Fill and repair holes in Fiberglass - Fiberglass RV



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Old 06-18-2019, 01:03 PM   #1
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Fill and repair holes in Fiberglass

I just got a Surf Side trailer and previous owners have tried to install new hinges, everywhere. How do I fill and fix these holes? I will post a photo when find out how. Brian
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Old 06-18-2019, 02:06 PM   #2
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Use the Search function and you will find this thread:
Posting photos.

These illustrated instructions are at the Escape Forum, but same process as here:

Posting Photos - Escape Trailer Owners Community
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Old 06-19-2019, 09:19 AM   #3
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Brian, I have a similar problem, how to fill hole in fiberglass. It will be interesting to see the responses when people get around to responding to your question rather than how to post pics.
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Old 06-19-2019, 09:30 AM   #4
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Fiberglass repair

Hi, I have the same issue. I'm going to try Bondo Glass (short strand). I found it at Home Depot.
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Old 06-19-2019, 09:59 AM   #5
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Something like Bondo with glass reinforcing will work. I would first make either the outside or inside of the opening wider, tapering to the existing hole size, as this will provide more bonding area. If you plan to use gelcoat to finish I would ensure a very slight depression on the exterior to hold the gelcoat and allow it to be finished flush.
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Old 06-19-2019, 10:09 AM   #6
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Marine-Tex, in white.
https://www.amazon.com/Marine-Tex-St.../dp/B07P6GHB9M
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Old 06-19-2019, 10:10 AM   #7
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Somewhere someone said to use Marine-Tex Standard RM305K-B White:
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Old 06-19-2019, 10:18 AM   #8
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Having worked on fiberglass boats for many years, I still find that Marine Tex is a very good product for filling small holes in fiberglass. I stay away from Bondo as it isn't waterproof and when it gets wet it will bubble up and makes a mess. I have found that some Ace Hardware stores carry Marine Tex.
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Old 06-19-2019, 12:50 PM   #9
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How do you gel coat small repairs ?
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Old 06-19-2019, 01:41 PM   #10
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Lots of info on the internet, just Google. Good book "The Gougeon Brothers on Boat Construction".

On Amazon:FIBRE GLASS-EVERCOAT CO Gel Kote White Pint

This can be purchased with or without wax.

I am not sure which is best, and have no experience with this stuff...yet. I expect to after this camping season is over.
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Old 06-19-2019, 01:53 PM   #11
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You Can Repair Fiberglass
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Old 06-19-2019, 04:19 PM   #12
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According to the manufacturer, Bondo Glass is waterproof and they recommend it for marine applications as well as for autos. I guess I will find out as I used it on my belly band rebuild.

Now the Marine Tex product above looks good for small holes. On my belly band project I had to fill a lot larger holes.

https://www.3m.com/3M/en_US/company-...3242372&rt=rud
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Old 06-19-2019, 07:53 PM   #13
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Bill

I have an Escape 19 Year newer than yours, and I use epoxy products only on both boats and fiberglass trailers.I have to admit that I haven't used any Bondo Glass, but got away from using Bondo a long time ago. Epoxy products will dry hard because of chemical reaction that cause heat and is waterproof, It will fill most larger holes, but like many products it isn't designed for real large holes, but I have always found it to be very good.
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Old 06-26-2019, 11:09 AM   #14
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Lots of good info here.
http://shipshapetv.com/
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