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Dampers | Ceiling Fire Dampers

Ceiling Fire Dampers are UL 555C-listed products designed to limit radiant heat transfer and fire through duct penetrations in fire-resistive floor ceiling or roof ceiling assemblies, and are commonly referred to as "Radiation" dampers.  Safe-Air Dowco has ceiling radiation dampers for both rectangular/square and round ductwork suitable for both metal and Wood Truss (UL 263) ceiling assemblies.  Below you will find a listing of our ceiling radiation fire dampers along with some pertinent information about each model, for more information including model submittals please click on the orange triangle on the right side of the screen. 

Model Mounting Min Size W x H Max Single Section W xH
0456
Wood Truss Rated Ceiling Fire Damper with Steel Plenum--Grille Mount
Mounting: H
Min Size: 6" x 4"
Max Single Section: 16" x 12"
Details
0456D
Wood Truss Rated Ceiling Fire Damper with Steel Plenum--Ducted
Mounting: H
Min Size: 6" x 4"
Max Single Section: 18" x 18"
Details
0457
Wood Truss Rated Ceiling Fire Damper
Mounting: H
Min Size: Depends on Plenum Style
Max Single Section: Depends on Plenum Style
Details
0463
Round Wood Truss Rated Ceiling Fire Damper
Mounting: H
Min Size: 4" Dia.
Max Single Section: 8" Dia.
Details
410A
Mounting: H
Min Size: 4" x 4"
Max Single Section: 1hr-24" x 24" 4hr- 12" x 12"
Details
420
Ceiling Radiation Fire Damper
Mounting: H
Min Size: 6" x 4"
Max Single Section: 24" x 24"
Details
420R
Round Ceiling Radiation Fire Damper
Mounting: H
Min Size: 5" dia
Max Single Section: 24" dia
Details
421
Ceiling Radiation Fire Damper--Single Blade
Mounting: H
Min Size: 4" x 4"
Max Single Section: 24" x 24"
Details
FDGC
Garbage Chute Fire Damper
Mounting: H
Min Size: 18" dia
Max Single Section: 24" dia
Details