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I need to put up a tin roof on our barn and want to put it over the pre existing roof, Do I need to put up frame work before I put the tin up or can it just be put down on top of the plywood?
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Most metal roofs can be put over plywood. I would always suggest a layer of underlayment. Only a few styles of metal roofing must be installed on battens.
6/17/2009
Isaiah Industries, Inc.
6/17/2009