What do I check for finish work: insulation/vapor barrier patch at final connections?

Final connections often disturb insulation. Bad patches can create sweating, damaged ceilings, callbacks, and ugly exposed work.

Stop if

• This final connection tore the jacket/vapor barrier. Who is patching it, and what material does the spec require?

Watch out

• Stop if insulation damage is on a chilled/sweating-prone system, exterior duct, rated system, grease duct, or special exhaust and the repair method is unclear.

Check

• Repair tears per project/spec direction.
• Keep vapor barrier continuous where required.
• Avoid compressing insulation at straps/supports.
• Seal around penetrations neatly.
• Photograph patched areas if hidden above ceiling.

Steps

• Repair tears per project/spec direction.
• Keep vapor barrier continuous where required.
• Avoid compressing insulation at straps/supports.
• Seal around penetrations neatly.
• Photograph patched areas if hidden above ceiling.

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