trillium belly band - Fiberglass RV


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Old 08-16-2010, 02:46 PM   #1
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Smile trillium belly band

Hi All,
We are in the process of fixing up our 1977 Trillium 4500. As I type my husband is removing the belly band to try and find a leak (or leaks). We were wondering, is that band necessary? Can we just clean up and re-glass, or bondo the little space under there (remove what is left of the rivets), polish, and maybe add a stripe? I am not a fan of that chrome and black rubber band anyway. Is the belly band doing anything?
As always, thanks!!
Marjie
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Old 08-16-2010, 02:50 PM   #2
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I believe it's there to hold the 2 pieces together.(upper /lower halves).
Don,t think it,s wise to remove,unless your looking to convert the trailer into a Convertible sun roof.
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Old 08-16-2010, 03:01 PM   #3
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Quote:
Originally Posted by marjie s. View Post
Hi All,
We are in the process of fixing up our 1977 Trillium 4500. As I type my husband is removing the belly band to try and find a leak (or leaks). We were wondering, is that band necessary? Can we just clean up and re-glass, or bondo the little space under there (remove what is left of the rivets), polish, and maybe add a stripe? I am not a fan of that chrome and black rubber band anyway. Is the belly band doing anything?
As always, thanks!!
Marjie
I had a 77 13ft Trillium on which the belly band was falling off.
I reattached it and bought the insert material from "camping world".
I did this for the same reason Trillium did, it is far easier than doing the necessary body work to hide the seam smoothly.
If you want to do the work, you can. The band is cosmetic.
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Old 08-16-2010, 03:48 PM   #4
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I took off the belly band and fiberglassed the joints to make it one piece. All i can say is it took me along time to fibreglass ans sand to male it all even. Depends how long you want to spend.
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Old 08-16-2010, 04:24 PM   #5
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I took off the belly band and in the back below the rear window was a strip of wood. On the right side it is fine, at just about the midpoint of the trailer the wood is soft and them rotten as you go above the right taillight, after that it is all glass again. Can I just fill that with bondo or polyester resin and then cover it up again?
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Old 08-16-2010, 04:31 PM   #6
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We have had some really thorough threads on the Trillium belly band, complete with diagrams of how it's put together, descriptions of how the shell halves are joined, and photographs of how different people have tackled the job. I think it would be worth a search to read those - I would if I were doing the job and had not read them yet.

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Old 09-24-2017, 07:06 AM   #7
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Hello All - I am trying to 'search' the threads for belly band info myself. When I type in the search words under the drop down menu from the top,I come up with nothing related to what I asked for. What am I doing wrong? I have great difficulty navigating the site for what I need. If someone could navigate me through the instructions - I promise - I will write them down for next time.

Thanks
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Old 09-24-2017, 08:02 AM   #8
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JRTrillium, best way to search in the Search drop down window is to type the keywords in the Google search box at the bottom of the drop down window. When I tried that and typed in "trillium belly band" I found useful threads on the subject. Dave Tilston has two good threads on the subject and so do several others.
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Old 09-24-2017, 08:08 AM   #9
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Here is David Tilston's first belly band thread:

My First Belly Band Thread
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Old 09-24-2017, 10:13 AM   #10
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The belly band has absolutely nothing to do with holding the two halves of Trilliums together. You'll realize this when you start taking it apart. The two halves are held together with fiberglass laid on the inside of the trailer. I personally think the belly band was the worst design on what I think is otherwise a great trailer. They fiber glassed steel washers between the two halves just to have a place for screws to hold on a decorative aluminum band. Then they sealed the band to keep the steel washers from rusting. Brilliant! NOT!!!

Do yourself a favor. Follow David's instructions on belly band removal/repair. It's definitely some work but you'll never have to worry about it again. I did it myself and if you can work with fiberglass fibered resin (aka bondo with fiberglass reinforcement), then its not too bad. When I had it all smoothed out I just masked off the area and painted it using a spray can. 2 1/2 years later it still looks good and NO LEAKS!!

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Old 09-24-2017, 10:57 AM   #11
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Originally Posted by stefman View Post
The belly band has absolutely nothing to do with holding the two halves of Trilliums together. You'll realize this when you start taking it apart. The two halves are held together with fiberglass laid on the inside of the trailer. I personally think the belly band was the worst design on what I think is otherwise a great trailer.
Escapes are based on Trilliums, and like Trilliums, the Escape is also fiberglassed together where the two mold halves join. But unlike the design you mention, Escape attaches their belly band holder with blind rivets and there is no hardware embedded in the fiberglass to rust.

Having said that, since the belly band is just cosmetic, I wish Escape had not applied a belly band at all. Why drill a bunch of non essential holes into an otherwise intact shell, and introduce the potential (however slight) for leaks?
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Old 09-24-2017, 11:07 AM   #12
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On the Trillium the belly band holds the two halves in place during manufacture. That's why the washers are fiberglassed in. After that the belly band hides the seam. I suspect the belly band serves the same pupose on the Escape . It's easier to apply a belly band than do body work.

Scamp has the better design in my opinion. Each half has a flange. They epoxy the flanges together.
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Old 09-24-2017, 06:49 PM   #13
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Thank you, John (in Michagan)! I will try that search method next time for what I am looking for.
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Old 09-24-2017, 06:52 PM   #14
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Originally Posted by Raz View Post
On the Trillium the belly band holds the two halves in place during manufacture. That's why the washers are fiberglassed in. After that the belly band hides the seam. I suspect the belly band serves the same pupose on the Escape . It's easier to apply a belly band than do body work.
The top and bottom halves on Escapes are glassed together before they leave the mold. It's unmolded as a one piece shell. The belly band provides no structural integrity, so that's a bit different than what you describe on a Trillium. But you're right about a belly band being easier than body work to hide a seam.
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