Best answer
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.
How do I calculate how much concrete I need for a slab?
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...•
How thick should a concrete slab be for a mobile home?
4 to 6 inches
How thick does a concrete slab need to be for a garage?
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.
How thick should a concrete slab be for a shed?
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.
How long does it take a 6 inch slab of concrete to dry?
6 monthsAn industry rule of thumb for estimating the drying time necessary for concrete floors to reach acceptable moisture content is 1 month of drying for each inch of concrete thickness. So a 6 inch thick slab, may take 6 months to dry sufficiently for flooring.
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..
How much would a 40x60 concrete slab cost?
How much does a 40×60 concrete slab cost? It would be about $8,500 to $12,000 for a 40×60 foot concrete slab, 6 inches thick. That's based on national averages of around $5 per square foot for a fully engineered, finished concrete slab, including labor and materials.
How thick does concrete need to be to stop a 50 cal?
eight inchA standard concrete filled eight inch thick block wall will easily stop at least a single bullet from most if not all commonly used pistol calibers. Subsequently, one may also ask, how far can a . 50 cal penetrate?
How thick does concrete need to be to stop bullets?
eight inchA standard concrete filled eight inch thick block wall will easily stop at least a single bullet from most if not all commonly used pistol calibers.
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.
Related Question Answers

fearless_fool
ProfessorHow thick does concrete need to be for heavy equipment?
Six inchesSix inches of thickness should be more than adequate for areas where heavy equipment will be driven and parked. For lesser loads, four inches.

Fredrik Pihl
ProfessorDo 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.

Aliaksei Kisel
ProfessorDo 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.

GuedesBF
ProfessorCan a concrete slab be too thick?
If the slab is too thin, it may break under load and fail before its time. If the slab is too thick, it costs more than it should. Slab thickness is a major factor in the cost of a concrete floor, so there's often pressure, which can become intense, to make the slab as thin as possible.

adeneo
ProfessorDoes 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″.

MrFuppes
ProfessionalHow 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..

Amit Verma
ProfessionalHow thick should a concrete slab be for a basketball court?
3500 PSIBase Material Many basketball courts are built over a 4” thick concrete slab using 3500 PSI concrete and 1/2″ rebar reinforcements. Concrete is considered ideal for basketball courts as a permanent structure that when done right will not require any maintenance.

JvdV
ProfessionalHow 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.

The.Anti.9
ProfessionalHow thick of a concrete slab for a hot tub?
about 4 inchesConcrete Slab The base of reinforced concrete should be about 4 inches thick and be able to withstand a weight of at least 115 pounds per square foot, especially for larger spas. The concrete should be fully cured prior to placing the tub.

kqw
ProfessionalHow thick does a concrete retaining wall need to be?
Base thickness = 1/8 of the height of the wall but not less than 12 inches. Stem thickness = 6 inches + ¼ inch for each foot of wall height.

turivishal
UserHow thick should a polished concrete floor BE?
about 3 to 5 mmThey typically provide a surface layer about 3 to 5 mm thick. Precautions need to be taken to protect surrounding areas and finishes from the fine airborne particles, and breathing masks should be worn.

Matthew Herbst
UserHow thick should the concrete be for a garage?
four-inchesThe concrete slab should be four-inches thick at least; it needs to be thicker if heavy equipment will rest on it.

Christofer Vilander
UserHow 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.

Tomasz Urbaszek
UserHow 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.

jpenna
UserHow thick does a concrete patio need to be?
Four inchesFour inches is the minimum thickness for a concrete patio. You'll want to make it six to eight inches thick if the patio will support a structure such as a gazebo or hot tub.

Unnie
GuestHow 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..

James Raitsev
GuestHow thick should a concrete slab be for a pole barn?
4”Thickness – The industry standard for a residential pole barn, where you are storing lawn mowers, toys, or regular vehicles, is reinforced concrete floor that is 4” thick. If you have heavier equipment, you may want to consider flooring up to 6” thick for better wear and tear.

nawfal
GuestHow thick should concrete resurfacer be?
1/2 inchUnlike other cement products, it is designed to be applied in very thin coats (no more than 1/2 inch thick), and its additives provide good adhesion to an existing slab. Concrete resurfacer is a very strong product, rated for a compressive strength of about 4,500 psi.

Chen A.
GuestHow 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.

Pork Chop
GuestHow much does it cost for a concrete slab for a garage?
A typical concrete slab will cost between $113 and $126 per cubic yard (27 cubic feet) or $5.35 to $6.17 per square foot on average. Four to eight inch thick concrete slabs are mainly used for driveways, patios, sidewalks, and garage floors.

