Fire Rated Ceiling Diffuser

Titus fire rated diffusers are ul classified and listed in underwriters laboratories fire resistance directory.

Fire rated ceiling diffuser.

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. Diffuser pan limitation 24 gauge 6 steel minimum. Price corporate communications subject. 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.

Dampers are ul fire rated to help prevent the spread of fire for up to 3 hours. 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. Diffuser neck 20 508 diameter or 18 x 18 457 x 457. Fire rated ceiling diffusers author.

They hare designed to provide an extremely cost effective product that offers both the unobtrusive appearance required for architectural excellence and the 360 diffusion pattern at minimum nc levels required for high engineering performance. Section g submittals keywords. 4000 and 4400 series diffusers are a fire rated version of the popular rns series stamped square ceiling diffusers. 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.

These diffusers meet ul time vs. 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. The tdc fr is a louvered face diffuser that harmonizes with different types of architectural ceilings. This flush face perforated ceiling diffuser is designed to provide a uniform circular pattern.

The damper has a fusible link that melts at 165 f causing the blades to close. Metalaire is the flagship brand of metal industries inc offering a complete line of air distribution and air terminal products. Fit these diffusers into your drop ceiling to stop airflow in the event of a fire. Temperature test criteria and nfpa 90a requirements.