Best answer

But do I need to get council approval for the concrete slab too? Yes. The Council (or your certifier) will want to do a pre pour inspection also.

Answered by: Shadwell Date created: Jun 25, 2022

## How many bags of cement do I need for a 10x10 slab?

Asked By: Frédéric Hamidi Date created: Jun 12, 2022

For a 10 x 10 slab, you would need 77 60-pound bags or 60 80-pound bags. If we add an extra 10%, that's an extra 8 60-pound bags or 6 80-pound bags.

Answered By: Chandu Date created: Jun 12, 2022

## How many bags of concrete do I need for a 6x6 slab?

Asked By: HLGEM Date created: Jun 18, 2022

0.667 cu. yds. How many concrete bags would I need for a 6 ft x 6 ft x 6" slab? 29.9 x 80lb Concrete bags.

Answered By: Diego Puente Date created: Jun 19, 2022

## How do I calculate how much concrete I need for a slab?

Asked By: Christos Panagiotakopoulos Date created: Jun 12, 2022

CONCRETE CALCULATOR FORMULADetermine how thick you want the concrete.Measure the length and width that you'd like to cover.Multiply the length by the width to determine square footage.Convert the thickness from inches to feet.Multiply the thickness in feet by the square footage to determine cubic feet.More items...•

Answered By: Mojtaba Hosseini Date created: Jun 12, 2022

## How many bags of concrete do I need for a 4x8 slab?

Asked By: Dávid Pásztor Date created: Jun 17, 2022

Your project is 32 square feet at a depth of 4”. Here is the quantity that you will need for your slab. Quikrete Concrete Mix: 24- 60lb bags.

Answered By: Quentin Date created: Jun 20, 2022

## How much concrete do I need for a 12x20 slab?

Asked By: spender Date created: Jun 20, 2022

Concrete Extras With a brief look, a 12x20 area at 6 inches deep, you would need approximately 6.31 tons or 4.44 cubic yards of gravel. Concrete reinforcing is also recommended in high traffic areas and medium to large areas.

Answered By: Amin Date created: Jun 23, 2022

## How many bags of cement do I need for a 2 bedroom house?

Asked By: DeepSpace Date created: Jun 14, 2022

40 bags

Answered By: Dax Feliz Date created: Jun 15, 2022

## Do I need rebar in a concrete slab?

Asked By: Lior Elrom Date created: Jun 18, 2022

Rebar is not necessary for every concrete project. The general rule of thumb is that if you are pouring concrete that is more than 5 inches in depth, you are probably going to want to add in some rebar to help reinforce the entire structure.

Answered By: Blasanka Date created: Jun 20, 2022

## How many bags of concrete do I need for a 6x6 post?

Asked By: Amir Rachum Date created: Jun 18, 2022

As I recall, a 60# bag of concrete is about . 5cf, so you'd need 3 bags per hole.

Answered By: Adriano Repetti Date created: Jun 19, 2022

## Do I need council approval for a concrete slab Qld?

Asked By: Inanc Gumus Date created: Jun 20, 2022

Generally, approval from Council is not required. However, you must consider boundary setbacks, site coverage and height requirements, and whether it may be over or in close proximity to sewerage or other infrastructure.

Answered By: JoshAdel Date created: Jun 23, 2022

## How many bags of concrete do I need for a 4x4 pad?

Asked By: DaveRandom Date created: Jun 12, 2022

The calculator will indicate the number of 60 or 80 pound bags of QUIKRETE® Concrete Mix you need to build a 4″ or a 6″ slab.

Answered By: Tushar Sharma Date created: Jun 15, 2022

## Related Question Answers

Professor

### How many bags of concrete do I need for a 10x20 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.

Professor

### Do I need to drill a pilot hole for concrete screws?

Unlike self-drilling screws which do not need pilot holes due to their drill bit end, self-tapping screws like concrete screws do require the user to mark a spot for the pilot hole.

