Interior Climate Control

8.9

Ductwork Makes Noise When Floor Is Walked On Commonly Known As Oil Canning

Acceptable Performance/Condition
Ductwork shall be constructed and installed to prevent oil canning.

Warranty
One -Year Work and Materials
Damage due to normal shrinkage of materials caused by drying after construction is not covered by the warranty.

Action
Ductwork not meeting the acceptable performance shall be repaired.

Remarks
Weight transfer on floors over metal ductwork can sometimes result in a temporary deflection of the metal ductwork. Shrinkage of floor joists may cause oil canning.