17 x 20 = 340 square feet
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is 60 2'x4' to many
This area requires 2.5 cubic yards.
how many yards of concrete will i need to do a 20 x20 x4 slab
80 for your studs, using the same for plates? If so, add the full linear footage for your rim and header, ALL around the building.
1, 2, and 4. 1, 2 and 4 only.2 x4=81 x8=84 x2=82 x10=201 x20=204 x5=20