Oil Canning, Metal Over Shingles, Contractors, Dissimilar Metals

Watch this episode of @TheMetalRoofingChannel to learn about oil canning on a metal roof, installing a metal roof over a shingle roof, how to find a qualified contractor, and the effects of dissimilar metals.

In our show, @TheMetalRoofingChannel, Thad Barnette answers four common metal roofing questions in five minutes or less! This episode includes topics about what oil canning is and how it can affect a metal roof, should you install metal over shingles, what makes a contractor qualified and how to find one, and how dissimilar metals factor into assembly design. Additional content is included below if you want to learn more about each topic.

Topics covered:

• What is oil canning? – 0:08
  • Learn more about what oil canning is, how can you prevent it, and methods to minimize its appearance.
• Is it ok to put a metal roof over a shingle roof? – 0:40
  • Watch our metal over shingles Q&A.
• How do you know if a contractor is truly qualified? 1:07
  • Download your free guide on how to find a qualified metal roofing contractor.
• Do you have to consider different metal types for fasteners based on the roofing metal type? – 1:44