Rectangular & TDC · Dampers & Life Safety
Rectangular fire damper in wall
Life-safety damper — Rated wall penetration
ConnectionListed breakaway connection
SupportIndependent duct supports
How to install it
- 1
Use manufacturer sleeve/retaining-angle detail
- 2
install damper in correct plane and airflow orientation
- 3
maintain expansion clearance
- 4
connect duct without rigidly bridging required breakaway
- 5
provide access.
Quality check
- Label visible
- access usable
- retaining method complete
- blade free
Stop and verify
Stop if wall rating, damper listing or installation detail does not match