Contents
- 1 Can you pour concrete directly on dirt?
- 2 Can you cement your backyard?
- 3 How much does it cost to pour a 24×24 concrete slab?
- 4 How do you prepare ground for concrete?
- 5 Is gravel necessary under concrete?
- 6 Should I put plastic under concrete?
- 7 What is the cheapest way to pour a concrete slab?
- 8 Can I pour my own concrete slab?
- 9 How many bags of concrete do I need for a 10×20 slab?
- 10 How much would a 4 inch slab of concrete cost?
- 11 What is the difference between a concrete slab and a cement slab?
- 12 How much does a 20×20 concrete patio cost?
- 13 Do you need rebar for 4 inch slab?
- 14 What is the best base for concrete?
- 15 Is sand a good base for concrete?
Can you pour concrete directly on dirt?
Long story short, yes you can pour concrete over dirt.
Can you cement your backyard?
Poured concrete makes a terrific backyard patio and it’s easier to succeed than you might think. Here’s how to get great results. A poured concrete patio can transform your backyard. If you’re considering taking on this project, your success depends on preparation.
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 do you prepare ground for concrete?
Preparation is the most important aspect of pouring a concrete slab.
- Dig the ground down to the proper depth.
- Smooth out the ground with the flat side of a rake so that you have a level surface.
- Tamp the ground with a hand tamper or mechanical tamper.
- Pour 2 inches of small, rounded gravel for additional drainage needs.
Is gravel necessary under concrete?
Whether you pour concrete for a walkway or patio, a strong gravel base is required to prevent the concrete from cracking and shifting. Gravel is especially important in clay soil because it doesn’t drain well, which results in water pooling under the concrete slab and slowly eroding the soil as it finally drains.
Should I put plastic under concrete?
Recently, though, research has shown that the old traditional layer of 6-mil Visqueen (polyethylene plastic) under the slab is seldom effective for two main reasons: Although it may seem water-tight, this grade of material allows a lot of water vapor to pass through.
What is the cheapest way to pour a concrete slab?
One of the least expensive ways to get concrete is to mix your own. You can buy bags of the mix from a home improvement store. Typically, you only have to add water for it to be ready to pour. However, it is important to get the ratio right and to mix the concrete thoroughly.
Can I pour my own concrete slab?
Used for walkways, patios, and floors, concrete slabs are inexpensive to install and durable enough to last for years. When you pour your own concrete slab, you’re giving yourself a design material that is adaptive to all of your needs.
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 much would a 4 inch slab of concrete cost?
It costs about $6 per square foot to pour concrete, or between $4 and $8 per square foot.
Concrete Work Cost by Thickness.
| Thickness | Typical Cost With Labor |
|---|---|
| 4” | $5.35 per square foot |
| 5” | $5.80 per square foot |
| 6” | $6.20 per square foot |
| 8” | $7 per square foot |
What is the difference between a concrete slab and a cement slab?
What is the difference between cement and concrete? Although the terms cement and concrete often are used interchangeably, cement is actually an ingredient of concrete. Concrete is a mixture of aggregates and paste. The aggregates are sand and gravel or crushed stone; the paste is water and portland cement.
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 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.
What is the best base for 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.
Is sand a good base for concrete?
Pour concrete over a solid, well-drained base
of sand or gravel over clay and other poorly draining soils to provide even support.