Tell someone or document it before you close it up.
Existing duct insulation is torn, missing, or damaged on a renovation
Treat damaged existing insulation as an as-found condition. Document it before disturbing it, then ask whether your scope includes repair or replacement.
Do not tear off existing insulation to make your work easier until scope and safety are verified.
Check
Take wide and close photos before touching it.
Note room/grid/system and what work you were about to do.
Check for wet, moldy, brittle, suspect, or unknown material.
Ask foreman/PM whether this is in your scope before removing or repairing.
Steps
Take wide and close photos before touching it.
Note room/grid/system and what work you were about to do.
Check for wet, moldy, brittle, suspect, or unknown material.
Ask foreman/PM whether this is in your scope before removing or repairing.
Say this to your foreman
This existing insulation is damaged at [location]. Do you want this documented as existing condition, repaired by us, or handled by another scope before we continue?