Transfer Duct Above Ceiling
Transfer ducts move air between spaces and can affect sound, fire/smoke separation, pressure, and ceiling coordination.
What This Helps With
Transfer ducts move air between spaces and can affect sound, fire/smoke separation, pressure, and ceiling coordination.
Apprentice words: transfer duct, jumper duct, relief air, transfer grille, above ceiling transfer
Common problem: Installer treats transfer duct like a random jumper and misses lining, damper, or rated wall requirements.
Check First
What Not To Do
Do not cut transfer openings through rated walls without approved detail. Do not leave unlined transfer if acoustics require lining.
What can go wrong: Installer treats transfer duct like a random jumper and misses lining, damper, or rated wall requirements.
Better Foreman Question
This transfer duct crosses [wall/ceiling area]. Is there a rating, lining, or damper requirement here?
Verify With
Source to verify: Mechanical drawings, architectural wall ratings, acoustical details, code/AHJ if rated
Safe wording: Rated walls and sound requirements make transfer ducts red/yellow-zone hold points.