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 Topic: concrete slab
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 Calculating volume of concrete, dirt, sand, anything. 2006-11-17 From Debbie:[This article contains a special calculator to help you find the volume (for example, the cubic yards) of material required to fill (or empty) a space if you know the length, width and depth.] We are wanting to pour a 24'x30' slab that is 5" deep. How many cubic yards of cement do we need?Answered by Penny Nom. A concrete slab 2006-02-13 From Cheryl:A concrete area that will be used for picnic benches will measure 20 ft on each side. The concrete slab will be 8 inches deep. How many cubic feet of concrete will be needed to construct the patio?Answered by Penny Nom. A concrete slab 2005-07-29 From Armand:I am planning to pour a concrete slab over an existing slab in my garage which is very uneven, with a depth variation from 2 1/2 inches to 5 1/2 inches from level. I'm afraid to over estimate concrete since it will be wasted but worse, I'm afraid to underestimate. I've broken the slab down into four sections with the following being the four dimensions, can you tell me how much concrete I will need please, I would very much appreciate your help. 1- 6ft/8in x 20ft x 4 1/2 in. thick 2- 16ft/10in. x 20ft x 3 1/2 in. thick 3- 6ft/6in. x 16in. x 5 1/2 in. thick 4- 6ft/6in. x 8ft. x 4in. thick Answered by Penny Nom.

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