Square Duct Taps & Branching · Top tap
Branch upward
Square Duct Installation — Top of main
Task typeTop tap
Tools / equipmentLift, snips, level, clamps
How to install it
- 1
Verify structure clearance
- 2
cut opening
- 3
install tap
- 4
plumb branch
- 5
support riser independently.
Quality check
- Top panel not bowed
- branch plumb
Stop and verify
Stop if main reinforcement is inadequate