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7.1
15 cubic yards
5 yds - One yard of concrete will cover approximately 81 square feet 4" deep.
Okay first dont go 3 inches thick ... it will crack it's to thin 3.5 " to 4" thick is the min. and it'll take 2.777 yards so you'll have to get 3 yards
3.70 yards and you will order 4 yards to have enough. (30 x 10 x 1/3) = 100 cubic feet Divided by 27 = 3.704 cubic yards
7.1
15 cubic yards
15 cubic yards
5 yds - One yard of concrete will cover approximately 81 square feet 4" deep.
12-ft x 12-ft x 2-in = 24 cubic feet = 8/9 of 1 cubic yard
Depends on size and thickness. You take length x Width x Thickness= Then Divide by 27. That will give you How many yards of concrete you need. Then you need to call your local concrete company and get a price per yard. Multiply your yards with price and the you have your price Just for your concrete. Now as far as having somebody to the whole process for you i would call around and get as many estimates as possible to compare prices.
Okay first dont go 3 inches thick ... it will crack it's to thin 3.5 " to 4" thick is the min. and it'll take 2.777 yards so you'll have to get 3 yards
Take the slab out and pour a new one with the right slope. Rent a concrete saw and cut a few grooves in it making the groove deeper away from the house. This will let the water drain off of the slap and away from the house. If the slab is separate from the house, you might be able to mud jack it at the house and raise it enough to slop it away from the house. Mud jacking is not terribly expensive.
take your length x width and divide by 81 for a 4" thick slab. Example 24'W X 48'L = 1152 / 81 = 14.22 yards. always order a half yard extra to allow for low spots in grade. its better to have more than run out in the middle of a pour
3.70 yards and you will order 4 yards to have enough. (30 x 10 x 1/3) = 100 cubic feet Divided by 27 = 3.704 cubic yards
If it is 4 inches deep/thick, 2 cubic yards. If it is 6 inches deep/thick, 3 cubic yards.
You will need a minimum of 39.51 Cubic Yards.