calculating concrete needed for 24x27 garage pad

Old 08-24-10, 05:29 PM
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calculating concrete needed for 24x27 garage pad

Hi, I have a question about how much concrete to order for my garage footing and floor. The problem I have is this, my footing is 16'' wide then it slopes upwards for 11''to where it meets the base of the slab(monolithic slab with thickened edge). How do I calculate the amount of concrete for the sloped area?
Thanks, RichardBeer 4U2

Last edited by rhykawy; 08-24-10 at 07:06 PM.
Old 08-24-10, 07:20 PM
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Richard, you would use fill for the sloped area and make your concrete as uniform as possible. 4" thick would use about 8 yards of concrete. Here's a link to use if you wish for calculation: Concrete Calculator, Prices and Pouring Information - The Concrete Network
Old 08-28-10, 07:37 PM
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you could also ask a 5th grader for some math help figuring volumes Beer 4U2 who's doing the work - if you can't figure how much you need, expect placing, finishing, curing, & jnt cutting might be out of your league, too, right ? better hire a pro OR get some experienced help,,, removing f'd up concrete is a large pita !

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