Premium 80mil gray sealing tape with instant adhesion and superior weather resistance for industrial outdoor applications. Features TPO backing, linerless design, and water-tight seal protection.
3M™ Extreme Sealing Tape 4412G+ is a premium gray sealing solution designed for quick and clean sealing applications in demanding outdoor and industrial environments. This 80 mil (2.0 mm) thick tape features a durable thermoplastic polyolefin (TPO) backing with acrylic adhesive that delivers excellent conformability and instant adhesion to metals and plastics. The tape eliminates the need for messy caulking equipment, cartridges, and the associated cure time, mess, and oozing problems of traditional liquid sealants.
Engineered specifically for exterior applications, the 3M™ Extreme Sealing Tape 4412G+ delivers exceptional resistance to sun, rain, extreme temperatures, vibration, and thermal expansion or contraction. Its flexible backing conforms seamlessly over fasteners, seams, joints, holes, and gaps, making it ideal for covering edges, rivets, splices, screw heads, and other surface irregularities. The tape excels in various industrial applications including cargo trailer rail seals, HVAC enclosures, roof sealing, truck and trailer roof sealing, and exterior side panel sealing.
This innovative linerless design eliminates traditional liner waste, supporting sustainability goals without compromising performance. Available in gray, black, and white color options with multiple thickness options, the 4412G+ combines durability with environmental responsibility. With a 24-month shelf life and water-tight seal capabilities, this single-sided tape is rated for application temperatures from 10°C to 93°C (50°F to 200°F), making it suitable for both indoor and outdoor use in construction, general industrial, MRO, metalworking, signage, solar, and transportation industries.
Key Features
- Instant adhesion with permanent acrylic adhesive for quick and clean sealing
- Rugged construction delivering resistance to sun, rain, and extreme temperatures
- Eliminates need for caulking equipment, cartridges, and messy liquid sealants
- Flexible TPO backing conforms over fasteners, seams, joints, holes, and gaps
- Linerless design reduces waste and supports sustainability goals
- Water-tight seal protection for outdoor and industrial applications
- Available in multiple colors (gray, black, white) and thicknesses
- UV resistant and resistant to vibration and thermal expansion/contraction
- Suitable for both indoor and outdoor use
- Single-sided tape with very conformable foam backing
Technical Specifications
| Specification |
Value |
| Product Number | 4412G+ |
| 3M ID | 7100366384 |
| Total Tape Thickness without Liner (Metric) | 2 mm |
| Total Tape Thickness without Liner (Imperial) | 80 mil |
| Backing Material | Thermoplastic Polyolefin (TPO) |
| Adhesive Material | Acrylic |
| Adhesive Type | Permanent |
| Product Color | Gray |
| Container Type | Roll |
| Product Form | Roll |
| Core Size (Imperial) | 3 in |
| Core Size (Metric) | 76.2 mm |
| Backing Thickness (Imperial) | 4 mil |
| Backing Thickness (Metric) | 0.1 mm |
| Back Side Adhesive Thickness (Imperial) | 76 mil |
| Back Side Adhesive Thickness (Metric) | 1.9 mm |
| Application Temperature From (Celsius) | 10°C |
| Maximum Operating Temperature (Celsius) | 93°C |
| Maximum Operating Temperature (Fahrenheit) | 200°F |
| Number of Adhesive Sides | Single-sided |
| UV Resistant | Yes |
| Water-tight | Yes |
| Flame Resistant | No |
| Foam Conformability | Very Conformable |
| Indoor/Outdoor | Both |
| Shelf Life | 24 Month |
| Physical Form | Solid Tape |
| Assembly Type | Sealing |
| Application Method | Apply by hand |
| Smallest Saleable Unit | Roll |
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