A full line of fire dampers and ceiling radiation dampers is available for use wherever air distribution system ductwork penetrates fire-rated barriers. The line of dampers includes both gravity and ...

Description: This ceiling radiation damper is UL-classified for installation in wood truss floor/ceiling assemblies. Model CRD-2WT’s inlet or outlet duct connection is made on top of the damper.

Bathroom exhaust fans are the most common way to properly ventilate and control moisture in residential bathrooms. Along with providing effective ventilation, bath fans with a ceiling radiation damper ...