Flexible solutions for the protection of grease ducts, ventilation air ducts, return air plenums, emergency circuits, structural steel and more. These flexible wrap products make installation easy, even around corners. Ideal for use in a wide variety of commercial and industrial applications.
Two-layer grease duct applications: 3M™ Fire Barrier Duct Wrap 615+ meets the criteria of ASTM E 2336 Standard Test Methods for Fire Resistive Grease Duct Enclosure Systems.
Single-layer air duct applications: 3M™ Fire Barrier Duct Wrap 615+ has passed ISO 6944-1985 Fire Resistance Tests — Ventilation Ducts.
T-rating for metallic through-penetrating items: 3M™ Fire Barrier Duct Wrap 615+ is used in conjunction with 3M Fire Barrier sealants to achieve up to 2-hour equal F-rating and T-rating in ASTM E 814 (UL 1479) tested through-penetrations.
- Lighter weight for easier installation (nom. 1-1/2 in. thick, 6 pcf density)
- Zero clearance to combustible throughout the entire enclosure system
- Highly flexible for installation ease
- Widest range of duct penetration firestop systems
- Low thermal conductivity and thermal shock resistant
- Supports continuous use temperatures of up to 1832°F (1000°C)
- Safer fiber construction* for contractor piece of mind
* Has been demonstrated to be soluble in the lungs according to EU guidelines 97/69/EC. Note Q for biopersistence.