About This Item:
- UL 181A-P/B-FX listed and printed aluminum foil tape
- Linered
- Airtight performance on rigid fiberglass ductboard and flexible air duct
- Flexible and easy to use
- Superior stability during extreme fluctuations in temperature
- Resists water vapor and other HVAC duct contaminations
- Tested in accordance with UL 723
- Dimensions: 2.5" x 60 yds
- Thickness: 6.8mm