- 1 Can I pour a 2 inch concrete slab?
- 2 Do I need rebar for a concrete patio?
- 3 How much does a 20×20 concrete patio cost?
- 4 How thick do you pour a concrete slab?
- 5 Do you need rebar for 4 inch slab?
- 6 Do you need rebar for 2 inch slab?
- 7 Can you just pour concrete over grass?
- 8 Which is better rebar or wire mesh?
- 9 Do you need wire mesh for 4 inch slab?
- 10 Which is cheaper a concrete patio or deck?
- 11 How much does a 10×20 concrete patio cost?
- 12 How much does it cost to pour a 24×24 concrete slab?
- 13 How many bags of concrete do I need for a 10×20 slab?
- 14 How many bags of concrete makes a yard?
- 15 What kind of gravel do you put under concrete?
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.
Do I need rebar for 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|
How thick do you pour a concrete slab?
The minimum thickness of any concrete slab is 4 inches. However, if the concrete patio will have heavy features added to it, you may want to thicken it to 6 or 8 inches. The concrete is typically laid on a 2-3 inch base of gravel, sand, limestone, or other aggregates.
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.
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.
Can you just pour concrete over grass?
Cheap and versatile and easy to pour, concrete will last you years down the road. You can pour it just about everywhere—including on the grass. Although it takes a little work, pour concrete over grass to create that walkway you always wanted or that mowing preventative you could previously only dream about.
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.
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|
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.
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.
How many bags of concrete makes a yard?
On average, it will take 90 40lb bags, 60 60lb bags, or 45 80lb bags to fill one cubic yard of concrete.
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.