fiberglass will work. use epoxy over polyester resin due to polyesters lower heat range. then if your wanting to use aluminum. WHAT kind of aluminum are you wanting? t3 wont bend with your hands. t6 no way unless you weld or rivet. what thickness do you want. thin crappy scrap metal or something beefy that you can polish and make look nice. my opinion on this is .050 or .063 t3 or t6 i would rivet it too since that if done right can look pretty trick. ie steel cherry max or even certain jo.blolts. when ur done making your plans email me what youve got maybe i can make you one. im in the process of making a battery box outa aluminum with a plexi glass window on the top of it.
dallasb84@yahoo.com