Flex Duct Support Spacing
Flex duct must be supported at intervals to prevent sagging and condensation.
Stop if
- Support spacing for this flex run? Wide strap or support method on detail?
Watch out
- Don't support with narrow wire or cable ties. Don't leave unsupported for long spans. Don't strap so tight it deforms inner liner.
Check
- Supported every 4-5 feet?
- Support wide enough to not compress insulation?
- Pulled tight without sag?
Steps
- Supported every 4-5 feet?
- Support wide enough to not compress insulation?
- Pulled tight without sag?
Say this to your foreman
Support spacing for this flex run? Wide strap or support method on detail?
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