Forum Discussion
Almot
Dec 11, 2015Explorer III
I think what the Kauai member was trying to find out was the difference between RV rubber roofs (or whatever synthetic they use). Beemer is right - TPO is not a "rubber" but vinyl-like plastic, so might need different sealers. As to the commercial grade PVC - I don't recall any on RV roofs.
There is more than 2 types of roof material on RV: beside EPDM and TPO, there are also fiberglass and aluminum. Either FG or aluminum will outlast any rubber or plastic (this includes commercial PVC) in terms of aging, especially in places with plenty of sun. But, from what I hear, aluminum roofs are very thin and more prone to punctures than all other types mentioned here.
There is more than 2 types of roof material on RV: beside EPDM and TPO, there are also fiberglass and aluminum. Either FG or aluminum will outlast any rubber or plastic (this includes commercial PVC) in terms of aging, especially in places with plenty of sun. But, from what I hear, aluminum roofs are very thin and more prone to punctures than all other types mentioned here.
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