What causes oil canning on metal roofing and how do you prevent it? Can it be fixed on an existing roof?

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Oil canning is the perceived waves and bows on metal roofing panels, and it's always been a hot topic in the metal roofing industry because it's an inherent characteristic of light-gauge, cold-rolled metal. Today on the Metal Roofing Channel, Thad Barnette defines oil canning, explains its causes, covers preventative measures that can be taken before and during installation, and discusses if there are any possible fixes to explore after installation.

Read the oil canning blog article here: http://bit.ly/oil-canning-definition-...

Make sure your metal roofing contractor is up to the task by asking them these questions: http://bit.ly/contractor-questions-ch...

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