Premium black sealing tape with instant adhesion, UV resistance, and water-tight performance for outdoor industrial applications. Linerless design eliminates waste while delivering superior durability in extreme conditions.
3M™ Extreme Sealing Tape 4411B+ is a premium black sealing solution engineered for quick and clean sealing applications. This 0.040 inch (1.0 mm) thick tape features instant adhesion and exceptional conformability, making it ideal for eliminating the need for traditional caulking methods. The tape delivers outstanding resistance to sun, rain, and extreme temperatures while resisting vibration and thermal expansion or contraction. Constructed with a durable thermoplastic polyolefin (TPO) backing and acrylic adhesive, this single-coated tape adheres firmly to metals and plastics, covering edges, rivets, joints, splices, screw heads, holes, and gaps with superior performance.
Designed for outdoor and industrial applications, the 3M™ Extreme Sealing Tape 4411B+ excels in demanding environments where water-tight seals are essential. The linerless design eliminates common liner waste, supporting sustainability goals without compromising tape performance. This versatile sealing solution is engineered to overcome challenges of sealing out water, dust, dirt, and other environmental factors. Ideal applications include cargo trailer rail seals, HVAC enclosures, roof sealing, truck and trailer roof sealing, exterior side panel sealing, and seam and joint sealing across construction, general industrial, MRO, metalworking, signage, solar, specialty vehicles, and transportation industries.
The tape's rugged construction combines flexibility with durability, conforming smoothly over fasteners, seams, joints, holes, and gaps while maintaining a water-tight seal. With a 24-month shelf life, UV resistance, humidity resistance, heat resistance, and low-temperature resistance, this tape simplifies the sealing process and removes the need for messy caulking equipment. Available in a convenient roll format with a 3-inch core size, the 3M™ Extreme Sealing Tape 4411B+ represents the ultimate choice for professionals seeking reliable, efficient, and sustainable sealing solutions.
Key Features
- 40 mil (1.0 mm) thick black tape with instant pressure-sensitive adhesion
- Rugged TPO backing delivers resistance to sun, rain, extreme temperatures, vibration and thermal cycling
- Eliminates need for caulking applicators, cartridges, cure time, mess and oozing of liquid sealants
- Linerless design reduces waste and supports sustainability goals without compromising performance
- UV resistant, water-tight, humidity resistant, heat resistant and low-temperature resistant for outdoor durability
- Single-coated acrylic adhesive bonds to metals and plastics for permanent sealing
- Available in black, gray and white colors with multiple thickness options
- Ideal for cargo trailers, HVAC enclosures, roof sealing and exterior panel applications
Technical Specifications
| Specification |
Value |
| Product Number | 4411B+ |
| 3M ID | 7100366385 |
| Total Tape Thickness (Imperial) | 40 mil |
| Total Tape Thickness (Metric) | 1 mm |
| Backing Material | Thermoplastic Polyolefin (TPO) |
| Adhesive Material | Acrylic |
| Adhesive Type | Permanent |
| Product Color | Black |
| Back Side Adhesive Thickness (Imperial) | 36 mil |
| Back Side Adhesive Thickness (Metric) | 0.9 mm |
| Backing Thickness (Imperial) | 4 mil |
| Backing Thickness (Metric) | 0.1 mm |
| Core Size (Imperial) | 3 in |
| Core Size (Metric) | 76.2 mm |
| Application Temperature From (Celsius) | 10 ℃ |
| Maximum Operating Temperature (Celsius) | 93 ℃ |
| Maximum Operating Temperature (Fahrenheit) | 200 ℉ |
| Number of Adhesive Sides | Single-sided |
| Physical Form | Solid Tape |
| Product Form | Roll |
| Container Type | Roll |
| Shelf Life | 24 Month |
| UV Resistant | Yes |
| Water-tight | Yes |
| Flame Resistant | No |
| Foam Conformability | Very Conformable |
| Indoor/Outdoor | Both |
| Features | Abrasion Resistance, Heat Resistance, Humidity Resistance, Low Temperature Resistance |
| Application Method | Apply by hand |
| Assembly Type | Sealing |
| Consistency | Tape |
| Smallest Saleable Unit | Roll |
| Brand | 3M™ |
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