Transfer Duct Above Ceiling

Transfer ducts move air between spaces and can affect sound, fire/smoke separation, pressure, and ceiling coordination.

Stop if

• This transfer duct crosses [wall/ceiling area]. Is there a rating, lining, or damper requirement here?

Watch out

• Do not cut transfer openings through rated walls without approved detail. Do not leave unlined transfer if acoustics require lining.

Check

• Rooms connected, wall rating, grille type, lining/sound requirement, damper requirement, and ceiling clearance.

Steps

• Rooms connected, wall rating, grille type, lining/sound requirement, damper requirement, and ceiling clearance.

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