Air Terminals · Diffusers

Surface-mount square diffuser

Air diffuser assembly — Drywall ceiling

ConnectionTop or side inlet box
SupportHangers to structure

How to install it

  1. 1

    Install plenum/box above opening

  2. 2

    support

  3. 3

    connect branch

  4. 4

    finish ceiling opening

  5. 5

    screw diffuser frame into backing

  6. 6

    align face.

Quality check

  • Frame flat, screws into backing, no ceiling sag

Stop and verify

Stop if backing or access to fasteners is missing