Contents
- 1 Can I pour a 2 inch concrete slab?
- 2 How thick do you pour a concrete slab?
- 3 Do you need rebar in a concrete patio?
- 4 How much does a 20×20 concrete patio cost?
- 5 Do you need rebar for 2 inch slab?
- 6 Do you need rebar for 4-inch slab?
- 7 How many bags of concrete do I need for a 10×20 slab?
- 8 What kind of gravel do you put under concrete?
- 9 Which is better rebar or wire mesh?
- 10 What is better for concrete patio rebar or mesh?
- 11 Do you need wire mesh for 4 inch slab?
- 12 Which is cheaper a concrete patio or deck?
- 13 How much does a 10×20 concrete patio cost?
- 14 How much does it cost to pour a 24×24 concrete slab?
Can I pour a 2 inch concrete slab?
If done properly, new concrete can often be poured right over an existing slab. For this to be feasible, the contractor needs to pour at least 2 inches thick, use smaller aggregate, and incorporate reinforcement such as welded wire mesh or fiber mixed into the concrete.
How thick do you pour a concrete slab?
Standard concrete floor slab thickness in residential construction is 4 inches. Five to six inches is recommended if the concrete will receive occasional heavy loads, such as motor homes or garbage trucks. To prepare the base, cut the ground level to the proper depth to allow for the slab thickness.
Do you need rebar in a concrete patio?
Do concrete patios need rebar? Even though it’s possible to build a concrete patio without rebar, it’s not recommended. All concrete is subject to cracks, but rebar holds all the cracks together and keeps the slab level and even. Without rebar, the cracks would become quite wide and the concrete would become uneven.
How much does a 20×20 concrete patio cost?
Cost to Install Concrete Patio by Size
| Size in Feet | Square Footage | Price Range |
|---|---|---|
| 12×14 | 168 | $1,400 – $4,000 |
| 15×15 | 225 | $1,800 – $5,500 |
| 16×18 | 288 | $2,300 – $7,200 |
| 20×20 | 400 | $3,000 – $10,000 |
Do you need rebar for 2 inch slab?
Rebar should have a minimum 2″ embedment in the concrete. 2″ of concrete from the outside of the rebar to the surface. If your slab is going to be subjected to enough load to need rebar it will also need to be thicker; 6″ or 8″. depending on your engineer’s design.
Do you need rebar for 4-inch slab?
No, you do not need rebar for a 4–inch slab of concrete on grade. A 4–inch-thick slab cast on the ground and in permanent contact with it will float and rebar is not required. Rebar is recommended on concrete measuring 5 – 6 inches thick.
How many bags of concrete do I need for a 10×20 slab?
A 60-pound bag yields. 017 cubic yards, and an 80-pound bag yields. 022 cubic yards. For a 10 x 10 slab, you would need 77 60-pound bags or 60 80-pound bags.
What kind of gravel do you put under concrete?
Most concrete contractors want a mix of coarse and fine aggregate to create a compactable base that is going to be safe for settlement and drainage. Crusher run (a mix of crushed stone and stone dust) is one of the best base materials for concrete flatwork.
Which is better rebar or wire mesh?
Rebar remains stronger and ensures consistent contact in the soil where as wire mesh is unpredictable and often results in a week concrete foundation.
What is better for concrete patio rebar or mesh?
wire mesh, the short answer is: use both! Concrete driveways that need to carry a heavy load should have both rebar and wire mesh to reinforce the concrete. For a patio, you might be able to get away with using welded wire mesh. But remember, all concrete will crack and all concrete will shrink.
Do you need wire mesh for 4 inch slab?
Do you need wire mesh for 4 inch slab? No, they do not. Larger projects or slabs may need steel reinforcement to provide support or extra strength. Wired mesh can also help resist cracking.
Which is cheaper a concrete patio or deck?
Installing a patio flush to the ground can cost much less than a deck. At about $5 a square foot, concrete is usually the least expensive option. Patios are best suited for even ground and the cost of creating a level foundation is very high. Patios don’t require regular maintenance.
How much does a 10×20 concrete patio cost?
Cost of concrete per square foot
| Slab Size | Square Feet | Average Cost |
|---|---|---|
| 10×20 | 200 | $1,200 |
| 12×12 | 144 | $864 |
| 15×15 | 225 | $1,350 |
| 16×20 | 320 | $1,920 |
How much does it cost to pour a 24×24 concrete slab?
To pour a typical 10×10 concrete slab will cost $670 to $930, a 12×12 slab for a patio will cost $796 to $1,476, a 20×24 driveway slab runs between $1,440 and $3,360, and a 24×24 slab for a garage will cost $3,058 to $5,944. Get free estimates from concrete companies near you.