Static field route #123

What do I do when installing flange joint with unsupported duct weight hanging on it?

Rectangular Duct Assembly: TDC / Ductmate / FlangesPolished core starter — connector/detail check

Treat the flanged joint as a manufacturer/spec-controlled connection: installing flange joint with unsupported duct weight hanging on it.

Open in Field Rescue Open category

Field checklist

Support both sides
Check hanger elevation
Tighten only after the joint is not under load

Ask foreman

In Rectangular Duct Assembly: TDC / Ductmate / Flanges, I’m looking at: What do I do when installing flange joint with unsupported duct weight hanging on it? What should I verify before I cut, drill, seal, cover, move, or install?

Do not

Do not leave duct weight hanging on the flange joint.

Why it matters

Project specs/submittals, manufacturer connector instructions, shop standard, foreman direction, and approved flange detail.

Search words: tdc ductmate flange support