Layout & Coordination · Wall penetration
Lay out wall opening
Square Duct Installation — Horizontal duct
Task typeWall penetration
Tools / equipmentPlans, laser, wall scanner
How to install it
- 1
Mark duct outside dimensions plus approved annular/sleeve allowance
- 2
coordinate elevation and fire/smoke rating.
Quality check
- Opening centered
- clearance correct
Stop and verify
Stop if wall is rated or structural and detail is missing