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Good evening all. Just a quick question. When insulating my pickup bed. Do I need a air gap on the side of my bed and topper? I see that mentioned on the site a lot. I was going to use the foam insulation with moisture barrier. Thanks to you all for your help! Hope to see everyone at the RTR!
2wolves. The onle time you need an air gap is if you are using Reflectix for insulation. With styrofoam or polyiso you don't need an air gap. You can glue it right to the wall. I think Polyiso is the best choice but styrofoam is a little cheaper.
Bob