Exterior Finishing

4.9

Aluminum/Vinyl Siding Is Bowed Or Wavy

Acceptable Performance/Condition
Siding shall be installed to accommodate thermal movement and anticipated shrinkage of the structure to which it is attached. Siding shall be free from bows and waviness when installed in accordance with the manufacturer’s specifications. Where local distortion is caused by bowed framing the variation from the specified plane shall not exceed ±20 mm.

Warranty
One-Year Work and Materials

Action
Bowed or wavy siding exceeding the acceptable condition shall be repaired.

Remarks
Varying lighting conditions can exaggerate minor variations in siding profile, texture and colour.
Minor waviness due to normal sheathing movements is acceptable.