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.
Similarly Is premixed concrete good? Key Takeaways. To conclude, ready-mix concrete is usually better for most construction projects despite the increasing costs. It offers a much higher quality, including a variation between batches during concrete preparation in the plant environment.
How thick should a concrete slab be? 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.
Additionally, How thick should driveway concrete be?
As for thickness, non-reinforced pavement four inches thick is standard for passenger car driveways. For heavier vehicles, a thickness of five inches is recommended. To eliminate standing water, the driveway should be sloped towards the street a minimum of one percent, or 1/8 inch per foot, for proper drainage.
Can you pour concrete over grass?
You should not directly pour concrete over grass. A concrete slab when poured over grass will crack over the course of time due to moisture ingress, lack of support as the vegetation beneath regresses and lack of rigidity as factors such as external weight will cause the structure to weaken.
Can you pour a driveway with bagged concrete? Fortunately, whether you plan to make a patio slab or a driveway, working in small areas divided by concrete forms and using bagged concrete mix can make the job easier for a DIYer.
What is the difference between Quikrete and concrete? They’re both primarily sand, cement and aggregate stone. The only difference is that Quikrete has some additional ingredients and slight different ratios that make it set up faster. But it’s still concrete. Working with Quikrete is exactly the same as regular concrete.
How much water do you add to ready mix concrete? Measure the recommended water amount (each 80-pound bag of concrete mix will require about 3 quarts of water). Pour approximately 2/3 of the water into the depression. If using liquid cement color, add to the mixing water.
How many yards of concrete do I need for a 10×10 slab?
The amount you will need for a 10 x 10 slab is 1.3 cubic yards, we always add an extra 10% to allow for any slab depth variations or spills that may occur.
How big can a concrete slab be without expansion joints? Rule #1 – Keep joints as square as possible. Rule #2 – In order to prevent intermediate cracking, space joints (in feet) no more than 2 – 3 times the slab thickness (in inches).
How much load can a slab of concrete hold?
Imposed loads varies from approximately 1.5 kN/m2 (153 kg/m2) in domestic buildings to approximately 10 kN/m2 (1053 kg/m2) in heavy industrial areas. 500 kg/m2 is typical for office, storage space and similar.
Do you need rebar for 4 inch slab? The thickness of rebar should be no more than 1/8 that of the slab, so a 4” slab shouldn’t have steel greater than #4 or 1/2″ bar. It’s best to check with a Structural Engineer if your slab will bridge or cantilever.
Is gravel necessary under concrete?
You do need gravel under a concrete slab, footing, or patio. Gravel provides a solid foundation for your concrete as it can be compacted. It also improves drainage, preventing water from pooling beneath the concrete.
How far apart do you put rebar in concrete?
Place rebar in a grid pattern with a spacing between bars of approximately 12 inches. In either case, blocks should be used under the reinforcement to keep centered within the concrete. Synthetic fibers have also proven to be beneficial in driveways as a way to reduce shrinkage cracks.
Do you have to put sand under concrete? As a general rule, stay away from using sand as a subbase. You’re better off using gravel; your concrete will last longer and have less of a chance of cracking over time.
Can I pour concrete directly on dirt? Long story short, yes you can pour concrete over dirt.
Do I need to remove grass before concrete?
Conclusion. Although certain projects allow a little wiggle room by leaving grass underneath your concrete, it is best to remove all grass and loose debris before pouring. This will ensure you have an even, smooth, crack-free look for many years without needing to deal with any expensive or time-consuming maintenance.
Can you pour concrete directly on dirt? Long story short, yes you can pour concrete over dirt.
How many 80lb bags make a yard?
If you’re using 80lb bags of concrete, you’ll need 45 bags to make a yard.
Can you pour concrete in two stages? Sure you can pour the slab in two rounds. But if it’s beyond y0ur skillset, I’m not sure it makes much difference whether you pour a big or small slab. Both are way too big for one guy. You’ll need a crew – and if you don’t have much experience finishing slabs, you need to hire someone who does.
