The fiberglass on my 2-year old Sonic (Venture aka KZ) started delaminating near the curve of the back roofline. Discussion with the dealer revealed it was a know issue caused by a design and manufac...
Well, at some point leaks happen. Airstream has a plywood floor. We bought a brand new 2004 28 safari. Trapped moisture, soft floors by 2008. Its all metal and no slides for me. Assembly is important, but material choice is just as important.