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  • do you think the plywood skin on the foam will stay on just glued at highway speeds? especially after seasonal temperature changes? I wonder if building a framed wall would have been better and filling in between with foam insulation. Or and this is wacky idea. coating the foam with garage floor rubber paint or paint and lacquer coatings?

    cost was the most important aspect of this project so labor hours didnt matter as much.

    cost this was 200$ and then the parts and scrap would make it almost free- but then there is paint I guess. How much is one at harbor Freight?

    that sounds expensive

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