Premium white sealing tape with 40 mil thickness, instant adhesion, and extreme weather resistance for industrial applications
3M™ Extreme Sealing Tape 4411W+ is a premium white sealing solution engineered for quick and clean sealing applications across industrial and outdoor environments. This 40 mil thick tape combines excellent conformability with instant adhesion, eliminating the need for traditional caulking equipment and the associated cure time, mess, and oozing. The tape features a durable thermoplastic polyolefin (TPO) backing with acrylic adhesive that delivers exceptional resistance to sun, rain, extreme temperatures, vibration, and thermal expansion or contraction. Designed to adhere to metals and plastics, it effectively covers edges, rivets, joints, splices, screw heads, holes, and gaps, making it an ideal solution for cargo trailer rail seals, HVAC enclosures, roof sealing, and various other industrial applications where a reliable water-tight seal is essential.
The construction of 3M™ Extreme Sealing Tape 4411W+ derives its sealing strength from a powerful combination of an acrylic adhesive layer bonded to a flexible TPO backing material. This linerless design not only enhances sustainability by eliminating traditional liner waste but also maintains superior performance without any compromise. The tape's flexibility allows it to conform over fasteners, seams, joints, holes, and gaps, while its UV resistance and water-tight properties ensure long-lasting protection against environmental factors such as water, dust, dirt, and other contaminants. With a shelf life of 24 months and operating temperatures ranging from 10°C to 93°C (50°F to 200°F), this tape is engineered to overcome the toughest sealing challenges in exterior applications.
Available in multiple colors including black, gray, and white, as well as various thicknesses to suit specific application needs, 3M™ Extreme Sealing Tape 4411W+ represents a versatile and reliable sealing solution. The single-sided adhesive design ensures easy application by hand, while the tape's abrasion resistance, heat resistance, humidity resistance, and low temperature resistance make it suitable for both indoor and outdoor use across construction, general industrial, MRO, metalworking, signage, solar, specialty vehicles, and transportation industries. This product supports customer sustainability goals while delivering the durability and performance required for demanding industrial applications.
Key Features
- Instant adhesion eliminates cure time and messy caulking equipment
- Extreme weather resistance to sun, rain, and temperature fluctuations
- Flexible TPO backing conforms to fasteners, seams, and gaps
- Linerless design supports sustainability goals and reduces waste
- UV and water-tight protection for outdoor industrial applications
Technical Specifications
| Specification |
Value |
| Product Number | 4411W+ |
| Color | White |
| Tape Thickness | 40 mil (1.0 mm) |
| Backing Material | Thermoplastic Polyolefin (TPO) |
| Adhesive Material | Acrylic |
| Adhesive Type | Permanent, Single-sided |
| 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) |
| Shelf Life | 24 months |
| Container Type | Roll |
| Application Method | Apply by hand |
| Water-tight | Yes |
| UV Resistant | Yes |
| Flame Resistant | No |
| Conformability | Very Conformable |
| Indoor/Outdoor Use | Both |
| Industries | Construction, General Industrial, MRO, Metalworking, Signage, Solar, Specialty Vehicles, Transportation |
| Features | Abrasion Resistance, Heat Resistance, Humidity Resistance, Low Temperature Resistance |
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