Fire Rated Ceiling Diffuser

Dampers are ul fire rated to help prevent the spread of fire for up to 3 hours.

Fire rated ceiling diffuser. For details of fire rated assemblies see the current ul or ulc fire resistance directory. This flush face perforated ceiling diffuser is designed to provide a uniform circular pattern. Ceiling fire dampers also known as radiation 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. Diffuser pan limitation 24 gauge 6 steel minimum.

These diffusers meet ul time vs. Titus fire rated diffusers are ul classified and listed in underwriters laboratories fire resistance directory. The damper has a fusible link that melts at 165 f causing the blades to close. The tdc fr is a louvered face diffuser that harmonizes with different types of architectural ceilings.

Metalaire is the flagship brand of metal industries inc offering a complete line of air distribution and air terminal products. From standard grilles and registers to its architectural line of formations linear slot diffusers along with a newly released series of displacement diffusers metalaire has the air devices to meet every need. Fire rated ceiling diffusers author. Price corporate communications subject.

Diffuser neck 20 508 diameter or 18 x 18 457 x 457. Nailor fire rated diffusers are classified and listed by underwriters laboratory for use in ul ulc restrained or unrestrained floor ceiling and or roof ceiling assemblies which incorporate an exposed grid suspended ceiling lay in t bar with up to a 3 hour rating. Price corporate communications subject. Fit these diffusers into your drop ceiling to stop airflow in the event of a fire.

Ul classified fire rated ceiling diffuser assembly listed in the underwriters laboratories fire resistance directory has a fire resistance rating of 3 hours or less when installed in accordance with the installation instructions. Cfd r 5 ceiling fire dampers ul classified radiation dampers underwriters laboratories has classified hundreds of specific floor ceiling f cs and roof ceiling r cs and established fire resistance ratings for each design. Section g submittals keywords. Temperature test criteria and nfpa 90a requirements.