I had a fiberglass roof on two Winnebagos and thought they were God's gift to RV roofs.
I changed my mind when I scrap out the sealant/adhesive and replace it on my 31' Class A where the roof meets the sidewalls. If not done in time and correctly the roof will peel of while driving. That was a total of about 60' worth of sh...t work.
I currently have a TPO roof and I am happy with it. It's still fairly new so I didn't have to use sealer yet. When the time comes it's just plain old Dicor, not the expensive and harder to get Manus 75.
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Retired "Quiet Professional". Lifetime HSUS and ASPCA member.
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