Forum Discussion
gbopp
Sep 04, 2019Explorer
I don't see that it would do any harm except maybe make the roof a little slippery.
I spray 303 Protectant on the sides of our 96 Southwind after it's washed. I would not hesitate to use it on a fiberglass roof.
I spray 303 Protectant on the sides of our 96 Southwind after it's washed. I would not hesitate to use it on a fiberglass roof.
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