Before you make any of these you need to make sure you're complying with various fire-related regulations and testing against ASTM standards. We ran into this i

Before you make any of these you need to make sure you're complying with various fire-related regulations and testing against ASTM standards. We ran into this issue at a startup doing something similar about a year back, and it's one of the things that led to its downfall. From the looks of it, you've built a tinder box. Wood paneling, backed by insulating foam, which is likely quite flammable. All wrapped up in a metal container.