Smoke Dampers
UL 555S classified products with leakage class I, II, or III.
Smoke Dampers
UL 555S classified products with leakage class I, II, or III.

Smoke Dampers have two applications:

  1. 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.
  2. 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.

These products are tested and classified in accordance with UL Standard 555S.