Static field route #605

What do I do when forgetting cleat on long side of flange?

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

Treat the flanged joint as a manufacturer/spec-controlled connection: forgetting cleat on long side of flange.

Field checklist

Confirm duct size and connector type
Check gasket, corners, hardware, and access
Start hardware evenly before final tightening

Ask foreman

In Rectangular Duct Assembly: TDC / Ductmate / Flanges, I’m looking at: What do I do when forgetting cleat on long side of flange? What should I verify before I cut, drill, seal, cover, move, or install?

Do not

Do not force a flange together with wrong hardware, missing gasket, damaged rail, or unsupported duct weight.

Why it matters

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

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