Professor

### How much concrete do I need for a 10x10 slab?

For a 10 x 10 slab, we'd suggest a mix with a capacity of about 4,000 pounds per square inch, or psi. This is basic for residential projects, and it can withstand traffic and support heavy loads.

Professor

### How many bags of concrete do I need for a 6x6 post hole?

As I recall, a 60# bag of concrete is about .

5cf, so you'd need 3 bags per hole..

Professor

### How many bags of concrete do I need for a 8x8 slab?

How many concrete bags would I need for a 8 ft x 8 ft x 6" slab? 54 x 80lb Concrete bags. How much does it cost to pour a 8'x8' x6" slab? Ready-mix costs approx \$277.86.

Professional

### How many yards are in a 30x40 concrete slab?

22.222 cu. yds. How many concrete bags would I need for a 30 ft x 40 ft x 6" slab?

Professional

### How many yards of concrete do I need for a 16x16 slab?

With a brief look, a 16x16 area at 6 inches deep, you would need approximately 6.73 tons or 4.74 cubic yards of gravel. Concrete reinforcing is also recommended in high traffic areas and medium to large areas.

Professional

### Do I need rebar for small concrete slab?

You do not need rebar for any slab if you make it thick enough and space the joints properly. Rebar in jointed pavement is there to counter the cupping effect of thermal expansion. I always recommend the use of rebar or at least rewire. Any concrete slab can crack.

Professional

### Do you need a footer for a concrete slab?

All 3 types of slabs will need a footer and a slab of at least 4″ thick. The footers depth needs to be the depth of the frost line or as per local code, but no less than 12″ deep. ... Slab Foundations Like all foundations, the slab starts with concrete footers poured 24 inches below projected finish grade.

Professional

### What size rebar do I need for a concrete slab?

Rebar in patios, basement floors, footings and driveways may vary from size 3 to 6. Contractors sometimes use the “1/8 Rule,” meaning the size of the rebar is 1/8 the thickness of the slab. For example, a slab that is 6 inches thick might have rebar marked as size 6 or 3/4-inch.

User

### How much cement do I need for a 20x20 slab?

With a brief look, a 20x20 area at 6 inches deep, you would need approximately 10.52 tons or 7.41 cubic yards of gravel. Concrete reinforcing is also recommended in high traffic areas and medium to large areas.

User

### Do I need control joints in concrete slab?

Joints should be sawed as soon as the concrete will withstand the energy of sawing without raveling or dislodging aggregate particles. ... Contraction/control joints must be established to a depth of ¼ the slab thickness (Figure 2). Proper joint spacing and depth are essential to effective control of random cracking.

User

### Do I need mesh in my concrete slab?

Concrete is strong in compression, but not under tension. So, if it flexes, like a slab with a vehicle on top of will do, it cracks at the bottom whre the flexing becomes tension. ... Mesh will help mitigate the chances of cracking of the slab due to differential settlement.

User

### 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.

User

### Do I need rebar in concrete slab?

Rebar is recommended for concrete that measures 5-6 inches in depth. The type of and intended use of concrete impacts the need for rebar reinforcement. Rebar must be placed at the center of or slightly above the center of the concrete slab—hence why it should be a certain thickness for best results.

Guest

### Can I concrete over an easement?

You can concrete ove an easement providing you get approval from the appropriate authorities (ie who owns the services). Although it rarely happens, just remember that they have the right to remove anything built over the easement if they need to work on the services.

Guest

### Do I need a permit to pour concrete in my back yard NYC?

In general, if you are doing any work which is going to modify your floor plan, then, you do need a permit. If you are going to pour concrete for a patio in your backyard, then, yes, you do need a permit.

Guest

### How much concrete do I need for a 24x24 garage?

Average Cost To Pour Concrete To pour a typical 10x10 concrete slab will cost \$670 to \$930, a 12x12 slab for a patio will cost \$796 to \$1,476, a 20x24 driveway slab runs between \$1,440 and \$3,360, and a 24x24 slab for a garage will cost \$3,058 to \$5,944.

