Download PDF version

Ruskin launches new CFD7T-SR UL Classified ceiling radiation dampers for wood truss construction. Unlike other ceiling dampers designed and tested for wood truss applications, the CFD7T-SR is supplied as a Ruskin CFDR7T damper factory mounted on top of an R6 insulated steel plenum. 

Meeting the requirements

Model CFD7T-SR meets the requirements for fire/radiation dampers established by: 

  • National Fire Protection Association NFPA Standards 80, 90A, 92A, 92B, and 101
  • ICC International Building Codes
  • CSFM California State Fire Marshal Listing (3225-0245:0123)
  • UL Classified ULC Listed: UL555C Listing R8039

UL Fire Resistance Directory Approved Ceiling Design Numbers:

The CFD7T-SR is a UL Classified Ceiling Fire Damper listed for installation in wood truss floor/ceiling and roof/ceiling designs L528, L546, L558, L574, L585, L586, L592, P533, P545, P548, P572, and H502. These designs are also similar to the fire-resistance-rated ceiling construction described in the International Building Code.

Model Application

The CFD7T-SR is UL approved for installation with duct connection below the membrane penetration. CFD7T-SR is designed to accept a grille with an OBD up to a maximum of 3” in depth without volume control and 2 1/2” grilles with volume control.

Download PDF version Download PDF version

In case you missed it

2025 AHR Expo: Top Innovations In HVACR Announced
2025 AHR Expo: Top Innovations In HVACR Announced

The AHR Expo (International  Air-Conditioning, Heating, Refrigerating Exposition) today announced the winners of the 2025 AHR Expo Innovation Awards. Winners are chosen annua...

Johnson Controls Center Develops And Tests HVAC Systems For Data Centers
Johnson Controls Center Develops And Tests HVAC Systems For Data Centers

Johnson Controls’ Advanced Development Engineering Center (JADEC) in New Freedom, PA., about 25 miles from Philadelphia, highlights and demonstrates the company’s capab...

Airzone Aidoo Pro Enhances VRF Energy Efficiency
Airzone Aidoo Pro Enhances VRF Energy Efficiency

The Olsen Group, based in Boca Raton, Florida, is a national pioneer in HVAC energy optimization. Donald Olsen and his seasoned team of HVAC control specialists have been in busine...

vfd