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Slot Diffuser Installation

Slot diffusers require precise alignment and proper support. Misalignment looks bad and affects airflow.

Yellow / Check First2nd yearBatch 2

What You Might Be Looking At

long narrow diffuser installed in ceiling, often in continuous runs

Apprentice words: linear diffuser, slot vent, long narrow diffuser, strip diffuser

Trade terms: slot diffuser, linear diffuser, continuous diffuser

Check First

Is the slot diffuser plumb and level?
Are joints between sections aligned?
Is the support continuous?

What Not To Do

Don't install slot diffuser without a string line or laser for alignment. Don't assume ceiling grid is straight.

What can go wrong: Visible misalignment, uneven airflow, noise, aesthetic complaints, re-work

Better Foreman Question

For this slot diffuser run, what's the alignment tolerance? Should I use a string line or laser?

Open In Ask Foreman

Verify With

Reference type: project specs, manufacturer install instructions

Source to verify: Slot diffuser manufacturer installation guide, project reflected ceiling plan

Safe wording: Slot diffuser installation varies by manufacturer and ceiling type.

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