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11-02-2014, 04:07 PM
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#1
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Senior Member
Name: Jay
Trailer: Boler 1300
Ontario
Posts: 331
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Looking for advice on sagging roof
Hi everyone! I am looking for some help with the roof on my boler 1300. When I bought the trailer (last month) the ceiling was sagging at the roof vent, by quite a bit too. I removed the roof vent and put a support post in temporarily to try and force the roof back into place. This has worked for the most part but I can't imagine the roof not sagging again.
Any ideas about how I might fix this?
As a side note I do not have a support at all on the kitchen side like many other boler's I have seen but this does not seem to be a factor. Still might put one in.
 
Here are some pics of the vent cut out, you can see I am still cleaning off all of the products that have been put on to try and stop the vent from leaking. The other pic is the post I have had in place for the last week trying to reshape the roof.
Sent from my iPad using Fiberglass RV
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11-02-2014, 04:26 PM
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#2
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Senior Member
Name: bob
Trailer: 1996 Casita 17 Spirit Deluxe; 1946 Modernistic teardrop
New York
Posts: 5,370
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How about making some wood "ribs" curved to fit the inside of the roof and fiberglass them in place.
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11-02-2014, 05:32 PM
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#3
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Member
Name: Jeff
Trailer: 17' Big Foot
British Columbia
Posts: 65
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sagging FB
When I was making custom glass parts for my car. Sometimes I would need to use a heat gun to keep the form that was needed.
Be careful not to over heat it or burn it. That can happen.
Once you get your shape you can glass in some ribs.
Just a thought. Good luck.
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11-02-2014, 05:52 PM
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#4
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Commercial Member
Name: Ian
Trailer: 1974 Boler 1300 - 2014 Escape 19'
Alberta
Posts: 1,378
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I have see this caused by 3 different reasons
1) Heavy snow load sitting on the roof
2) A roof A/C unit on the roof of a 13' (maybe the previous owner had one on there and removed it before the sale).
3)Bent, broken and twisted frame, this is probably the most common cause, take a close look at the frame rails, especially the left (street side) rail for bending down from the axle to the back bumper, caused by the body being loose on the frame and the rocking motion bending that frame rail.
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11-02-2014, 06:20 PM
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#5
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Senior Member
Name: Jay
Trailer: Boler 1300
Ontario
Posts: 331
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I had thought about wood ribs, but I am 6'4" and I already need to stoop over to move around the trailer- I am a little worried about banging my head on a regular basis! I wondered if glossing in either fiberglass strips or "ribs" that are more or less 1/4" plywood (luan maybe) laying flat and going from side to side but I am not sure they will provide enough strength to keep the roof up.
I am not really worried about future snow load because I plan to keep the boler in the garage.
Thanks for the thoughts though.
Anyone tried tubing or steel rods? Maybe ABS or conduit cut in half length wise?
Sent from my iPad using Fiberglass RV
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11-02-2014, 06:24 PM
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#6
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Senior Member
Name: Jay
Trailer: Boler 1300
Ontario
Posts: 331
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Quote:
Originally Posted by Ian G.
I have see this caused by 3 different reasons
1) Heavy snow load sitting on the roof
2) A roof A/C unit on the roof of a 13' (maybe the previous owner had one on there and removed it before the sale).
3)Bent, broken and twisted frame, this is probably the most common cause, take a close look at the frame rails, especially the left (street side) rail for bending down from the axle to the back bumper, caused by the body being loose on the frame and the rocking motion bending that frame rail.
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I wouldn't be surprised if snow load was the cause. It didn't have an air conditioner but the roof vent looks pretty big to me- maybe just my perceptions. I have checked the frame pretty thoroughly and it looks good. I do plan to remove the egg from the frame in February or so.
I will take a closer look though.
Sent from my iPad using Fiberglass RV
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11-02-2014, 06:57 PM
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#7
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Senior Member
Name: bob
Trailer: 1996 Casita 17 Spirit Deluxe; 1946 Modernistic teardrop
New York
Posts: 5,370
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You might try bending electrical conduit into ribs. I have seen photos of one Uhaul that had an A/C unit put on and was supported by a pole up the corner of the counter from the floor to the roof and then a steel rib off that single pole.
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11-02-2014, 07:11 PM
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#8
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Senior Member
Name: Jack L
Trailer: Sold the Bigfoot 17-Looking for a new one
Washington
Posts: 1,556
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Could you build some sort of a roof luggage rack that was custom made from aluminum tubing that is bowed to lift the roof portion that is sagging and move the stress points closer to the walls ? Sort of like a bowstring truss but mounted outside so you do not loose headroom. Might not want to put massive weight on it but a canoe or kayak ?
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11-02-2014, 08:54 PM
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#9
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Senior Member
Name: David
Trailer: 1998 Casita 17 SD
Alberta
Posts: 772
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You could try the heat like Jeff suggested then glass in some carbon fiber matt which is like adding rebar. It really stiffens up the thin glass. Carbon fiber has used for years in the both real aircraft and rc models to stiffen up fiberglass parts. If you can't find carbon matt you could glass in some carbon fiber arrow shafts(check out archery ranges, they throw out arrows all the time ). Just be careful of slivers from carbon so wear gloves. That will not add much lose of height.
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11-02-2014, 09:08 PM
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#10
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Senior Member
Name: Jay
Trailer: Boler 1300
Ontario
Posts: 331
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Quote:
Originally Posted by Dudley
You could try the heat like Jeff suggested then glass in some carbon fiber matt which is like adding rebar. It really stiffens up the thin glass. Carbon fiber has used for years in the both real aircraft and rc models to stiffen up fiberglass parts. If you can't find carbon matt you could glass in some carbon fiber arrow shafts(check out archery ranges, they throw out arrows all the time ). Just be careful of slivers from carbon so wear gloves. That will not add much lose of height.
