Aluminum Foil Butyl Waterproof Sealing Tape 50mm x 10m HVAC Duct Roof Gutter Repair Roll for Outdoor Weatherproofing
Aluminum Foil Reinforced Butyl Waterproof Sealing Tape — Professional HVAC & Building Weatherproofing
The WNRLN-AFBT-50 is a premium aluminum foil reinforced butyl waterproof sealing tape purpose-built for HVAC duct sealing, roof repair, gutter waterproofing, and outdoor construction applications. Featuring a durable UV-resistant aluminum foil facing laminated to an aggressive butyl rubber adhesive layer, this tape delivers instant, permanent waterproof bonds to metal, concrete, wood, PVC, and bitumen surfaces. Operating temperature range: -40°C to 120°C.
Key Features & Benefits
- Aluminum Foil Reinforcement: The 0.05mm aluminum foil facing provides mechanical strength, puncture resistance, UV protection, and thermal reflectivity — extending service life in outdoor environments.
- Aggressive Butyl Adhesive: Pressure-sensitive butyl rubber formulation bonds instantly to a wide range of substrates including galvanized steel, aluminum, concrete, wood, PVC, glass, and asphalt roofing.
- All-Weather Performance: Maintains adhesion and flexibility from -40°C to 120°C. Resists rain, snow, UV exposure, and temperature cycling without cracking or peeling.
- Instant Waterproof Seal: No curing or drying time required. Apply pressure and the tape forms an immediate watertight barrier — ideal for emergency roof and gutter repairs.
- Vapor Barrier Compliant: Aluminum foil layer acts as an effective vapor retarder, meeting HVAC duct sealing standards for energy efficiency.
- Easy Hand Application: Flexible and conformable — can be applied by hand without special tools. Release liner peels cleanly for fast, frustration-free installation.
Typical Applications
- HVAC air duct joint sealing and insulation facing
- Metal roof seam, flashing, and penetration waterproofing
- Gutter, downspout, and valley joint leak repair
- Skylight and vent pipe flashing sealing
- Container, trailer, and RV roof repair
- Industrial pipe and duct insulation cladding
- Window and door frame weatherproofing
Technical Specifications
| Construction | Aluminum Foil (0.05mm) + Butyl Rubber Adhesive + Release Liner |
| Total Thickness | 1.2mm |
| Width | 50mm |
| Length per Roll | 10m |
| Operating Temperature Range | -40°C to 120°C |
| Adhesion to Steel | ≥ 25 N/25mm |
| Tensile Strength | ≥ 35 N/25mm |
| UV Resistance | Excellent (500+ Hours QUV Accelerated Weathering) |
| Application Temperature | -10°C to 50°C (Recommended) |
| Color | Silver (Natural Aluminum) |
| Shelf Life | 18 Months (unopened, stored below 35°C) |
| Certification | ISO 9001:2015, RoHS |
Packaging & Supply
Each roll is individually shrink-wrapped and packed in a WNRLN branded color box. Master carton: 36 rolls per export-grade corrugated carton. Custom OEM packaging, private labeling, and custom widths (25mm–150mm) available upon request. Monthly production capacity: 80,000 rolls.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.