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Thread: RV floor

  1. #1
    Join Date
    Mar 2008
    Location
    NH
    Posts
    4,005

    RV floor

    I may have stepped in it this time. At the last show I sold my camper yup packed my stuff and walked home so to say. It went west and I went east. Well I found a new camper through a friend, 20 years newer than the old one and with a slide twice as big. Now the hitch in my giddy up the floor is junk. Not knowing anything about how they made it I figure shoot I can fix anything and home it goes. I have ripped out most of the rot and still need to rip out the section that was still good. When I got it I was thinking fine I'll rip this out put in some new floor joists and ply no big deal. I start ripping it apart and find that the floor system is a SIP panel an aluminum frame goes around the outside it has 2 frame members that go from side to side. 1/4"ply on the top of an 1 1/2" foam and 1/4" ply on the bottom. So far the only plan I have come up with is to put new ply on the top and spray foam it from the bottom. I wouldn't be able to put ply on the bottom but if I use close cell and shoot it with undercoating it would be sealed up good.So lets hear some thoughts on rebuilding this floor.
    It could be worse You could be on fire.
    Stupid hurts.

  2. #2
    Join Date
    Mar 2008
    Location
    NH
    Posts
    4,005

    Re: RV floor

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    It could be worse You could be on fire.
    Stupid hurts.

  3. #3
    Join Date
    Nov 2006
    Location
    Mountain Home, Arkansas
    Posts
    11,831
    Big project there. Problem with rotted rv floors is that the cause is coming from above. Do check roof and other areas for leaks.
    "Folks is funny critters."

    Think for yourselves and let others enjoy the privilege to do so, too. ~Voltaire

  4. #4
    Join Date
    Oct 2009
    Location
    Near Gassaway,West Virginia
    Posts
    105
    Chuck I replaced a floor in a camper by removing all the beds and tables and such then I put 1/2" plywood over the old floor. It has been a while ago but it was a fairly easy project. Check that rain water isn't getting in around windows and doors. Moisture is the enemy.
    Fred
    steercreekwood.com

  5. #5
    Join Date
    Jun 2008
    Location
    GTA Ontario Canada
    Posts
    12,251
    Oh boy you sure love looking for trouble. Chuck the issue i noticed with trailers when i helped a friend of mine redo some walls etc on his a few years back is that they done with minimalist thinking in mind due to towing weight and cost. It was a wake up call to both of us to see the materials used and how skimpy they were used. So there is no room for "if in doubt build it stout" on this kind of reno. Not the best material but what we found on his floor was OSB. Then covered with vinyl. But that was also a 20 year old trailer. I am not at all able to offer you any other ideas. I just know if i did this today the trailer would not be able to move unless i got a semi to pull it.
    cheers

  6. #6
    Join Date
    Mar 2008
    Location
    NH
    Posts
    4,005
    Quote Originally Posted by Rob Keeble View Post
    Oh boy you sure love looking for trouble. Chuck the issue i noticed with trailers when i helped a friend of mine redo some walls etc on his a few years back is that they done with minimalist thinking in mind due to towing weight and cost. It was a wake up call to both of us to see the materials used and how skimpy they were used. So there is no room for "if in doubt build it stout" on this kind of reno. Not the best material but what we found on his floor was OSB. Then covered with vinyl. But that was also a 20 year old trailer. I am not at all able to offer you any other ideas. I just know if i did this today the trailer would not be able to move unless i got a semi to pull it.
    And that right there is the problem Rob. Fighting the built it right
    It could be worse You could be on fire.
    Stupid hurts.

  7. #7
    Join Date
    Feb 2008
    Location
    S E Washington State
    Posts
    3,777
    How about a aluminum diamond plate floor?
    "We the People ......"

  8. #8
    Join Date
    Nov 2006
    Location
    Oak Harbor Washington on Whidbey Island
    Posts
    3,134
    Can you lay the thin layer of plywood down & then glue in pink foam insulation & then glue on the thin layer of plywood on top? Or maybe a light duty torsion box filed with either cut pink foam board or spray in foam & slice the excess off the top & install the thin layer on top & then undercoat?
    "Forget the flat stuff slap something on the spinny thing and lets go, we're burning daylight" Bart Leetch
    "If it ain't round you may be a knuckle dragger""Turners drag their nuckles too, they just do it at a higher RPM"Bart

  9. #9
    Join Date
    Nov 2006
    Location
    Delton, Michigan
    Posts
    17,472
    well my first thought was to try and raise it up and replace floor like it should be,, but maybe removing the cabinets and laying a new ply on the top side is the best fix.. how is the bottom layer of ply chuck is it history too?
    If in Doubt, Build it Stout!
    One hand washes the other!
    Don't put off today till tomorrow!

  10. #10
    Join Date
    Mar 2008
    Location
    NH
    Posts
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    Re: RV floor

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ID:	83849 yup I think it might be if not it's the see through kind.
    It could be worse You could be on fire.
    Stupid hurts.

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