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    Construction Performance Guidelines

About the Guidelines

These helpful guidelines outline work and material deficiencies in new homes and residential condominium units covered under the statutory warranty [...]

Aluminum/Vinyl Siding is Bowed or Wavy

Article Number

4.9

Condition

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. Local distortion from the specified plane shall not exceed 20 mm.

Warranty

One-Year - Work and Materials. Two-Year - Cladding Detachment, Displacement or Deterioration

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. See Also: 3.2 WALL IS BOWED

    

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