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.
Fire rated ceiling diffuser.
Fire rated ceiling diffusers author.
A high capacity ceiling diffuser because it maintains an unbroken horizontal flow pattern from maximum cfm down to minimum it is an excellent choice for variable air volume applications.
Nailor 4070 4075 4080 and 4085 series fire rated perforated diffusers combine the cost effective uniform look of a perforated diffuser with the ul listed and classfied protection for exposed grid suspended ceilings lay in t bar with up to a 3 hour rating.
Fit these diffusers into your drop ceiling to stop airflow in the event of a fire.
Dampers are ul fire rated to help prevent the spread of fire for up to 3 hours.
Price corporate communications subject.
Ul classified fire rated ceiling diffuser assembly listed in the underwriters laboratories fire resistance directory.
It is intended for use with lay in t bar application involving fire rated ceiling designs.
Fire rated stamped square diffusers.
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.
Fire rated packages products matching your selection metalaire is the flagship brand of metal industries inc offering a complete line of air distribution and air terminal products.
The damper has a fusible link that melts at 165 f causing the blades to close.
Model series 4000 and 4400.
Delivers supply air in a true 360 pattern designed to protect ceiling from streaking and smudging.
Fire rated modular core diffusers.
4000 and 4400 series diffusers are a fire rated version of the popular rns series stamped square ceiling diffusers.
Has a fire resistance rating of 3 hours or less when installed in accordance with the installation instructions.