Forum Discussion

Tater1986's avatar
Tater1986
Explorer II
Jan 19, 2026

Truck camper question...

Hello all new to the group and truck campers. Yesterday I purchased an older four wheel pop up slide in camper... This is my dilemma.. the floor of the camper does not rest on the floor of the truck bed. Instead the camper rests on the side rails of the truck. I have a 2017 Ford f 150 long bed. There is approximately a 2 1/2 to 3 inch gap between the bottom of the camper and the truck bed. I went three hours one way to get it and back. It rode fine, however I am more worried about walking on the floor of the camper with no real support on the bottom... Also I am concerned with the proper way of attaching the camper to the truck for long term use.

8 Replies

  • the joys of older campers in newer trucks 😅

    I have a 1991 slumber queen in a 2014 F350 and I had to build a double layer frame out of 2x6 boards to lift it high enough, so that is a 3.5" lift.  start with that, get about four 8 foot 2x6 boards, jack up the caper a bit and place them along each side then lower it on to them.  see if you get some clearance on your rails and your roof.  if so that is a good hight, if you need another little bit you can add a horse stall mat under it and even on top if you like.  they are normaly 1/2" thick so that would give you another 1" if you use two.   I am going to redo mine and put 3/4" plywood on the bottom of 1 layer of 2x6, fill the gaps with foam, then another layer of plywood on top.  that way I will get some insulation value to add to the floor.  or i might just sell it and buy a new one, fingers crossed.  

  • When you say closed cell form, are you talking about the Styrofoam type insulation they sell at Lowe's etc, that they use in house construction for insulation?

    • StirCrazy's avatar
      StirCrazy
      Moderator

      not styrofoam, but rather expanded closed cell, so the stuff that is moresolid and doesnt look like a bunch of bits pressed togeather, blue or pink usaly at HD.  I don't think it would work that great, up to 2" I would say try it but I think your going to need 3.5 to 4"  

  • Pad the truck bed up. 
    You’re correct, it needs to sit on the truck bed floor not the rails. 
    2ea - 2” thick closed cell foam sheets is my suggestion. Something with enough compressive strength. 
    lightweight, relatively inexpensive. 
    Have to figure out how to keep the whole mess from sliding around. 
    For a very long term and durable solution, I’d consider a glued together foam/thin plywood sandwich. 

    • Tater1986's avatar
      Tater1986
      Explorer II

      Just looked up closed cell , so it's not like Styrofoam insulation, it's like the thick rubber pads they sell at like tractor supply and places.

      • StirCrazy's avatar
        StirCrazy
        Moderator

        no thats not closed cells heets.  thoes are rubber horse stall mats, or what not, not thick enough for what you want and way to heavy