I know this thread is not about wall thickness or the R factor of the insulation within, but as far as I'm concerned, looking solely at R factor is worthless.
In our ES, if I don't plug the 1/2 to 3/4" gap at the bottom of the kitchen slide, I may as well leave the door open while trying to heat or cool the rig.
When buying a rig, looking at how tightly things fit together, is just as important as wall/insulation thickness.
Regards
Gemstone
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No longer on the road.
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