CDH

Ceiling Dampers - Wood Truss
The CDH series offers a complete line of Wood Truss Rated Ceiling Radiation Dampers. These dampers are specifically designed and tested for wood truss and wood joist constructed buildings. They are listed with Intertek, a Nationally Recognized Test Lab (NRTL), and bear the Warnock-Hersey label. The CDH series of wood truss ceiling dampers are UL 263 approved as an acceptable component in a vast number of UL 263 rated wood truss and wood joist floor/ceiling and roof/ceiling designs (See submittals for specific approved UL design numbers).  

The CDH series of wood truss ceiling radiation dampers are available installed in multiple insulated and non-insulated boot/box configurations. All boots/boxes are approved rated assemblies to bear the Warnock-Hersey label for testing in compliance with UL 263.

  • Available installed in uninsulated 90 degree or straight boots
  • Available installed in insulated 90 degree, 45 degree and straight boot/boxes
  • Available in grille mount (-GM) or duct mount (-DM) sleeves
Submittal

Submittal - Wood Truss Ceiling Damper in 45 Degree Insulated Boot - CDH-RD-45
Submittal - Wood Truss Ceiling Damper in a Straight Insulated Boot - CDH-RD-ST
Submittal - Wood Truss Ceiling Damper in a 90 Degree Insulated Boot/Box - CDH-S/R-90-IB
Submittal - Wood Truss Ceiling Damper in a 90 Degree Uninsulated Boot - CDH-S/R-90(-F)
Submittal - Wood Truss Ceiling Damper in a Straight Uninsulated Boot - CDH-S/R-ST(-F)
Submittal - Wood Truss Ceiling Damper in a Sleeve for Grille & Duct Mount (Fiberglass) - CDH-S/R-G&DMF
Submittal - Wood Truss Ceiling Damper in a Sleeve for Grille & Duct Mount (Steel) - CDH-S/R-G&DMS
Submittal - Round Wood Truss Ceiling Damper Only - CDH-RD
Submittal - Square/Rectangular Wood Truss Ceiling Damper Only - CDH-S/R and CDH-SB

Installation Manuals

Installation Instructions - Wood Truss Ceiling Radiation Damper Boot Assembly
Installation Instructions - CDH-RD Wood Truss Ceiling Radiation Damper
Installation Instructions - CDH-S/R & CDH-SB Wood Truss Ceiling Radiation Dampers
Installation Instructions - CDH-SR-GMF & CDH-SR-DMF Wood Truss Ceiling Radiation Damper
Installation Instructions - CDH-SR-GMS & CDH-SR-DMS Wood Truss Ceiling Radiation Damper

Copyright © 2016 - Metal Industries, Inc. - All Rights Reserved