“How much do I order?”
Running short with the truck waiting is the expensive mistake. Roofish rounds up and adds 10% extra — automatically.
Slabs, pads, footings, post holes — if it's wet concrete, this is your number.
Length and width, feet and inches.
4, 6, or 8 inches — one tap. (4 in covers most pads and walkways.)
Yards for the truck, rounded up to the nearest quarter with 10% extra counted — or the same pour counted out in 80 lb bags.
A 12 × 10 ft pad, 4 in thick: