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How much concrete is needed for a 10x28 patio?
One yard of concrete will cover approximately 90 square feet at a depth of 3-1/2". At an even 3-1/2", you will need just over 3 yards. This does not allow for any footings, turndowns, or a thicker slab.
If you are making a concrete patio 4 inches thick what is the area of the largest patio you could make if you ordered 4 cubic yards of concrete?
16 x 16. Actually if you do the math, you could do a 18 x 18, but you never get 4 yards and you rarely get a form that is a perfect .33 feet.
How many pavers 5X8 needed for a 12X20 patio?
5x8=40sq.inches 12x20=2880. sq. inches divide 2880 divided by 40 = 72 pavers
How many yards of concrete for 490 square ft patio 5 inches deep?
5 inches is 5/12 feet. So volume of concrete required is 490 x 5/12 = 204.16 cubic feet There are 3 x 3 x 3 = 27 cubic feet in a cubic yard. Therefore the volume required is 204/27 = 7.56 cubic yards (say 8 cubic yards). A useful example of estimating foundations and floor is at `Estimating - Foundation and Floor' http://www.inquirewithin.biz/Vol2/Estimating/estimating_foundations.htm
How many 16 inch square blocks does it take to make a 10X10 patio?
66
