TBD4 - T-Bar Diffuser, Blade Pattern Controller
TBD4, TBD4-FROverview
T-bar diffusers consists of a coated steel casing with extruded aluminum center tee (minimum 2 slot) and pattern controllers. Air pattern controllers are available in multiple styles to provide various air patterns with a high induction ratio for a high degree of thermal comfort. Matching return diffusers are available to complement supply units and maintain the architectural appearance throughout the space.
Typical Applications
The TBD series of T-bar diffusers are designed for lay-in installation in standard ceiling grids, and are typically installed along the perimeter of commercial spaces. They provide various air patterns with a high induction ratio for a high degree of thermal comfort.
Construction Options
- Slot Widths
- 1/2 in. (TBD450)
- 3/4 in. (TBD475)
- 1 in. (TBD4100)
- 1 1/2 in. (TBD4150)
- Pattern Controller Style
- Blade
- Options
- Return diffuser (TBR/FR)
- Internal insulation (TBDI4)
- External insulation
- Fire rated construction (TBD4-FR)
- Factory installed outer T-bars
- Aluminum plaster frame


