Field problem

Verify first

Verify before you commit. Cheap to catch now.

Backside Riser Flange Hardware Cannot Be Reached

Stop before closing the shaft-side joint. Verify access to every required corner, cleat, bolt, gasket edge, seal point, and inspection surface while the section can still be positioned.

Rectangular Duct & Fittings 2nd Year YELLOW

Stop if

Watch out

Check

Steps

Say this to your foreman

The riser joint fits, but the shaft-side corner and cleat cannot be reached after the section lands. I checked access from both floors. Do you want the joint orientation or installation sequence changed before we set it?

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