Smoke Dampers
UL 555S classified products with leakage class I, II, or III.
Smoke Dampers have two applications:
- Close and prevent the circulation of air and smoke through a duct or a ventilation opening in a smoke barrier of a passive smoke control system.
- Control the spread of smoke using walls and floors as barriers and using the building’s HVAC system and/or dedicated fans to create pressure differences in an engineered smoke control system.
