What do I check for finish work: duct liner / sound lining at openings?
Lined duct and sound boots need clean opening details. Loose liner, torn edges, blocked airflow, or exposed fibers can create performance, cleanliness, and punch-list issues.
Stop if The liner at this opening is loose/damaged. Do you want it repaired before I install the grille/diffuser? Watch out Stop if liner damage affects a return/supply opening, smoke/rated assembly, healthcare/clean area, or manufacturer/specified acoustic detail. Check Look inside opening for loose/frayed liner. Keep liner from blocking airflow path or damper operation. Make sure device/frame does not tear liner during install. Report damaged liner before covering it. Keep visible edges clean and secure per spec/detail. Steps Look inside opening for loose/frayed liner. Keep liner from blocking airflow path or damper operation. Make sure device/frame does not tear liner during install. Report damaged liner before covering it. Keep visible edges clean and secure per spec/detail. Say this to your foreman The liner at this opening is loose/damaged. Do you want it repaired before I install the grille/diffuser?
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