Air Distribution · Concentric Boxes
Concentric box in exposed ceiling
Concentric supply/return assembly — Open ceiling
ConnectionVisible supply/return assembly
SupportArchitectural support
How to install it
- 1
Lay out centerline
- 2
support box level
- 3
connect ducts neatly
- 4
protect finish
- 5
install face and trim.
Quality check
- Plumb, clean finish, straight visible connections
Stop and verify
Stop if support layout is visually inconsistent