Originally Posted by S1.
I was pricing 4'x10' sheets of 20ga. cold rolled steel today. Was quoted $63.72 (tax included) a sheet. 18ga. was just a few dollars more.
That's much better than Lowes, they want about 30 for a 24"x24" square of 16ga.
But the shop I worked in would cut the steel for you if you bought whole sheets. I'd go 16ga for windows. That's what I'm ordering.