Roof vent replacement repair - Fiberglass RV
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Old 05-24-2024, 08:10 AM   #1
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Name: Kevin
Trailer: Burro
Texas
Posts: 2
Roof vent replacement repair

Hi, first post looking for advice for my Ď82 burro.

I'm currently replacing the oringinal roof vent with a fan-tastic vent. Removing the old vent was a challenge, the old sealant did not give up easily and took much scraping with a chisel and prying and bending of the aluminum frame to get it off. Unfortunately some of the fiberglass was stuck to the sealant and came off with the frame, leaving a rough border around the hole as shown in the pic.

My question is: do I need to repair or reinforce the fiberglass around the border edge before installing the new vent? If so would resin be enough or do I need fiberglass? I think I could probably go ahead and install it with just butyl tape over the border and then seal it with Geocel Pro Flex but want to hear the communityís opinion.

Thanks!
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Old 05-25-2024, 03:28 AM   #2
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Trailer: Boler 13 ft
Posts: 2,041
Resin alone will do nothing to strenghten it.
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Old 05-25-2024, 08:30 AM   #3
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Name: Kevin
Trailer: Burro
Texas
Posts: 2
So based on the damage in the picture I should definitely repair it and fiberglass is necessary? Any other options? Seems like a tough patch around the edges vs a hole in a surface. I can’t find any similar repairs in the forums, would appreciate pointers.

Thanks again.
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Old 05-25-2024, 05:16 PM   #4
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Trailer: Boler 13 ft
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Here is what I did on my Casita when putting in a Maxifanvent ... I put butyl tape down and because I wanted to lift the vent due to it being alot higher them the old fan vent I took out, I got some 3/4 inch, what I call plastic wood, from Home Depot and made a frame the same size as hole. My boards were ripped 2 inches wide. on top of this one 3/4 inch layer I raise it another 3/4 inchs using the same method ... the 2 inch width coverd any holes or imperfections in the fiberglass. I then placed my maxifan on top of this. Don't worry about the edges of the fiberglass on your camper the bezel and trim that comes with you new fan, will cover all of this. Good luck ... even if you do not raise it butyl tape and trim should cover everything ... I can not post pictures sorry.
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