[tucsonjwt]

The original OEM dash pads are thin metal with lots of holes in the metal. A thin spray foam covers the metal, then the vinyl goes over the top. I got a spare dash pad from the junkyard and have plans to experiment with stripping and/or recovering it. I think any "plastic" "urethane" or other such material will not hold up in extreme heat (like I mentioned above, extreme HotZona heat is like an oven, and there is no room for expansion when everything is screwed down and butting up against the windshield and A pillars.)

I will probably SEM paint the front edges of my pad and cover it with the best quality dash mat I can find. I have seen one for about $60 that looks seems to have a good contour fit to the pad.