Static field route #576

What do I do when burrs on the drive are catching the hem?

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

Stop and deburr or replace the drive. Burrs can gouge the hem, distort the joint, and make the drive walk crooked.

Field checklist

Straighten, trim, deburr, or replace the damaged piece
Test fit before driving

Ask foreman

In Rectangular Duct Assembly: S-and-Drive, I’m looking at: What do I do when burrs on the drive are catching the hem? What should I verify before I cut, drill, seal, cover, move, or install?

Do not

Do not force damaged connector metal and then hide it with sealant.

Why it matters

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

Search words: burrs, deburr, drive cleat, hem damage