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 thank you all so very much for your info! we want to make an informed purchase, not a knee-jerk reaction to fluff, and you all are so helpful in your knowledge. I appreciate it
