Static field route #125

What do I do when wrong bolt spacing or missing clamps on long flange?

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

Bring the flange together evenly: wrong bolt spacing or missing clamps on long flange. Start hardware in a balanced way and do not twist the flange or crush the gasket.

Open in Field Rescue Open category

Field checklist

Verify fastener/clamp type
Check long-side clamp/bolt pattern
Confirm corners and straight runs are secured

Ask foreman

In Rectangular Duct Assembly: TDC / Ductmate / Flanges, I’m looking at: What do I do when wrong bolt spacing or missing clamps on long flange? What should I verify before I cut, drill, seal, cover, move, or install?

Do not

Do not grab random hardware from the bucket and call it good.

Why it matters

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

Search words: tdc ductmate flange clamping