Static field route #13811

TDC gasket keeps falling out during lift

Rectangular Duct Assembly: TDC / Ductmate / FlangesV138 audit-polished route

Restage the joint before bolting. Keep the gasket seated and continuous with an approved tack/adhesive method or second person watching the gasket line.

Open in Field Rescue Open category

Field checklist

Clean flange face.
Dry-fit gasket while low.
Use approved tack/adhesive only if allowed.
Have helper watch gasket during lift.
Recheck full gasket before tightening.

Ask foreman

The gasket keeps falling out during the lift. Do you want tack/adhesive, a second hand, or different staging?

Do not

Do not bolt over a rolled or displaced gasket.

Why it matters

A slipped gasket becomes a hidden leak after the joint is tight.

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