alum frame vs. styrofoam?
after talking with a dealer we have learned most new manufacturers are switching to a cheaper much less durable construction, not a metal frame but rather a Styrofoam like product, in walls floor AND ...
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I'll tell you one thing, styrofoam in the walls and ceilings is one heck of an insulator. I've owned many rigs before this one, and this one holds it's temperature the best. Even the AC ducts are molded into the ceiling insulation. BTW, the styrofoam is not structural.
