Ultraseal™ GREEn is a fibrous interior/ exterior-grade sealant used in the fabrication, sealing and coating of UL 181B Flexible Air Ducts, and can be used with metal, fiberglass and flexible heating and air conditioning duct systems.
- Resistant to extreme temperature changes and aging
- Highly resistant to mold and mildew
- Resistant to oil or grease
- Mildly resistant to alkalis and acids
- Easy to apply and clean up
- No sag