TinnerFlow
Diffusers · Diffusers

Lay-in 1-way diffuser

T-bar perimeter

ConnectionTop inlet
SupportIndependent support

Before you start

  • Confirm one-way discharge direction, perimeter condition, glazing or wall relation, grid module, neck, and support.
  • Inspect face and pattern controller.
  • Verify the diffuser is not reversed.
  • Coordinate branch route before connection.

Tools and materials

Lay-in 1-way diffuser, boot, branch duct, sealant, fasteners, independent support, level, and hand tools.

Lay it out

  1. Mark the discharge direction.
  2. Locate the blank sides relative to wall or glazing.
  3. Align neck and branch.

Set and support it

  1. Support boot or diffuser from structure.
  2. Keep the grid unloaded.
  3. Support the branch.

Make the connection

  1. 1

    Set and support the boot.

  2. 2

    Connect and seal the branch.

  3. 3

    Place diffuser in the grid.

  4. 4

    Clock the discharge in the approved direction.

  5. 5

    Secure and level the face.

  6. 6

    Verify the pattern.

Check the install

  • One-way throw is correct.
  • Face is flush and level.
  • Support is independent.
  • Neck is sealed.
  • No obstruction blocks discharge.

Common mistakes

  • Installing reversed.
  • Aiming discharge at the wrong wall or glazing.
  • Using branch tension to clock the diffuser.
  • Resting on the grid.

Stop and ask

Stop if the diffuser is reversed, the discharge direction is not shown, or the branch route prevents correct orientation.