Mixed insulated/uninsulated flex incorrectly
Do not mix insulated and uninsulated flex unless the drawing/spec/foreman says it is allowed.
Stop if
- This area has insulated/uninsulated flex mixed. Which material is approved for this run?
Watch out
- Do not substitute flex type because it is what is left in staging.
Check
- Identify where insulated vs uninsulated flex is being used.
- Check whether the area is conditioned/unconditioned, return/supply, or special system.
- Verify vapor barrier/condensation needs.
- Ask before substituting.
- Separate wrong material.
Steps
- Identify where insulated vs uninsulated flex is being used.
- Check whether the area is conditioned/unconditioned, return/supply, or special system.
- Verify vapor barrier/condensation needs.
- Ask before substituting.
- Separate wrong material.
Say this to your foreman
This area has insulated/uninsulated flex mixed. Which material is approved for this run?
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