Windsport Construction
That worked Dave. I had gone to that site a couple of times, but was specific in asking for info regarding 2004 units. However, in following your suggestion it brought up info on several different model years starting in 2000. However, strangely there was a gap starting with 2001 through 2006. Not sure why that would be, but in looking at the 2000 and 2007 brochures, it stated in both that the floor had a steel framework, with the walls and ceilings having an aluminum tubular frame. Somewhat interesting is the fact that in 2000 the floor frame was 1.5 x 1.5 steel members, while in 2007 it simply said 3". Not sure that's taking the 1.5 x 2, or whether some other configuration. Whatever, with the info missing for those six years its impossible to say when the change was made. Regardless, I am happy to learn that there is a steel/aluminum frame and very thankful for your help. Mike
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