Guest

### How much concrete should I get around my pool?

Table and chairs for up to eight requires a minimum 12' x 12' concrete slab. Small end tables and chairs do vary on size of the table. For concrete purposes we generally recommend 5' x 5' concrete slab. Tanning lounger/ Chaise loungers need a minimum of 8' of concrete off of the swimming pool.

Guest

### How many bags of concrete do I need for a 5x5 pad?

How many concrete bags would I need for a 5 ft x 5 ft x 6" slab? 20.8 x 80lb Concrete bags.

Guest

### How many bags of concrete do I need for 3 yards?

You will need 45 bags of concrete mix to make a cubic yard of concrete.

Guest

### How much concrete do I need for 10 sonotube?

For example, a sono tube with a 10" diameter and a 4' depth requires 0.08 cubic yards of concrete.

Guest

### How many yards of concrete do I need for a 10x10 slab?

10 x 10 = 100 square feet. 4 ÷ 12 = .33. 100 x .33 = 33 cubic feet. 33 x .037 = 1.22 cubic yards.

Guest

### How many bags of cement do I need for a 4x4 slab?

Your project is 32 square feet at a depth of 4”. Here is the quantity that you will need for your slab. Quikrete Concrete Mix: 24- 60lb bags.

Guest

### Do I need a footer for concrete patio?

You really do not want the patio level with the house threshold, too easy for water to get in to the house. As for the slab, it will not settle if you prepare the subgrade correctly. You need the footers to support the structure, the slab is just there to walk on, and has no structural importance.

Guest

### Do I need expansion joints in a concrete slab?

All concrete will shrink slightly as it dries and, when it's set, will expand or contract depending on the ambient temperature. To prevent cracks from forming, concrete expansion joints should be incorporated to allow for movement, particularly in slabs with a surface area exceeding 6m2.

Guest

### Do I need to cut my concrete slab?

“The minimum depth of sawcut using a wet conventional saw should be the greater of at least 1/4 of the slab depth or 1 in. (25 mm). The minimum depth of sawcut using an early-entry dry-cut saw should be 1 in. ... Some slab designers require cutting the slab the following day to 1/4 of the slab depth to deepen the 1 in.

Guest

### Do I need wire mesh for concrete patio?

For a concrete patio slab the best method of providing reinforcement is to use either wire mesh or steel bars (rebar) placed in a grid pattern. The use of rebar requires that each of the intersections of rebar be tied together with rebar tie wire. ... This must be done as soon as the concrete is poured.

Guest

### How many bags of concrete do I need for a 10x10 slab?

For a 10 x 10 slab, you would need 77 60-pound bags or 60 80-pound bags. If we add an extra 10%, that's an extra 8 60-pound bags or 6 80-pound bags.

Guest

### How many inches of gravel do you need for a concrete slab?

Excavate the slab area to a depth of about 7 inches, allowing 3 inches for a gravel base and 4 inches for concrete.

Guest

### Will concrete crack without rebar?

Really depends on what the slab is used for but in general no you can install wire mesh or use fibered concrete. However you do need something to tie the concrete it just doesn't have to be rebar. You do not need rebar for any slab if you make it thick enough and space the joints properly. ... Any concrete slab can crack.

Guest

### Do you need a footing for a concrete slab?

While not a requirement, a concrete slab foundation provides a solid, clean surface for your steel building and can help it last longer. Since the building will require anchoring to minimize shifting, pouring a concrete slab gives you a chance to pour footings as well.

Guest

### How many bags of concrete do I need for a 12x12 slab?

Enter the size of the slab you want to build in square feet. The calculator will indicate the number of 60 or 80 pound bags of QUIKRETE® Concrete Mix you need to build a 4″ or a 6″ slab. (All yields are approximate and do not include allowance for uneven subgrade, waste, etc.)

Guest

### Can you put concrete over an easement?

You can concrete ove an easement providing you get approval from the appropriate authorities (ie who owns the services). Although it rarely happens, just remember that they have the right to remove anything built over the easement if they need to work on the services.

