69Boss429... I put in a 6", 1500 SF slab with 1/2" rebar on 1' grid with fiberglas. I've had it up here, in Central New York, for the last 4 years.
As a point of interest...why the mesh too? I have no cracking. I did the rebar on hats...#2 crushed stone under it and tamped, myself. About 30 yards of 3500# concrete. I paid about $4800 as I remember. It took about 6-7 guys busting there butts for about six plus hours. This is something I don't want to do myself...smooth as a babies butt.
