diy concrete slab

Vancouver, WA(Zone 8a)

We want to help our dd and son in law pour a concrete slab to build a storage shed on top of. 5 x 8 . Should we use bags? Just give me an idea of what this concrete project would cost.

Murfreesboro, TN(Zone 7a)

The Quikrete site has a calculator to give you an idea of how much material it will take: http://www.quikrete.com/calculator/calculator.html

I doubt it will be, but it's more than a yard, it may be easier to call a redi-mix company to deliver it when you've got the forms and rebar/wire in place. (Some places will deliver a yard, others require a two-yard minimum to deliver.)

Here's a way to figure out whether your pad will require more than a yard (it will depend on the depth you make the slab):

Length x Width equals total square feet. One square yard of concrete will spread 81 square feet at a 4 in. depth. One square yard of concrete will spread 54 square feet at a 6 in. depth.

Example:
3 foot concrete sidewalk x 40 feet long = 120 square feet.
120 square feet divided by 81 = 1.18 yards of concrete at a 4 in. depth.

Vancouver, WA(Zone 8a)

thanks Terry.

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