Multi-System · Dampers & Life Safety
Duct through rated floor with firestop
Metal duct — Rated horizontal assembly
ConnectionSystem-specific duct joint
SupportIndependent supports
How to install it
- 1
Install listed sleeve/penetration system
- 2
support duct independently
- 3
maintain annular space
- 4
apply approved firestop system exactly
- 5
label/document installation.
Quality check
- Listed system matches opening/duct/assembly
- depth and backing correct
Stop and verify
Stop if listed system cannot be identified