Replacing a door liner with an aluminum sheet

[tkaz]

Has anyone replace the plastic door liner with an aluminum or thin steel sheet?  The liner on a couple of my USS machines is some form of aluminum, looks a lot like that white composite board you can buy at home depot with lots of dimples on it...any ideas on where to start?  I should be able to cut a new one without any issues, just trying to figure out what material might work the best on it.

[Tay]

when i did one of mine i just used galvanized sheet metal. the hardest part is rolling the bottom (where  the power and cooling lines run through)