What do I check for finish work: transfer grilles and return air path?

Transfer and return devices support airflow paths. Finish install needs to match the designed air path, not just cover a hole.

Stop if

• Is this transfer/return opening in a rated wall or controlled assembly, and do we have the correct grille/detail before install?

Watch out

• Stop if the wall is rated, smoke-controlled, fire-rated, or if the return/transfer path is not shown clearly on approved documents.

Check

• Match grille size and type to schedule.
• Check opening alignment from both sides if paired grilles are used.
• Keep path clear of insulation, packaging, debris, or blocked plenum.
• Do not add or enlarge openings in rated assemblies without direction.
• Confirm final face is clean and secure.

Steps

• Match grille size and type to schedule.
• Check opening alignment from both sides if paired grilles are used.
• Keep path clear of insulation, packaging, debris, or blocked plenum.
• Do not add or enlarge openings in rated assemblies without direction.
• Confirm final face is clean and secure.

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