Just installed the floor in my 28 foot 280 turbo deisel
I tore the whole thing apart....
Build your flooring to the edge of the couch and put trim
If you go under you are going to run into problems with your water tank and connectors... if you must put planking down where no one will ever see it then put some plywood ......
Also install it sideways not long ways... It will save you a lot of hassle...
check my posts and if you have any questions yell at me
Justin
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