2023 MAC 425 - Roof fan reseal

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Hi all,

I have some cracking around the roof fan and need to reseal it. I purchased some Dicor Ultra Sealant on the advice of the service techs.

I am preatty sure the roof material is fiberglass panel. can anyone confirm this for me. I want to use denatured alcohol to prep the area per Dicor but I dont want to damage the roof.

I am open to other preperation ideas as well

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