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We are going to be putting a metal roof on our home, we've had 2 estimates, 1 said to lay directly on the shingles & the other said to put on 1x2" for air gap, which way is best
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I am generally in favor of going over the existing deck with a new layer of underlayment.
However, the best advice is to adhere to the instructions put forth by the manufacturer of the roofing.
4/29/2008
Or copy this URL: https://www.metalroofing.com/spirit/comment/11340/find/Isaiah Industries, Inc.
4/29/2008
Or copy this URL: https://www.metalroofing.com/spirit/comment/11341/find/