Field problem

Verify first

Verify before you commit. Cheap to catch now.

Screw holes or unused holes not sealed

Treat wrong screw holes and unused penetrations as possible leak paths. Mark it and ask how the foreman wants it patched/sealed.

Sealing, Leakage, Mastic & Pressure Testing 2nd Year YELLOW

Stop if

Watch out

Check

Steps

Say this to your foreman

I put a screw hole in the duct face here. Do you want it sealed, patched, or left for inspection before repair?

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