As I was looking at the foam earlier, I was thinking... "yet another example of a bad design".
I was spit balling what might be a better idea would be for a manufacturer to create a frame around the central foam core, much like a hollow core door is made, except this frame would be made out of a non-rotting material, perhaps HDPE sheets 1inch thick or whatever appropriate for the door surrounding the "structural" foam board instead of a hollow core....
Seems to me that especially if bought in bulk, such a frame could be had for just dollars, in the single digits.... not adding any significant money to the selling price.
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