Commercial Products
Residential Products
Square Neck Diffuser to Round Duct Ceiling Damper
Ceiling Radiation dampers, also known as "Fire" dampers, are designed and tested to limit the radiant heat transfer through an air inlet/outlet opening in the ceiling membrane of a fire resistance rated floor/ceiling or roof/ceiling assembly.
C-RD-T, C-RD-A/T
Key Features
Model C-RD-T(-A/T) are a square neck diffuser to around duct, UL classified ceiling (radiation) damper, butterfly style approved for both steel duct, and flex duct installations in approved UL ceiling designs.
- Static Ceiling Radiation (Fire) Damper
- UL 555C File CABS R25411, ULC S112.2
- Use in Fire Resistive Floor/Ceiling or Roof Ceiling Assemblies
Submittals