Install Metal Over Old Shingles
September 24, 2009 | Filed under: Misc, Roofing Answers, Roofing Installation
Q: I was given a quote to install a metal roof over the existing shingles. The shingles are very curled on parts of the roof. Is this an issue? The installer stated the curls would break off when they are walking on it during the installation.
A: I suggest two things.
1) Always a layer of underlayment over the old shingles.
2) Send a picture of the current roof to the manufacturer of the metal roofing and get their input.
Todd Miller has spent his entire career in the metal building products manufacturing industry. He is president of Isaiah Industries, an organization recognized as one of the world’s leading metal roofing manufacturers. Todd is currently Vice President of the MRA (Metal Roofing Association) and a Past Chair of MCA (Metal Construction Association). Through his website, he strives to raise the bar on standards and practices to provide property owners with the best possible products for successful roofing projects.
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