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.

Answered by: Grant Winney Date created: Jun 27, 2022

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

Asked By: Taneenene Date created: Jun 09, 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: orlp Date created: Jun 10, 2022

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

Asked By: Babken Vardanyan 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: Gilles Quenot Date created: Jun 14, 2022

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

Asked By: Tagir Valeev Date created: Jun 22, 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: Praveen Gollakota Date created: Jun 22, 2022

What is the minimum concrete cover for rebar?

Asked By: Bastien Ducreux Date created: Jun 19, 2022

The minimum concrete cover requirements are based on exposure conditions and rebar size. In your case, the slab is not exposed to weather or in direct contact with ground, allowing for the 3/4-inch cover, provided the rebar is No. 11 or smaller.

Answered By: Jason Date created: Jun 21, 2022

Can you lay concrete without rebar?

Asked By: Sardaukar Date created: Jun 10, 2022

It's false economy to do concrete without putting in rebar and mesh.

Rebar around the perimeter at the least, and mesh over the rest.

Pull it up when pouring so it is not resting on the bottom of the slab.

You don't need the fancy rebar supports, a stone or broken brick will work just as well..

Answered By: skirtle Date created: Jun 11, 2022

Do I need rebar in a concrete slab?

Asked By: dbyrne Date created: Jun 13, 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: John Date created: Jun 14, 2022

What size concrete piers do I need?

Asked By: hardillb Date created: Jun 25, 2022

Pier diameter. My rule of thumb for pier diameter is “1 inch per foot of span.” Thus, a deck that spans 8 feet will stand comfortably on 8-inch-diameter piers, while a deck that spans 10 feet requires 10-inch-diameter piers.

Answered By: Georgy Date created: Jun 25, 2022

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

Asked By: Synchro Date created: Jun 13, 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: Eli Date created: Jun 14, 2022

How many bags of cement do I need for 100 blocks?

Asked By: HoldOffHunger Date created: Jun 15, 2022

three bagsIt takes three bags of mortar to lay 100 Block for Type N, Type S and Type M. How many Block can be laid with one bag of redi-mix mortar? You can lay ten block with one bag of redi-mix mortar. What size precast concrete steps do you carry?

Answered By: Ross Moody Date created: Jun 17, 2022

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

Asked By: DuncG Date created: Jun 10, 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: ArtOfWarfare Date created: Jun 11, 2022

Professor

How many bags of cement do I need calculator?

For concrete, the formula for volume is as follows: length x width x thickness. To determine how many bags of concrete you will need, divide the total cubic yards needed by the yield. Use the following yields per each bag size: 40 pound bag yields .011 cubic yards.

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 you need rebar in concrete patio?

Not all surfaces need concrete rebar reinforcement, but adding it makes concrete stronger and more resistant to large cracks. ... Without rebar reinforcement, concrete is highly prone to cracks due to tension forces. Rebar helps prevent cracks from growing wider largely by preventing cracked slabs from moving apart.

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 do you bid a concrete slab?

A typical concrete slab costs \$4 to \$8 per square foot with most homeowners spending between \$5.35 to \$6.17 per square foot, or \$113 to \$126 per cubic yard for both materials and installation. Your final cost will depend on the slabs size, thickness, and if you any special reinforcement such as wire mesh or rebar.

Professional

How do you get rebar on a concrete slab?

Slide the rebar locator horizontally over the concrete until it beeps. Guide the locator slowly along the edge of the concrete and pay attention to the display. Watch for a bar or circle appearing in the middle of the screen, which means you're close to the rebar.

Professional

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

Can you pour concrete slab without rebar?

Not all surfaces need concrete rebar reinforcement, but adding it makes concrete stronger and more resistant to large cracks. ... Without rebar reinforcement, concrete is highly prone to cracks due to tension forces. Rebar helps prevent cracks from growing wider largely by preventing cracked slabs from moving apart.

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

How do I add a new concrete slab to an existing slab?

Tie into the existing slabs When you're joining two concrete slabs, connect the two with rebar to keep them at the same height. Drill the holes as deep as you can (the entire length of the bit) so the rebar fits snugly into the holes. Insert chunks of rebar and tie them into the grid.

User

Do concrete patios need rebar?

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 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 a small concrete pad?

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.

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 4 inch concrete need rebar?

No, depending on your proposed loads. But a 4″ thick slab really shouldn't have rebar in it, too thin. Most thing slabs, like driveways or sidewalks have a wire mesh reinforcement in them not rebar. ... If your slab is going to be subjected to enough load to need rebar it will also need to be thicker; 6″ or 8″.

