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Static field route #91

What do I do when the drive misses the corner or S-lock area?

Rectangular Duct Assembly: S-and-DrivePolished core starter — shop/detail check

Back up and correct alignment. The drive needs to engage the hemmed edges properly at the corner; if it misses, the joint is not finished correctly.

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In Rectangular Duct Assembly: S-and-Drive, I’m looking at: What do I do when the drive misses the corner or S-lock area? What should I verify before I cut, drill, seal, cover, move, or install?

Do not

Do not use force, screws, tape, or mastic to hide a bad mechanical fit.

Why it matters

Shop standard, project drawings/specs, duct pressure class, foreman direction, and approved connection detail.

Search words: drive overlap, corner, S-lock, drive seating