Contains fire, gas, smoke and heat within the enclosure for 60 minutes, preventing leakage through the assembly into duct work. Meets the following codes:
- ASTM E119-05a
- UL 263
- UBC 7-1
- NFPA 251
- ANSI A2.1
- ULC S101
- Certified by Omega Point Laboratories
- Certified by Intertek & Warnock Hersey