Failing to seal all duct joints with mastic or foil tape per code
1st YearInstallation
Seal every joint on every section before moving on. Mastic is preferred for permanence; UL 181 foil tape is acceptable. Unsealed duct leaks conditioned ai…
Safer field move
Seal every joint on every section before moving on. Mastic is preferred for permanence; UL 181 foil tape is acceptable. Unsealed duct leaks conditioned air and fails inspection.
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Can you verify this before I keep going? I’m looking at: Failing to seal all duct joints with mastic or foil tape per code. What’s the approved correction for this job?
Do not
Do not hide, force, cover, or “make it work” if this affects safety, access, airflow, rated assemblies, supports, equipment, or inspection. Stop and verify the approved correction.