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Old 04-28-2018, 02:48 PM   #1
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Having second thoughts on the roof raise... Iím 6í 2 and a half

I had originally planned on raising the roof, but after calculations I am having second thoughts. We will only be living in it two years maximum before our new property is ready to go. Has anyone here full timed and NOT DONE a raise? If so what are pros and cons of your decisions. Youíre welcome to comment if you have done a raise as well. We plan on outing 1 1/2 inch foam board on the floor with half inch plywood, and spray foam insulation on roof and sides. Thanks for the help in advance.
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Old 04-28-2018, 03:25 PM   #2
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I had originally planned on raising the roof, but after calculations I am having second thoughts. We will only be living in it two years maximum before our new property is ready to go. Has anyone here full timed and NOT DONE a raise? If so what are pros and cons of your decisions. Youíre welcome to comment if you have done a raise as well. We plan on outing 1 1/2 inch foam board on the floor with half inch plywood, and spray foam insulation on roof and sides. Thanks for the help in advance.
Hey!
I'm planning on converting and full timing for about 2 years as of this summer, too!
I am NOT planning on raising the roof.

My kids are @4', 6" and I'm 5', 6". Headroom should not be an issue.

I do not have the manpower or the know how, let alone welding abilities or tools.
I also do not want to take the added time.
I have no idea what the added cost would be.

I really don't want to spend more money on windows. It already has so many! New ones would be more energy efficient, but that's not that big of a concern as I hate the cold and won't be spending any real amount of time where it's winter-ey. With such a small area it should heat up quickly and easily, anyway.
I quite like the walls of windows that busses have. Bright and sunny!

Wind gusts are a concern, too, albeit a small one. Plus bridges and low overpasses.
My worry is that the bus would not be as sturdy, either. Although, there is no real evidence for this concern as far as I know.

Best of luck with your project!
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Old 04-28-2018, 03:28 PM   #3
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Originally Posted by thrifty1 View Post
I had originally planned on raising the roof, but after calculations I am having second thoughts. We will only be living in it two years maximum before our new property is ready to go. Has anyone here full timed and NOT DONE a raise? If so what are pros and cons of your decisions. Youíre welcome to comment if you have done a raise as well. We plan on outing 1 1/2 inch foam board on the floor with half inch plywood, and spray foam insulation on roof and sides. Thanks for the help in advance.
Most people DON'T do a roof raise. Its only for the brave lol. Sure makes it nice, though. I think huge raises are a bad idea for a few reasons but 6-12 inches of extra headroom really makes it feel BIG inside.

Just get a high headroom model and you'll be ok for a couple years.
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Old 04-28-2018, 03:31 PM   #4
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Well as it stands right now I just went out and measured. From the steel floor to the bottom of the rib I have about 3 3/4 inches of play room. I guess the question is, is 1 and 1/2 inches of XPS enough underfloor insulation for South Carolina heat. I will also have spray foam insulation flush with the ribs.
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Old 04-28-2018, 03:36 PM   #5
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Well as it stands right now I just went out and measured. From the steel floor to the bottom of the rib I have about 3 3/4 inches of play room. I guess the question is, is 1 and 1/2 inches of XPS enough underfloor insulation for South Carolina heat. I will also have spray foam insulation flush with the ribs.
I'd go with 1" for the floor. Its more than most do, and I've been in a bus with only 3/4" foam in the floor and it was nice, cool, and quiet in that bus and that was in FL heat!
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Old 04-28-2018, 03:37 PM   #6
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part also is to think about how much you will be standing up vs sitting down in the bus.. showering, and preparing food on a cooktop would be 2 of the things id think would take up most standing time.. otherwise most people are seated or laying down.. where height isnt as much of an issue... I myself would sooner keep lots of windows to make the interior feel taller and larger than I would to raise a roof..
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Old 04-28-2018, 03:39 PM   #7
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We were so pleased with our last roof raise we're definitely going to do one again some day. Roxy's even cool with raising our shorty if I want!
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Old 04-28-2018, 04:07 PM   #8
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Wow if I can get away with one inch XPs on the floor I may just go ahead and keep the roof intact... I have all the tools and skills needed but I would rather save money for the end goal of the large property. Finished applying seam sealer and flex seal to my floor patches today so I guess I should start looking into skinning windows...
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Old 04-28-2018, 04:26 PM   #9
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I put 1 1/2" under the sub-floor. A cold floor is horrible, and I had 78" to play with.
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Old 04-28-2018, 04:34 PM   #10
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So Skoolies give short people an advantage for a change. I'm 5'9". I see no advantage, other than some added high storage possibilities, to going through the expense and labor involved to do a roof raise. I'm using a 1' piece of rigid foam followed by a 1/2 layer of rigid foam on top, routed for pex water lines. Actually I just realized it might be better to start with the 1/2 and then route the 1" half way through. Once the pex is down I will have the foam vapor barrier and thin (3/8") laminate flooring right on top to keep space loss to a minimum. So from metal floor to finish will be approx. 2", or about an inch less than stock, but have 1-1/2" of insulation.
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