We are upgrading to a metal roof from asphalt shingles and rubber roofing, post Hurricane Matthew. We lost 6 trees that served as a wind barrier between our house and the river. The roofer has suggested a 29 gauge metal placed over the existing double layer asphalt shingles and rubber over asphalt roll-on (where the roof is flat). Is this a good plan of action? Is it ok to put the metal over a double layer roof? Is 29 gauge the proper thickness?
Guest User
2017-03-01 13:09:10.000000
I would prefer to see the thermal mass of that roof reduced by removing the shingles.
29 ga is fine as long as the panel is well designed.
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