aluminum directly on wood: "is an underlayment requred under aluminum roofing? if so why?" - Guest User (10/31/2009) | Aluminum versus other Metal | Archive

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is an underlayment requred under aluminum roofing? if so why?		Guest User 10/31/2009	Share Or copy this URL: https://www.metalroofing.com/spirit/comment/14077/find/
I prefer underlayment beneath all metal roofs, even if old shingles are still in place. My interpretation of the International Building Code says it is required. Not all people may interpret it that way.		Todd Miller Isaiah Industries, Inc. 11/1/2009	Share Or copy this URL: https://www.metalroofing.com/spirit/comment/14078/find/