Guest

How many bags of concrete do I need for a basketball court?

elevenThe recommended hole size is 16 inches in diameter and 48 inches deep. You will need eleven 80-lb bags of concrete for the installation. How much does it cost to install an in ground basketball hoop? On average, installation will cost around \$450.00 for an in-ground system if you have it professionally 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 do you pour concrete into a saw cut slab?

How to re-pour concrete in saw-cut slab? hammer-drill holes sideways into the cut surfaces of the concrete to make holes 3-inch deep for dowels (3/8 rebar that I already have sitting around) remove all loose material from the dirt hole. clean rocks and concrete out of the fill dirt.More items...•Jan 12, 2007

Guest

What size concrete breaker do I need?

When working in hard material we recommend a 7,500 – 10,000-ft.lb. breaker, and if high production is critical, a 13,500-ft.lb. breaker would be beneficial. BREAKING CONCRETE: When breaking Concrete, the breaker is expected to penetrate the material, allowing it to crack and shake loose from the reinforcing steel.

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 much rebar do I need for a concrete wall?

Rebar is placed horizontally and vertically in the wall, in a grid pattern. As a minimum, #4 rebar (1/2 inch) is spaced vertically at 36 inches on center, continued to within 8 inches of the top of the wall, placed on the tension side -- the inside face -- of the wall.

Guest

Do I need rebar in concrete sidewalk?

Do Sidewalks Need Rebar? Most sidewalks don't need to be reinforced with rebar. Rebar is a steel bar used to reinforce the strength of concrete used to withstand heavy weight. ... General use sidewalks don't benefit from the addition of rebar.

Guest

Does a concrete walkway need rebar?

Do Sidewalks Need Rebar? Most sidewalks don't need to be reinforced with rebar. Rebar is a steel bar used to reinforce the strength of concrete used to withstand heavy weight. ... A reinforced sidewalk can complicate repairs.

Guest

Do you need rebar in concrete footings?

Using Rebar for Concrete Deck Footings Plain concrete deck foundations without rebar are acceptable under the minimum standards of construction established in the International Residential Code.

...

Footings with large bearing areas or unstable soil can benefit from adding rebar to prevent cracking..

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

How much does a 12x24 concrete slab cost?

A typical concrete slab costs \$4 to \$8 per square foot with most homeowners spending between \$5.35 to \$6.17 per square foot, or \$113 to \$126 per cubic yard for both materials and installation.

Your final cost will depend on the slabs size, thickness, and if you any special reinforcement such as wire mesh or rebar..

Guest

How do you make a concrete slab stronger?

Reinforce a concrete pour with rebar or steel mesh. Rebar is the most common addition for strengthening the pour. In vertical or horizontal projects, the more rebar present in the concrete, the stronger the finished project will be.

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 rebar in concrete with fiber?

If you want to stop microcracks from growing into visible cracks, you need steel fibers. If you want to limit the width of cracks that will occur anyway, you need rebar. And if you want to achieve both goals, maybe you need both products.

Guest

Does a concrete slab need rebar?

The purpose of concrete reinforcing bar is to provide concrete with greater tensile strength to minimize cracking.

Concrete slabs poured on the ground with a properly prepared and compacted base, and that isn't expected to support heavy loads, doesn't require rebar..

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

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

Does a small concrete slab need rebar?

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..

Guest

Does fiber concrete need rebar?

Sometimes you need steel fibers, and sometimes you need rebar, and only in a few limited situations can one effectively replace the other. To put it simply, steel fibers prevent cracks, while rebar limits the width of cracks. ... You can't do that with rebar. Example 2 is a concrete highway two miles long.

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

Is rebar needed in 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

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 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

Can I pour concrete without rebar?

It's false economy to do concrete without putting in rebar and mesh. Rebar around the perimeter at the least, and mesh over the rest. Pull it up when pouring so it is not resting on the bottom of the slab. You don't need the fancy rebar supports, a stone or broken brick will work just as well.

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

What should I ask a concrete contractor?

10 Questions to Ask a Concrete ContractorHow much experience do you have? ... Do you have a portfolio of pictures of your previous work? ... Can you provide references? ... What is your schedule like? ... How long will my project take? ... Will you need to obtain permits for my project? ... Will you be reinforcing the concrete with rebar?More items...

Guest

What size concrete slab need rebar?

This strength is crucial for things like buildings, roads and driveways. 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.

Guest

What wood do you use for concrete forms?

Making Wood Forms for a Slab Standard concrete patios, sidewalks or other projects simply have a square lumber frame to hold in the concrete. The framing, typically 2x4 lumber, must be set square and level with the inside dimensions equal to the size of the slab.

Guest

Do concrete driveways need rebar?

The presence of rebar in a concrete project gives the final project considerably more strength than concrete alone. This strength is crucial for things like buildings, roads and driveways. Rebar is not necessary for every concrete project.

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.