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.

Answered by: dcarlson Date created: Jun 26, 2022

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

Asked By: coreyward Date created: Jun 22, 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: Tangentially Perpendicular Date created: Jun 22, 2022

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

Asked By: RBT Date created: Jun 16, 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: KarthikBhyresh-MT Date created: Jun 16, 2022

## Do you need stone under a concrete slab?

Asked By: Karolos K. Date created: Jun 10, 2022

Because concrete is a very porous material, it will absorb any moisture that it contacts. This can cause pooling. Without crushed stone, pooling water will settle under it and erode your slab. Adding a layer of crushed stone will add proper drainage, as well as create a barrier between your slab and the ground.

Answered By: Joakim Danielson Date created: Jun 11, 2022

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

Asked By: Michael Osofsky Date created: Jun 15, 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: Xeo Date created: Jun 17, 2022

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

Asked By: Rocket Hazmat Date created: Jun 12, 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: phry Date created: Jun 12, 2022

## Do I need rebar in a concrete slab?

Asked By: Amit Samant Date created: Jun 19, 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: Knight Forked Date created: Jun 19, 2022

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

Asked By: user1032613 Date created: Jun 07, 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: ethergeist Date created: Jun 10, 2022

## How do you prepare for a concrete slab for a shed?

Asked By: ishandutta2007 Date created: Jun 20, 2022

How to Pour a Concrete Slab for a Shed [Complete Guide]All you need to do is stake out your site, remove the topsoil, build and level your forms, spread and compact 4” to 6” gravel, lay out some rebar, and you're all set to pour your concrete slab.All storage sheds should have a foundation; whether pier, gravel or concrete.More items...

Answered By: I159 Date created: Jun 23, 2022

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

Asked By: CT Zhu Date created: Jun 19, 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: Tobias K. Date created: Jun 20, 2022

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

Asked By: ernest_k Date created: Jun 13, 2022

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

Answered By: Paŭlo Ebermann Date created: Jun 14, 2022

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 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.

Professor

### 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?

Professor

### 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

### 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.

Professional

### 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.

Professional

### Can you put ceramic tile over concrete outside?

For an outdoor tile patio installation to be successful, it needs a solid base, and a concrete slab is an excellent choice. ... If you already have a slab in place, that will save you some work. But before you can start tiling over this base, you need to examine it more closely.

Professional

### How do you fix low spots on concrete floor?

If you need to level low spots on your floor, use a concrete patching compound. The patching compound also works well to repair any cracks that formed when the concrete settled. You don't need many tools for this project, but you do need to wear protective gear for your eyes and hands. Work in a well-ventilated area.

User

### How do you install moisture barrier under concrete slab?

Most exterior slabs do not need a vapor barrier. ... In general, place the concrete slab directly on top of the vapor barrier, with the subbase below. ... The vapor barrier can be placed under the subbase, if the building is closed in when the dry subbase material is placed.More items...

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.

User

### Does etching concrete remove sealer?

The acid etching process will remove the old concrete sealer completely from the concrete slab. In its place will stand a fresh slab of concrete ready for a new application of concrete sealer. Once the concrete has been acid etched, you need to let the slab dry completely before applying the new sealer.

Guest

### How do you make a concrete wall?

Steps

• Measure and outline the space for your wall.
• Dig out the soil to form space for the wall and footer.
• Compact and level out the soil with a tamper tool.
• Pour 6 in (15 cm) of gravel into the hole.
• Place a layer of steel rebar ⅓ of the way up the hole.
• Mix and pour concrete to fill the footer hole.

Guest

### How much does it cost to pour a concrete slab for a basketball court?

You may need to pour a concrete slab on which you want to build the actual basketball net. The cost of a concrete slab costs about \$7 to \$8 per square foot. So, a concrete slab for a half basketball court may cost up to \$18,800.

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

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

A hot tub requires a stable surface — whether it's a concrete slab, reinforced deck, or firmly compacted soil with crushed gravel.

There's also the option to have the hot tub installed in the ground but that still requires a concrete vault..

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 do you level an uneven concrete slab?

use of a concrete leveler This is the best method to use when the concrete floor is excessively uneven. All you need to do is to get a bag of the concrete leveler and mix it using a drill and a paddle in a bucket with a capacity of 5 gallons.

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 you need to cut a 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

### Does a concrete wall need a footer?

Regardless of the type of masonry material you are using to build the wall, concrete is the material of choice for the footer. A typical footer is twice the width of a wall and equal in depth to the wall's width. The footer should rest on a 6" gravel base set below the frost line.

Guest

### Does a garage concrete slab need footings?

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. The width of the footer needs to be at least 12″ wide.

Guest

### Do you need to put wire in a concrete driveway?

Wire mesh, like Rebar reduced the cracking and any uplift in the concrete driveway. Rebar will be used if there is a structural reason, meaning you need to carry the weight of the slab to pilings or plan to build above the slab. For a driveway, just use the wire, lap it one box around.

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

### 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 do you waterproof a concrete garage floor?

If the moisture is only entering the garage through the floor slab, we recommend the floor is cleaned as previously described. You then need to apply a minimum of two coats of Epoxy Damp Proof Membrane to the clean concrete slab. It is important to provide a protective layer to the Epoxy Damp Proof Membrane.

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

### 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 a concrete base for decking?

Yes, they do need foundations. However, you don't need to set up an elaborate foundation for deck building. There are two ways to build a deck, and how you prepare the foundation slightly differs depending on which one you choose. You can either go for a ground-level deck or an elevated deck.

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.