Gepp 870-458-2900 | Harrison 870-429-0000 Monday - Friday 8:00 am to 4:30 pm

Roof Preparation

Any irregularities in the roof, including uneven plywood joints, warped plywood, uneven trusses, poor application of underlayment, the use of button caps with felt paper, etc., can promote oil-canning. Oil-canning is a wave-like, rippled appearance extending up the length of the panel after it has been installed on the roof. Care should be taken to provide a flat, uniform surface on which to attach the panels.

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