I put an extra inch of Styrofoam under mine. I don't know if it helped but it can't hurt. I had one of the panels in the back off and I slid a sheet in it went so I slid another one in then another until I had it all the way to the front of the main body of the camper. It got tight and I had to take a panel or 2 lose on one side but it went.
Lynwood
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