Question

It is a continuous membrane, either vertical or horizontal, such as a wall, floor, or ceiling asser

A Smoke Barrier

B. Smoke and Fire Damper

C. Fire Wall

D. Air Curtains

Answer 1

They are used in HVAC penetrations where a wall, floor, or ceiling is required to have both a fire damper and smoke damper. They close upon the de- tection of heat (via duct temperature) or smoke (via a smoke detector) and “seal” the opening.

Answer 2

B. fire damper and smoke damper.