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 grilles.
Multi shutter damper supply grilles.
An underwriters laboratories ul fire resistant rated ceiling system provides separation between the elements of the building services i e.
Fire rated ceiling diffusers author.
Aluminum aeroblade return grille for narrow tee ceilings 1 2 blade spacing with zero degree deflection blades parallel to short dimension.
Perforated face eggcrate face or an open face model that can accommodate a.
Curved blade ceiling supply grilles.
High quality intumescent grilles available with next day delivery for the trade.
Available in three styles.
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.
The grilles have been tested and classified for use without the requirement of duct work or supplementary support they simply lay in place.
Nailor 4110 series fire rated return air grilles have been designed to complement the nailor range of fire rated supply diffusers.
A ul fire resistant rated ceiling also provides a known specified fire resistance period.
Price corporate communications subject.
For details of fire rated assemblies see the current ul or ulc fire resistance directory.
Section g submittals keywords.
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.
Section g submittals keywords.
Heavy duty return air grilles.
Ductwork and piping and the occupied space below.
Aluminum louvered filter grille 35 degree deflection 3 4 blade spacing blades parallel to short dimension 1 filter.