Driving home on interstate the other day I ran into a downpour. After awhile a couple of drops of water came down , looks to be from where the fiberglass roof over cap meets the metal vehicle roof, 09...
Well, That "guy" has no real knowledge. Silicone is NEVER used as a sealant on the roof. Dicor and eternabond is the way to go. Doug 1. Silicone will NOT adhere correctly to metal or fiberglass or paint 2. I can peel off Silicone from almost any type surface very easily. 3. Dicor adheres to almost anything and is self leveling.
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Having RV issues? Connect with others who have been in your shoes.24,370 PostsLatest Activity: Mar 17, 2026