Guest

### Do I need gravel under my concrete slab?

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..

Guest

### How much concrete do I need Home Depot?

Each 80-pound bag of QUIKRETE(r) Concrete Mix will yield approximately 0.6 cubic feet of concrete. For a 10' by 10' slab at 4" thick, you will need 33-1/3 cubic feet of concrete, or 56 80-pound bags. Yields are approximate and will vary with waste, uneven subgrade, etc.

Guest

### How many bags of cement do I need for 10x10?

Using a Concrete Calculator You'll also get the number of 40-pound, 60-pound, or 80-pound bags of concrete are needed for the project. For example, a 10′ x 10′ slab that is 4″ thick will need an estimated 1.23 yards3 or 75 60lb bags of concrete and will cost roughly \$140.

Guest

### How many bags of concrete do I need for a 10x10 slab 4 inches thick?

The volume of concrete required for a 10- by 10-foot slab depends on the diameter of the slab.

For a 4-inch slab, either eight 60-pound or six 80-pound bags are required, while for a 6-inch slab, either 12 60-pound or nine 80-pound bags are necessary..

Guest

### How many bags of concrete do I need for a 10x12 slab?

The volume of concrete required for a 10- by 10-foot slab depends on the diameter of the slab. For a 4-inch slab, either eight 60-pound or six 80-pound bags are required, while for a 6-inch slab, either 12 60-pound or nine 80-pound bags are necessary.

Guest

### How many bags of concrete do I need for a 4x8 pad?

Here is the quantity that you will need for your slab. Quikrete Concrete Mix: 24- 60lb bags.

Guest

### How much concrete do I need for a 20x20 pad?

Concrete Slab Prices By SizeSlab SizeSquare FeetAverage Cost Installed15x15225\$1,38820x20400\$2,46824x24576\$3,55420x30600\$3,7026 more rows

Guest

### How do I figure out how much concrete I need for a round hole?

They are 4 feet in height and 10 inches in width (diameter), or 4′ x 10″.Choose Round Column (or Round Slab) on the calculator.Enter Height 4 ft (or 48 in)Enter Diameter 10 in.Calculate and the answer is 0.08 cubic yards for one concrete tube.Multiply 0.08 x 50 = 4 total cubic yards of concrete for 50 tubes.More items...

Guest

### How much concrete do I need for a 10 sonotube?

For example, a sono tube with a 10" diameter and a 4' depth requires 0.08 cubic yards of concrete.

Guest

### Do I need gravel under concrete slab?

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.

Guest

### Do I need steel mesh in my concrete 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. However, not every piece of concrete necessarily requires that extra boost.

Guest

### Do I need to reinforce concrete slab?

If a slab is installed on a subbase that is of high quality and that offers uniform support, it is usually not necessary to reinforce the concrete.

However, if the subbase is problematic or the spacings of the joints are greater than 15 feet, reinforcement should be used..

Guest

### Do you need footers for a concrete slab?

All three types of slabs will need a footer and a slab of at least 4″ thick. The footer's depth needs to be the frost line's depth or as per local code, but no less than 12″ deep.

Guest

### Do I need a concrete slab for a hot tub?

Hot tubs do not have to sit on concrete. They can be placed on wooden decks, paver stones, gravel beds, or spa pads. Just don't place a hot tub directly on the ground or on a wooden deck that was not built to support the weight of a fully-loaded hot tub.

Guest

### Do I need a concrete slab for a Tuff Shed?

Do I need a concrete slab for a Tuff Shed storage building? No, in most cases. While garages do require a concrete slab, our exclusive steel joist system has more than adequate strength and moisture resistant qualities to provide a solid foundation for your shed on most ground surfaces.

Guest

### Do I need a permit to pour a concrete slab in Florida?

Yes, you will be required to pull a permit when removing a tree, including dead trees. Do I need to obtain a permit to pour a concrete slab, patio, or driveway? Yes, a site plan will be required with a description of what is being done.