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« on: August 05, 2020, 01:51:51 pm »
I just got off the phone with the RV/fiberglass repair shop.
A little background... In early June we were in Spearfish at the City campground when we got nailed with a severe hail storm. Hail was 2" and bigger, lasted about 5 minutes. Bathroom vent and "skylight" were pierced by the hail, a/c shroud also, side view mirrors broken, dents in the hood. Typical. The good news is that the 2 roof vents over the main living area had zero damage because I have Fantastic Fan vent covers on them.
The bad news was I got on the roof and found at least 8 places on the roof where the hail cracked the fiberglass roof. I covered the cracks with duct tape to keep rain out.
Like most (if not all) PC fiberglass roofs, ours wasn't firmly glued to the plywood underneath the fiberglass. We've been told that that's normal to allow the fiberglass to expand and contract with temperature.
OK... That's the lead in...
Took it to the fiberglass shop, they found 5 more cracks and said we needed to have the fiberglass roof replaced. They suggested with a rubber roof. Hail doesn't crack rubber, among other things. It does caulk and leave black marks on the side. Insurance company was fine with either fix.
We went with the rubber. The phone call I just got was about the original roof. It was essentially not glued down and as a result, left an airspace between the fiberglass and the plywood which over time allowed the moisture in the air to condense and ruin one of the plywood panels. He specifically said that it wasn't a bad caulk or seal, it was condensation in the air space.
So just a warning to you all, not sure how you can check that, but at least keep an eye on the plywood under the fiberglass by having a good shop check it now and then for soft plywood underneath the fiberglass.
Don