Ductwork Color Coding

For this project, what duct color coding is required? And should I paint before or after installation?

I'm checking ductwork color coding at [location]. I found ductwork painted or labeled with specific colors for supply, return, exhaust, or other systems. For this project, what duct color coding is required? And should I paint before or after installation?

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Stop if

Hold point on ductwork color coding: I have the location, photo, drawing/detail, and what I checked. Who should verify before this gets cut, drilled, covered, lifted, connected, or signed off?

Watch out

Don't paint duct without checking color requirements. Don't assume standard colors.

Check

room/grid/area
photo of condition
drawing/detail or submittal
what I already checked
what is blocking progress

Say this to your foreman

14134 ductwork color coding inspection, qa/qc, finish & closeout blue 1 for this project, what duct color coding is required? and should i paint before or after installation? i'm checking ductwork color coding at [location]. i found ductwork painted or labeled with specific colors for supply, return, exhaust, or other systems. for this project, what duct color coding is required? and should i paint before or after installation? duct color coding, hvac pipe color, system identification color duct color coding, system identification color, painted duct paint the duct, duct color, system color, pipe color