Construction Performance Guidelines
Article Number
8.13
Condition
NOISE CAN BE HEARD AT REGISTER
Acceptable Performance/Condition
Floor registers and cold air return grilles shall be installed to prevent rattling.
Warranty
One-Year - Work and Materials. Damage resulting from improper maintenance, or from additions, deletions or alterations made by the homeowner is excluded from the statutory warranty.
Action
Floor registers or cold air return grilles not meeting the acceptable condition shall be repaired.
Remarks
The sound of air movement at floor registers or cold air return grilles is normal, but they should not rattle under normal use. See Also: 8.11 NOISY DUCTWORK