Static field route #579

What do I do when the S-and-drive joint will not line up?

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

Support both duct sections, check for racking, bent connector edges, wrong piece, or wrong elevation. Align the duct first; then start the joint.

Open in Field Rescue Open category

Field checklist

Verify orientation
Check squareness and cross-break direction
Confirm the piece belongs in that spot

Ask foreman

In Rectangular Duct Assembly: S-and-Drive, I’m looking at: What do I do when the S-and-drive joint will not line up? What should I verify before I cut, drill, seal, cover, move, or install?

Do not

Do not force the duct until it buckles or locks in wrong.

Why it matters

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

Search words: joint will not line up, alignment, clamp, duct stretcher