Pat B's U-Haul renovation - Page 3 - Fiberglass RV


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Old 02-02-2013, 08:17 AM   #29
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Name: Kevin
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Our roof AC sits a bit uneven, too, due to the natural build of the trailer. While it offends my eye, I've just let it be. Good luck with your continuing project!
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Old 02-02-2013, 08:38 AM   #30
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Following Tom's guidance, I pulled the solar panel. It did not come easily, but the panel finally surrendered. The rails are very sturdy. I also pulled the vent to put in a fantastic fan. However, there is a slight rocker I need to deal with. The halves do not line up exactly on any axis. Since the old vent had a metal flange, you could bend it to meet the surface. I will have to cut a wood gasket, then sand it to meet the surface and glass it on.

If anyone has a better suggestion, PLEASE feel free to jump in. The gap bevels from the center to 1/4" on the outside edge. It can not be too thick I do have to get the trailer out of the garage . Maybe I should find a piece of scrap fiberglass? Since I am new at this, all suggestions are welcome.
Wow, good work in getting out that old solar panel.

I wonder if you could carefully cast a wedge shaped spacer in place by curbing the perimeter and pouring in fiberglass resin. It would automatically level if the trailer was level. You could also use bondo and sand it flat.

Given the amount of angle, I can't see you being able to just sand off the crown as it is right now. Time for a fiberglass expert to jump in.
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Old 02-02-2013, 10:30 AM   #31
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In here tells about my solor upgrade Solar update
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Old 02-02-2013, 12:18 PM   #32
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Name: Pat
Trailer: U-Haul CT13 ('Pearl')
SW Ohio
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I contemplated cruising for a hunk of old shower stall to act as a flat surface then level with wood wedges. Then disassemble, and resin in place. The final layer is glass cloth. Or I could only do a one sided wedge and leave it canted about half an inch. Bother.

Be nice if I had some experience in fiberglass.......
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Old 02-02-2013, 12:58 PM   #33
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I contemplated cruising for a hunk of old shower stall to act as a flat surface then level with wood wedges. Then disassemble, and resin in place. The final layer is glass cloth. Or I could only do a one sided wedge and leave it canted about half an inch. Bother.

Be nice if I had some experience in fiberglass.......
Fiberglass work is really not too difficult - sort of like stinky paper mache.

You might find it useful to look up fiberglass molding on YouTube - lots of instructional videos there.
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Old 02-02-2013, 06:28 PM   #34
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You are whacking off your center mold flange - out of all the modifications I've done on my Burro, that's one of the top most useful ones, I think. I used a Dremel cutting disk to hack it as close as safely possible, and then a palm sander to smooth it all out.

And Thomas is right about fiberglass work not being very difficult. Messy and stinky, yes. Difficult, no. Do wear breathing protection when sanding anything fiberglass, though. The papier-mache comparison is a good one. It's relatively forgiving and you can sculpt to you heart's content.
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Old 02-04-2013, 12:54 PM   #35
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Name: Pat
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SW Ohio
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Yes fiberglass stinks! I am being a good girl. Mask, goggles, minimizing dust, long sleeves and a dedicated fiber sweatshirt. I did have hazmat 40 training...... I am working on my fan-roof adapter this afternoon. But, that is just sawdust.
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Old 02-04-2013, 09:22 PM   #36
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Trailer: 1984 u-haul ct13; 1996 Casita 17 Spirit Deluxe; 1946 Modernistic teardrop
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I just ground down the center ridge slightly, then installed the new Fantastic Fan with butyl tape. No leak, but there was a flaw in the seam just a little to the rear of the roof vent and under the solar panel that did leak. I removed the panel, left the rails on, Fiberglassed over the wire hole and the seam flaw.
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