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.

Answered by: teunbrand Date created: Jun 23, 2022

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

Asked By: Kartikey Vaish Date created: Jun 16, 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: chandil03 Date created: Jun 17, 2022

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

Asked By: josh3736 Date created: Jun 13, 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: Jaap Date created: Jun 16, 2022

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

Asked By: Mellon 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: Ben Date created: Jun 15, 2022

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

Asked By: Cameron Bieganek Date created: Jun 09, 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: hadley Date created: Jun 10, 2022

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

Asked By: Rainer Joswig Date created: Jun 10, 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: ergosys Date created: Jun 12, 2022

## How many bags of cement do I need for plastering?

Asked By: dmvianna Date created: Jun 18, 2022

To plaster 100 square metres (15 millimeters thick) you will need: 12 bags cement + 2,3 cubic metres sand. Using masonry cement complying with SANS 50413 class MC 22,5X or MC 12,5. To plaster 100 square metres (15 millimeters thick) you will need: 14 bags cement + 2,25 cubic metres sand.

Answered By: rc0r Date created: Jun 21, 2022

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

Asked By: Romain Linsolas Date created: Jun 16, 2022

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

Answered By: Kévin Chalet Date created: Jun 17, 2022

## How thick does a concrete slab need to be for a garage?

Asked By: Doyousketch2 Date created: Jun 20, 2022

four-inchesThe concrete slab should be four-inches thick at least; it needs to be thicker if heavy equipment will rest on it. Building codes offer requirements for the concrete mix, which vary by region.

Answered By: Kurt Pfeifle Date created: Jun 23, 2022

## How thick should a concrete slab be for a shed?

Asked By: Jossef Harush Date created: Jun 17, 2022

Recommended Thickness of Concrete Slabs Shed Slabs: 3 1/2 inches thick. Shed floors that are being used for studio sheds or workshops will use a 3 1/2" thickness. Driveways: 4 inches, some areas require 5 inches. Many garage sheds need a driveway approaching the large shed door.

Answered By: oma Date created: Jun 18, 2022

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

Asked By: Michael Jungo Date created: Jun 15, 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: Justin Bertram Date created: Jun 17, 2022

## Related Question Answers

Professor

### How thick does a concrete slab need to be for a patio?

six (6) inchesIt is essential that you keep your concrete slab at no more than six (6) inches of thickness..

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

### 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

### Can I build a garage on a concrete slab?

You may want to consider a 6" thick slab for larger vehicles such as trucks or RVs. For a garage WITHOUT a floor - BUILT ON SITE: Prepare a level concrete slab at least 4” thick and to the exact, outside, dimensions of your garage. You may want to consider a 6" thick slab for larger vehicles such as trucks or RVs.

User

### Do I need a vapor barrier between concrete and wood flooring?

Despite a successful moisture check and the presence of an underground moisture barrier, you still need additional protection from water vapor before laying a wood floor. Sheets of 6-mil thick polyethylene plastic, overlapped with seams taped, is one means of providing that moisture barrier.

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 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

### How thick is a concrete basketball court?

You need: A slab at least 4 inches thick, with material at least 3,000-3,500 pounds per square inch (PSI) Rebar 1/2 inch thick to support the concrete..

Guest

### How thick does the concrete need to be for a car lift?

100mmThe minimum and recommended thicknesses of concrete slab for car hoists. Garage Equipment's two and four post hoists require a minimum of 100mm (about 4”) of reinforced concrete slab to be safely installed.

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 do you break up a thick concrete slab?

Start to break the concrete, starting six inches from the edge and working your way in. For slabs less than four inches thick, use a sledgehammer. For more than four inches thick, use a demolition hammer.

Guest

### How much insulation do I need under a concrete floor?

A 50mm thick layer of proprietary floor slab insulation is usually enough to reach and maintain the target U value but this should be checked with an architect first. Insulation sheets should be laid tightly together with the joints staggered to avoid movement.

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 thick does a concrete base need to be for a log cabin?

100mmIn most cases a 100mm thick concrete slab is an ideal base for your log cabin providing the ground is reasonably level and firm.

Guest

### How thick of concrete do you need for a 2-post lift?

4 inchesHere are our tips for making sure your installation is an uplifting experience.

Some of manufacturers standards for a 2-Post and 4-Post Lifts require a minimum 4 inches of reinforced concrete slab to be safely installed..

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 yards of concrete do I need for a 40x60 slab?

The use determines the thickness. So if you take the surface area and multiply it by the thickness you will get the volume. Ie. 40 feet × 60 feet × 1 foot thick would be 2400 cubic feet of concrete divide by 27 to get cubic yards 2400÷27= 88.889.

Guest

### How thick does a concrete slab for a shed need to be?

4-inchA 4-inch slab is generally a good thickness for a typical shed. This concrete floor can be poured in most locales on a 4-inch base of compacted gravel. That requires an excavation of at least 6 inches to make a slab that will be 2 inches above the surrounding ground.

Guest

### How thick does a concrete slab need to be?

six (6) inchesIt is essential that you keep your concrete slab at no more than six (6) inches of thickness. Also, it would be best to work the numbers out if you wish to work with any lesser as you can only put in one slab.

Guest

### How much sand and cement do I need to plaster a wall?

To plaster 100 square metres (15 millimeters thick) you will need: 14 bags cement + 2,25 cubic metres sand. Using masonry cement complying with SANS 50413 class MC 12,5X. To plaster 100 square metres (15 millimeters thick) you will need: 20 bags cement + 2 cubic metres sand.

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

### Can I pour concrete 3 inches thick?

Here, pouring a concrete slab 4 inches in thickness is fine. ... A 3- to 4-inch slab will work for the floor of a storage or tool shed, workshop, garden shed, or playhouse. Steps to pouring a concrete slab. 1.

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

### 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

### 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

### 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 100 square feet?

Ans.

:- 7.6 no of cement bags (381.30 kgs) are required for 100 sq ft rcc roof slab 4 inch thick m20 grade concrete.

Ans.

:- 7.6 bags (381.30 kgs), 9.5 bags (476.10 kgs) & 11.4 bags ( 570.8 kgs) cement are required for 100 sq ft rcc roof slab 4 inch, 5inch & 6 inch thick respectively in m20 grade of concrete..

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 many inches of concrete do I need for a garage?

fourThe concrete slab should be four-inches thick at least; it needs to be thicker if heavy equipment will rest on it. Building codes offer requirements for the concrete mix, which vary by region. The standards are expressed in terms of "compressive strength," which boils down to the amount of water used in the mix.

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 much concrete do I need for a 40x60 slab?

The use determines the thickness. So if you take the surface area and multiply it by the thickness you will get the volume. Ie. 40 feet × 60 feet × 1 foot thick would be 2400 cubic feet of concrete divide by 27 to get cubic yards 2400÷27= 88.889.

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 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 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.

Guest

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

Do I Need a Permit to Pour a Concrete Patio? A permit isn't automatically required to build an on-grade patio, whether it's concrete, brick or any other material. Requirements vary widely in local governments, ranging from relaxed to stringent.

Guest

### Does a concrete slab need footings?

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.