PVC thickness?

[twh]

If I want to buy some PVC sheets to make a rack, can I get away with 6mm thickness? I'm guessing 3mm is out of the question. The 10mm is double the price of the 6mm so I was wondering if it would do.

i would recommend 1/2" as you want stability and long life.3/8" might work on a short span but that's rolling the dice IMO.

another thing to consider is cost,once you figure out the cost and your time is it going to be that much less expensive? mfg's buy sheets of PVC at volume wholesale prices not a few sheets at retail.something to think about before ordering.have fun!