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Old 07-19-2017, 04:19 PM   #1
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Question No Sub Floor: Yea or Nay?

A few notes:
  • Floor will be insulated underneath (bus exterior) with closed-cell, two-part insulation.
  • Hardwood planks will be screwed to steel floor with sheet metal screws. I think.
  • A thin (~") layer of non-slip padding will be sandwiched between hardwood and steel, to better secure hardwood and provide cushioning.
  • I wouldn't do this if every inch didn't matter. I need to preserve cabin height. A roof raise is not in the cards!
Why I worry:
  • I have found no examples of anyone doing this.
  • Hardwood is brittle and prone to crack.
Input is appreciated!
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Old 07-19-2017, 04:23 PM   #2
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I put a subfloor in my bus., on top of the rubber floor, and out a laminate floor on top of that.

If I were to do it again (and I will, it hasn't held up that well), I'll skip the subfloor.
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Old 07-21-2017, 04:15 AM   #3
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I imagine the original floor would provide adequate cushioning for laminate. Fastening hardwood to steel, meanwhile, just seems wrong--yet I can't come up with a reason not to. If nobody else can, either, I'm going to go ahead and do it.
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Old 08-22-2017, 01:58 PM   #4
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How'd it work out?

I'm having a similar dilemma. Bought a 93 Ford e360 shuttle to convert to a mobile salon got part of the floor up, and there's no metal subfloor.. should I have one installed? Done extensive research and haven't found one like mine.
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Old 08-22-2017, 03:24 PM   #5
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as I have said many times before... I use 2x8 on edge to make a raised floor.. ie floor joists, and put flooring on top of that after the steel floor is insulated. I do this because i choose to have sections of the floor to easily remove, and that space allows for hidden compartments, canned goods, tools, money, guns, etc to be located under the floor and no one knows the difference.
works good with roof raised.
also has helped keep floor wamer ... i reccomend this to everyone.
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Old 08-22-2017, 03:28 PM   #6
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Quote:
Originally Posted by chev49 View Post
as I have said many times before... I use 2x8 on edge to make a raised floor.. ie floor joists, and put flooring on top of that
Could you share some pictures? I would imagine it eats into the headroom a bit.
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Old 08-22-2017, 04:26 PM   #7
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doesnt eat in to the headroom as roof is raised.
is quite simple: think of house floor
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Old 09-23-2017, 02:32 PM   #8
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Yesterday we took all the seats out of our 92' GMC chevy short bus. We are currently trying to decide if it is worth trying to take the rubber flooring and the wood underneath up... We are not sure if there is a metal sheet underneath the wood or not. ANY ADVICE? Help please...
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Old 09-23-2017, 02:39 PM   #9
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Crawl under and take a peek. Most needs to come out. Skoolie windows leak famously and rot and rust floors plus many districts hose out the interiors regularly. Having a solid foundation to build on is the right way to start.
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Old 09-23-2017, 04:11 PM   #10
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Just glue the hardwood down instead of screwing it. You can definitely get away with no subfloor. I'd for sure tear out the old floor make sure theres not major rust
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