Great to see the "No Fear" mentality with your projects. Results are definitely inspiring . One note, a few years ago I lined my cab with peel'n'stick. Then layered on 3/4" dense cell foam. Very happy with the results. HOWEVER, a couple days ago I replace the stop light switch and wished I'd made a small allowance for the two screws (clutch heads) holding the switch in. It wasn't a big deal, just one I could have handled better, as in used a little foresight when installing the insulation.