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Apprentice Q&A · #109

How do I coordinate with the roofer before cutting the roof deck for a new curb?

3rd YearRoof Work & CurbsYELLOW · Check First

Mark out the exact footprint lines of the required opening on the underside of the deck first.

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Plain-English answer

Mark out the exact footprint lines of the required opening on the underside of the deck first.

Have the roofing contractor perform a rough cut or strip back their expensive finish membrane on the topside before your crew uses a sawzall or torch to cut through the structural metal or wood decking sheets. This prevents your crew from accidentally destroying the roof warranty.

Field checklist

Ask Foreman

Hey boss, I’m checking roof work & curbs: How do I coordinate with the roofer before cutting the roof deck for a new curb? I found the likely issue and want to verify the next step before I lock it in. Do you want me to adjust it now or check the drawing/detail first?

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Verify before acting

Use this as training guidance. The foreman, approved drawings, project specs, manufacturer installation instructions, employer safety policy, and AHJ/code requirements always control the final answer.

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