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CRD-1WT : Ceiling Radiation Damper for Wood Truss Applications

CRD-1WT : Ceiling Radiation Damper for Wood Truss Applications

Model CRD-1WT is a UL 555C Classified ceiling radiation damper designed for installation in wood truss construction with fire-resistance ratings up to one hour. These assemblies are assigned proprietary design numbers in the UL Fire Resistance Directory, supporting code-compliant installation within rated floor/ceiling systems.

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Product Highlights

Application
Ceiling Radiation
Wood Truss
Blade Type
Butterfly
Ceiling Penetration
Combustible - Wood
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Features

Ceiling Radiation Damper Fusible Link Plaster Flange Plenum Box
Standard
Optional

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Product Details

Certifications

UL 555C (Listing #R13446)

UL Fire Resistance Directory Approved Ceiling Design Number: L528, L546, L558, L562, L574, L576, L581, L583, L585, L592, M501, M503, M508, P533, P538, P545, P547, P548, P554, and P580

California State Fire Marshal (CSFM) Listing #3325-0981:0101
Codes

International Building Code (IBC)

National Fire Protection Association (NFPA 90A and 101)
Damper Shape

Square

Rectangular
Fire Resistance Rating

1 Hour

Documents

Drawings

Static Model File Type Action Type
Revit icon Revit .RFA eMail icon Request Drawing
3D CAD 3D CAD .DWG eMail icon Request Drawing
3D CAD 2D CAD .DWG

Media

Ceiling Radiation Damper