Bigfoot restore/updating - Fiberglass RV


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Old 03-28-2015, 11:21 AM   #1
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Name: Mike
Trailer: Bigfoot
Alberta
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Bigfoot restore/updating

Hello folks, have not been posting for a little bit, I think my last post I introduced myself and my new (to me) 1981 Bigfoot B17 deluxe. When I purchased this trailer I did notice some issues, some minor, some a bit more major. I noticed on the roof it was wavy and not flat like it should be. After closer inspection on the inside ceiling I noticed a big water spot painted over... This raised some concern. It occurred to me reading on the forums and what not this is a sort of delamination (separation of the shell/foam/inside panelling).

Anyways long story short I got into it. I removed the ceiling panel and all the block foam was discolor and completely separated. I have since removed the foam and found the sports where water has gotten in. After cleaning up and sanding all of the remaining glue I proceeded to put it back together, but better (I hope :P). I patched the trouble spots with fibreglass, rebuilt the mounting for the cabinets and fibre glassed them in, and also built some extra wood supports. At this point the framing is done, and new foam glued in. This is where I am at right now. I will keep posting along the way. Please chime in your thoughts, thanks!
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Old 03-28-2015, 11:24 AM   #2
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Trailer: 2007 Eggcamper & Homemade Tear Drop
New York
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Looks good 👍


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Old 03-28-2015, 10:43 PM   #3
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Thanks for the update, Mike. I always like to see pics that show how the Bigfoots were put together. We have some projects on ours that we'd like to tackle and I'd like to gather as much information going into them as I can get before we start ripping things apart!
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Old 03-29-2015, 09:09 AM   #4
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Name: Mike
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Alberta
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I will post and update as much as I can, it rained quite a bit yesterday I piped my head inside and noticed a good leak now. Right at the belly band and also the top window frame in the front. Ahhh more to do today


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Old 03-29-2015, 01:37 PM   #5
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Name: Jeff
Trailer: 17' Big Foot
British Columbia
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Mike
I hope you don't mind me asking question in rapid fire way. I communicate better that way.
Thank you for the pictures. What glue did you use?
When you said the roof was wavy, how wavy?
Did you put the wood on the ceiling or was it originally there?
Did you remove the interior to see the belly band leakage?
More questions to come. Thanks mike
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Old 03-29-2015, 05:38 PM   #6
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Name: Rick
Trailer: 1999 Bigfoot 21RB 2500
British Columbia
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Hi Rick here I used to own a 1987. I took off the beauty strip from the outside. It would be pretty hard for the for the Belly band to leak as the top portion of the trailer overlaps the bottom by at least a inch and a half, unless u have a crack I don't see how water can get in there. I used butalayne tape all the way around on the belly band and then stainless steel screws a little longer than stock ,very pricy as there so many. Also Jeff if u want to see how they r built come to the Bigfoot Rally in Osoyoos Bc. R u a member of BOCI . The owner of Bigfoot Grant, is having a day that we can go to the plant in Armstong, Bc Sept 13-18 is the rally
Also one of the biggest leakers in the older trailers was the windows, pretty easy removal again lots of screws , new butalayn tape and new screws good luck
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Old 03-29-2015, 07:22 PM   #7
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Thank you Rick
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Old 03-30-2015, 08:07 AM   #8
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Name: Mike
Trailer: Bigfoot
Alberta
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Hi Jeff I will try to answer everything the best I can. The roof was quite waved where some glue was still attached and other spot it was completely let go. There was only 3 strips in the roof for the cabinets to mount into. The glue I used was a extreme heavy duty autobody spray from an auto body shop (proform). The glue worked great but it is deadly expensive...

The belly band had no putty tape at all just a thin bead of silicone. Not sure if it was fixed poorly once already. The wasn't leaking from the seam itself as it does overlap, but the screw holes of nearly every screw . Some of the small strips of wood for those screws to bite to have rotted away. I work at a RV dealer so I'm hoping I can score some putty tape for cheep today... Hope this helps. Thanks rick for the info!


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Old 03-30-2015, 08:18 AM   #9
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Name: Mike
Trailer: Bigfoot
Alberta
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I also forgot to mention about what I thought removing the band. I figured if I just removed all the screws it would collapse on itself. What I decided to do was as I removed the screws and banding then put them back in behind me as I went. Then clean, remove them again put on the putty tape and screw it back together obviously putting them back in as I go along.


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Old 03-30-2015, 08:43 AM   #10
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Name: Rick
Trailer: 1999 Bigfoot 21RB 2500
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Hi Mike i removed one side at a time . They only used silicone on the band as it does overlap. also they silicone beauty band , as to keep water and junk from biulfing up around the screws and yes leaking into the inside. the butalayne tape works great. Have fun restoring. I own a 1999 21rb 2500 in mint condition nothing relly wrong with it except tweeking the interior to my liking. Go Bigfoot Go Don't forget to join BOCI.
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Old 04-08-2015, 09:15 AM   #11
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Name: Mike
Trailer: Bigfoot
Alberta
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Just a bit of an update folks. Belly band is back in and sealed up on the front. Yesterday I finally had another full day to work on the bigfoot. I removed the wall and insulation from under the wonder as the window leaked all in behind there. To my dismay I found several pin size holes and bigger sprayed across the front. I fibreglass patched it, today and lunch I'm gonna make another quick batch of resin and finish up a few more patches. The attached picture you may be able to see ALL or most of the holes/a bit of patch work. Click image for larger version

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Old 04-08-2015, 11:09 AM   #12
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Name: Mike
Trailer: Bigfoot 17' DLX
Alaska
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Looks like the spot where the propane regulator is normally mounted. This would be behind the propane cylinder/battery shroud. Where is your propane regulator?
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Old 04-08-2015, 11:40 AM   #13
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Name: Mike
Trailer: Bigfoot
Alberta
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Hi Mike,


That part yes it is where the regulator mounts from the outside. That is the obvious part, it seemed to have more holes on that mount than necessary so I glassed it and will drill new holes. I guess you cant see all the other holes/cracks/splits. This morning with the sun hitting it you could see all the light coming through all of them. I bet there is at least 50. It seems the PO covered it up with rock guard, i think due to rocks from driving a lot of gravel roads...
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Old 04-09-2015, 04:31 AM   #14
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Name: mike
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Hi there Mike...My names also Mike and I just bought a 1980 17ft bigfoot that needs some saggy roof repairs as well...I was just wondering how hard it was to access and what needed to be removed to do the repairs...I really Dont want to strip the whole interior because it is all in good shape. Any info or tips would be greatly appreciated.
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