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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. For details of fire rated assemblies, see the current UL or ULC Fire Resistance Directory.
Nailor 6500-FRD Fire Rated Pattern Diffusers are UL classified and listed high capacity louvered face directional diffusers that supply large volumes of air at relatively low sound levels and pressure drops.
Nailor 4000 and 4400 Series Fire Rated Stamped Square Diffusers are the UL classified and listed fire rated version of the popular RNS series. They have been specially designed to provide an extremely cost effective, high performance product.
Nailor 4400-UNI Series Fire Rated Stamped Square Diffusers are the UL classified and listed fire rated version of the popular UNI series. Designed with the architect in mind, the diffusers in this series are fashioned to blend in with most ceiling types to create the ultimate aesthetic look.
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.
Nailor 7500-FRD Fire Rated Modular Core Diffusers feature four individual spring-loaded 'modular' pattern controllers mounted in the neck that can be adjusted for a 1, 2, 3 or 4-way discharge pattern after installation.
Nailor 4110 Series Fire Rated Return Air Grilles have been designed to complement the Nailor range of fire rated supply diffusers. The grilles have been tested and classified for use without the requirement of duct work or supplementary support, they simply lay in place.
Nailor Models 4121, 4122, 4123, 4124, 4125, and 4126 Fire Rated Return Air Filter Grilles have been designed to complement the Nailor range of fire rated supply diffusers. Manufactured to accommodate a throw away filter by others, the grilles have been tested and classified for use without the requirement of duct work or supplementary support, they simply lay in place.
This unique product features a raised ceiling radiation damper mounted on an extended support frame above the ceiling line.
Nailor 5200 Series Fire Rated Open Face Plenums are designed for use with steel or aluminum grilles, registers or linear type slot diffusers and bar grilles for lay-in T-bar applications. A turned in leg design is available to suit lay-in type cores and a hemmed leg design is available to accommodate concealed mounting angles.
Nailor 5500 Series Fire Rated Plenum Slot Diffusers are designed for supply and return air lay-in T-Bar applications. The supply air models feature pattern controllers that are available in three performance styles and four slot widths, up to four parallel slots. The return models are designed to match the look of the supply air models.