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« Last post by Fred Brooks on July 12, 2026, 08:43:41 PM »
Greetings Randy,
I would recommend Dicor self-leveling sealant for all roof openings such as vents, antennas, skylights, ect. Clean existing surfaces with alcohol or laquar thinner and apply a liberal amount with a throw-away paint brush.
For the fiberglass roof I recommend Rustoleum marine Topside Deck paint, #396959 Gloss white. It has a sanded finish for no-slip application in the event you have to be up there when the roof may have dew on it. 3 quarts will give you 2-coats of cover and will last 3-4 years if stored in the sun. Hope this helps, Fred