#Lizard skin sound control kit skin#
I am at the beginning of my build and also learned about Lizard Skin from Ken's videos (thanks again, Ken!). I live in a place that is commonly over 100-deg in the summer, so I will take all the help I can get. The shaded area under the solar panels stays cooler much longer with the Lizard Skin in place. The ceramic particles slow the transfer of heat, making the steel less efficient at heat transfer. Steel is a very efficient conductor of heat, so the heat was flowing from the hot exposed metal to the cooler shaded part. Another hour or so after that and it was nearly as hot as the exposed metal. Another hour later and the steel under the solar panel (always shaded) was starting to warm. Under the solar panel the steel was cool. An hour after the sun is up the portion of the ceiling in direct sun was so hot I couldn't leave my hand on it. As an example, my solar panel covers much of my roof (40"x 65"). It wasn't an easy decision since I had to tear my van apart to do it, so I spent a lot of time measuring and observing heat gain in the van prior to having any insulation installed. I'm happy I did it and the difference in heat gain is noticeable. Just doing the ceiling alone would help versus nothing at all. Starting over today with a bare van it's one of the first things I would do. Keep in mind I did not do this when my van was bare and brand new, so compromises had to be made. The same day we used 2 gals to spray the ceiling and entire walls of my friend's 144, although like mine we skipped the sliding door. Specifically, my van took 1.5 gal to do the entire ceiling and walls, except I did not spray below window level (cabinetry in place), did not spray the floor and did not spray the sliding door or rear door for fear of mucking up sensors, cables, latches, etc.
Lizard Skin has a calculator on their website, and assuming a 144 van is about 50 sq ft (not sure on that), it states 2 gal. Around 2 gallons will get you the correct depth on a 144 Sprinter. I think your conversion from sq ft to linear feet might be incorrect.
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