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So any idea where you can pick up carbon fiber? I don't remember seeing any at Canadian Tire or any other regular retailer... I like that idea though. I don't know why I didn't think of it- I have Kevlar reinforced canoe and the Kevlar ribs made a huge difference on it.
Guess I have some internet searching to do to find a local supplier of carbon fiber. Bet there is someone in Toronto. Maybe I can find Kevlar...
Thanks for a great idea!
Sent from my iPad using Fiberglass RV
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11-02-2014, 09:12 PM
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#11
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Senior Member
Name: Jay
Trailer: Boler 1300
Ontario
Posts: 331
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Quote:
Originally Posted by Jack L
Could you build some sort of a roof luggage rack that was custom made from aluminum tubing that is bowed to lift the roof portion that is sagging and move the stress points closer to the walls ? Sort of like a bowstring truss but mounted outside so you do not loose headroom. Might not want to put massive weight on it but a canoe or kayak ?
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I thought about putting reinforcement on the exterior but I really don't want to change the profile of the trailer (the look and shape is why we bought a boler) and I am worried about altering the aerodynamics. I already mount the canoe to aftermarket roof racks on the TV and I was afraid of altering the balance on the trailer. I will keep it in mind though, thanks.
Sent from my iPad using Fiberglass RV
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11-02-2014, 10:35 PM
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#12
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Senior Member
Name: David
Trailer: 1998 Casita 17 SD
Alberta
Posts: 772
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Google "Toronto composite suppliers" or look for a canoe/boat builder site
Noah marine
If that doesn't work, check out a good Hobby Shop.
If you are desperate, airbags are made of kevlar, find a dead one at a wrecker!
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11-04-2014, 08:38 PM
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#13
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Senior Member
Name: Jay
Trailer: Boler 1300
Ontario
Posts: 331
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Carbon fiber seems more expensive and harder to locate locally than I thought. Nothing ever seems to be cheap and easy does it! I wonder if just making ribs out of fiberglass would be enough...
Sent from my iPad using Fiberglass RV
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11-04-2014, 08:50 PM
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#14
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Senior Member
Name: David
Trailer: 1998 Casita 17 SD
Alberta
Posts: 772
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Noah's marine prices don't seem that bad, carbon fiber
You should only need a yard or 2
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11-04-2014, 08:59 PM
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#15
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Senior Member
Name: Steve
Trailer: Scamp 13
California
Posts: 1,890
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11-07-2014, 10:51 AM
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#16
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Senior Member
Name: Dave W
Trailer: Trillium 4500 - 1976, 1978, 1979, 1300 - 1977, and a 1973
Alberta
Posts: 6,772
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Carbon fiber is good, but I think just another layer of fibreglass on the inside of your roof should do it. Since it is already stripped clean:
- Sand it.
- Cut a sheet of 1/4" plywood the size of the trolley section of your roof.
- Cover it in poly.
- Lay some glass down over the poly.
- Mix up some resin and saturate the glass with it. The resin starts to gel in about 20 minuets, so hurry.
- Jack, or prop the plywood up to the ceiling, with even pressure all the way around.
- An hour later your ceiling should be much more stiff, and the correct shape.
Repeat, if you feel it is necessary.
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11-07-2014, 11:08 AM
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#17
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Senior Member
Name: kevin
Trailer: 13' Scamp
Colorado
Posts: 172
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If you are really 6'4" I would build the roof upwards. Put the "ribs" on the top of the trailer. Cut a bigger hole in the roof and build yourself a sun roof where you can actually stand up and cook and wash dishes in. Your back will thank you. You can use a piece of reflectix insulation piece when you want to keep out light at night.
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11-09-2014, 08:32 PM
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#18
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Junior Member
Name: sean
Trailer: aspiring to own
North Carolina
Posts: 1
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try A Compan Called : Aircraft Spruce, They Carry A Huge Selection Of Composite Material And Supplies for Homebuilt Aircraft
My Apologies For The Goofy capitalization
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01-12-2015, 02:48 AM
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#19
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Member
Name: Dave
Trailer: Avion 30P and 1979 Scamp 16
Michigan
Posts: 60
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Just curious because I have this type of project in front of me on a Scamp 16.
What was the final solution? Did you reinforce the topside or bottom side and what materials did you use?
Thanks,
Dave
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01-12-2015, 08:28 AM
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#20
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Senior Member
Trailer: 13 ft Boler 1986
Posts: 526
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Quote:
Originally Posted by Jay H
I had thought about wood ribs, but I am 6'4" and I already need to stoop over to move around the trailer- I am a little worried about banging my head on a regular basis! I wondered if glossing in either fiberglass strips or "ribs" that are more or less 1/4" plywood (luan maybe) laying flat and going from side to side but I am not sure they will provide enough strength to keep the roof up.
I am not really worried about future snow load because I plan to keep the boler in the garage.
Thanks for the thoughts though.
Anyone tried tubing or steel rods? Maybe ABS or conduit cut in half length wise?
Sent from my iPad using Fiberglass RV
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We used 5/8" aluminum square rods. If you go to a thread called "Anyone Know How To Repair a saggy roof in a boler", and down to post #22, we put pictures of our repair and after 3 rears, it's still working just fine. Cost was about $75 including labour to have it done! Vivian
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