INSTAseal®
Foil-Backed Butyl Tape
INSTAseal is a peel‑and‑stick foil-backed butyl tape sealing solution designed to create a durable, air and weather‑tight seal on metal duct, flexible duct, and duct board, ideal for low, medium, and high‑pressure ductwork when speed and reliability matter for consistent application of duct sealant, every time.
Available in 2”, 3”, and 4” widths, INSTAseal is designed for indoor or outdoor use, holds up in all weather (including cold conditions), and resists UV exposure, mold, and mildew to help seals stay reliable over time.
With an easy tear and simple press‑down application, you can move quickly without cutting tools, helping cut installation time and save labor. Its instant adhesion means you can seal and immediately test or pressurize the system, and even make modifications or repairs while the system is operating, helping reduce downtime.
Special Characteristics:
- Consistent application of duct sealant, every time
- Instantly adheres and is ready to test or pressurize the system
- Make modifications and duct repairs while the system is operating
- No smells, no VOCs, and no wait
- Good above or below-ground application and for indoor and outdoor use
- Good for all weather conditions, with excellent adhesion in cold environments
- Peel and stick application for an instant seal
- Not degraded by UV exposure
- Excellent flexibility
- Easy tear without cutting tools
- Press down and go application provides labor savings
- Mold and mildew resistant
- Meets NFPA 90A & 90B standards and all SMACNA pressure classes
- Tested to 15″ w.g.
- Available in 2″, 3″, and 4″ widths
Technical Information:
| FOIL THICKNESS: | 2 mils | |
| BUTYL THICKNESS: | 15 mils | |
| TOTAL THICKNESS: | 17 mils | |
| COLOR: | Foil- Aluminum Butyl- Gray |
|
| BASE: | Butyl Rubber | |
| PEEL STRENGTH | >10 lbs/linear inch | |
| BOND TIME: | Immediate | |
| TENSILE STRENGTH: | 950 psi avg | |
| SERVICE TEMPERATURE: | -25° F to 200° F | |
| APPLICATION TEMPERATURE: | 35° F to 150° F | |
| STORAGE TEMPERATURE: | 35° F to 110° F | |
| SOLIDS CONTENT: | 100% | |
| ASTM E84: | Pass | |
| VOC: | 0g/liter | |
| FLAMMABILITY: | Non-flammable | |
| SHELF LIFE: | 2 years | |
Ordering Information:
| Part Number: | Size: | Quantity: | |
| INSTASEALPRO2 | 2" x 100 ft | 24 per case | |
| INSTASEALPRO3 | 3" x 100 ft | 16 per case | |
| INSTASEALPRO4 | 4" x 100 ft | 12 per case | |



