Static field route #601

What do I do when installing gasket on dirty flange face?

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

Fix the gasket condition before bolting/sealing: installing gasket on dirty flange face. The gasket needs clean contact and continuity at the flange/corners.

Open in Field Rescue Open category

Field checklist

Clean the flange face
Check gasket continuity and corners
Make sure the gasket stayed in place while lifting

Ask foreman

In Rectangular Duct Assembly: TDC / Ductmate / Flanges, I’m looking at: What do I do when installing gasket on dirty flange face? What should I verify before I cut, drill, seal, cover, move, or install?

Do not

Do not bolt over dirty, wet, folded, missing, or displaced gasket.

Why it matters

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

Search words: Rectangular Duct Assembly: TDC / Ductmate / Flanges installing gasket on dirty flange face