I want aluminum top and sides for my teardrop. What thickness should I use? Does it matter what grade I use?
I am looking at a metal supplier website
http://www.factorysteel.com/aluminum-angles-bars-channels-pipe.htm#d
I see
3003-H14
5052-H32
5052-O
6061-T651
6061-T4
6061-O
2024-T3/351
2024-O
7075-T6
7075-O
Will any of these work? Should I just go with whatever grade is cheapest?