, seams, joints, holes and gaps
- Linerless design reduces waste and supports sustainability initiatives
- UV resistant and humidity resistant for long-lasting outdoor performance
- Single-sided acrylic adhesive for easy application by hand
- Vibration and thermal expansion/contraction resistance
Technical Specifications
| Specification |
Value |
| Product Number | 4411B+ |
| Brand | 3M |
| Color | Black |
| Width (Imperial) | 2 inches |
| Width (Metric) | 50.8 mm |
| Length (Imperial) | 36 yards |
| Length (Metric) | 32.918 meters |
| Tape Thickness without Liner (Imperial) | 40 mil |
| Tape Thickness without Liner (Metric) | 1.0 mm |
| Backing Material | Thermoplastic Polyolefin (TPO) |
| Adhesive Material | Acrylic |
| Adhesive Type | Permanent |
| Adhesive Thickness (Imperial) | 36 mil |
| Adhesive Thickness (Metric) | 0.9 mm |
| Backing Thickness (Imperial) | 4 mil |
| Backing Thickness (Metric) | 0.1 mm |
| Core Size (Imperial) | 3 inches |
| Core Size (Metric) | 76.2 mm |
| Number of Adhesive Sides | Single-sided |
| Application Method | Apply by hand |
| Maximum Operating Temperature (Fahrenheit) | 200°F |
| Maximum Operating Temperature (Celsius) | 93°C |
| Shelf Life | 24 months |
| UV Resistant | Yes |
| Water-tight | Yes |
| Flame Resistant | No |
| Indoor/Outdoor | Both |
| Foam Conformability | Very Conformable |
| Features | Abrasion Resistance, Heat Resistance, Humidity Resistance, Low Temperature Resistance |
| Container Type | Roll |
| Rolls per Case | 6 rolls |
| UPC | 00068060759368 |
| 3M ID | 7100359732 |
| Physical Form | Solid Tape |
| Product Type | Sealing Tape |
| Assembly Type | Sealing |
| Consistency | Tape |
| Smallest Saleable Unit | Roll |
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