Forum Discussion
westend
May 20, 2013Explorer
Foam is a great way to seal, insulate, and strengthen the walls, ceiling, and floor. I hand cut extruded polystyrene for my rig and it was a long process. Since none of the cavities were plumb, I'm guessing Starcraft (and probably other mfg.'s) thought getting everything square and plumb wasn't a necessity. If I had it to do over, I'd hire a spray professional.
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