B Seven
GuestHow much does it cost to cement a pole barn?
It would be about $8,500 to $12,000 for a 40×60 foot concrete slab, 6 inches thick. That's based on national averages of around $5 per square foot for a fully engineered, finished concrete slab, including labor and materials.

Brock Woolf
GuestHow thick does a concrete garage floor need to be?
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.
The standards are expressed in terms of "compressive strength," which boils down to the amount of water used in the mix..

lambshaanxy
GuestHow thick does a concrete sidewalk need to be?
100mmSidewalks should be at least 4" (100mm) in thickness.
Simple slabs for small foundations, bases, etc., normally 4" to 6" (100mm to150mm) thick, depending on the load they must bear.
Slope the walk away from buildings to provide proper drainage..

Nicol Bolas
GuestHow 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.

Rahul
GuestHow thick does concrete need to be for a shed?
A 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..

Eugene M
GuestHow thick should a small concrete slab be?
six (6) inchesIt is essential that you keep your concrete slab at no more than six (6) inches of thickness.

Rotem
GuestDoes 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.

Kornel Kisielewicz
GuestHow thick does a concrete shower pan need to be?
As a general rule, a shower curb foundation is 3 to 4 inches thick and 4 to 6 inches tall, with finish material adding to these dimensions..

Andy Hayden
GuestHow thick do concrete walls need to be?
10 inchesAs a practical consideration, residential designers need to keep in mind that concrete foundation walls are typically 6, 8 or 10 inches thick (nominal). The typical concrete compressive strength used in residential construction is 2,500 or 3,000 psi, although other strengths are available.

Aaron Hall
GuestHow thick does concrete need to be to not crack?
4 inchesApplied-load cracking. In residential concrete, 4 inches is the minimum thickness for walkways and patios. Garage slabs and driveways should be 5 to 6 inches thick if any heavy truck traffic is anticipated, otherwise 4 inches is adequate.

Péter Török
GuestHow thick is concrete around a pool?
6 inches thickTo be structurally sound, a concrete pool shell should generally be 6 inches thick. Depending on the engineer and the soil condition, it may be more. (On top of that, the plaster interior finish should be at least ⅜ inch thick.) The pool will also need to meet the ANSI/APSP standards.

Martin Tournoij
GuestHow thick should a reinforced concrete driveway be?
4 inchesFor a concrete driveway to last the life of your home, it must be well constructed. Concrete driveway slabs typically are 4 inches thick but can be up to 6 inches thick to provide additional support for large trucks and other heavy vehicle traffic. Ideally, the slab has some kind of reinforcement inside.

Elias Zamaria
GuestWill 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.

Olaf Kock
GuestHow much does it cost to pour a 12x12 concrete slab?
The average cost to pour a 12x12 concrete slab that is 4” thick is between $888 and $1,584, with professional labor and materials included.

Harsh Bhikadia
GuestHow 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..

Jack J Jun - MSFT
GuestHow 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.

yahavi
GuestHow 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.

P.J.Meisch
GuestHow much concrete does an 80 pound bag of quikrete make?
Each 80-pound bag of QUIKRETE® Concrete Mix will yield approximately 0.6 cubic feet when mixed. For a slab of 4' by 7' at 6” thick, you will need 14 cubic feet of concrete, or 24 80-pound bags.

rixo
GuestHow much does a 60 lb bag of concrete cover?
QUIKRETE® Concrete Mix is suitable for a slab to support a Jacuzzi. Each 60-pound bag of QUIKRETE® Concrete Mix will yield approximately 0.45 cubic feet when mixed. For a 8' by 8' floor at 6” thick, you will need 32 cubic feet of concrete, or 72 60-pound bags.

Boiethios
GuestHow much does it cost to pour a 40x60 concrete slab?
How much does a 40×60 concrete slab cost? It would be about $8,500 to $12,000 for a 40×60 foot concrete slab, 6 inches thick. That's based on national averages of around $5 per square foot for a fully engineered, finished concrete slab, including labor and materials.

Steffen Moritz
GuestHow thick does a concrete overlay have to be?
25 to 50 mmThe minimum recommended thickness is 1 to 2 in. (25 to 50 mm) for a fully bonded concrete overlay placed on a base slab that is practically free of cracks and in which the concrete is sound, clean, and of good quality.

Vadzim
GuestHow thick does a concrete overlay need to be?
25 to 50 mmThe minimum recommended thickness is 1 to 2 in. (25 to 50 mm) for a fully bonded concrete overlay placed on a base slab that is practically free of cracks and in which the concrete is sound, clean, and of good quality. The use of welded wire fabric reinforcement is usually not warranted under these conditions.

ypnos
GuestHow thick does a concrete slab need to be for a shop?
If these steps are performed correctly, the owner can expect an attractive, durable product. 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.

Darek Kay
GuestHow thick does a polished concrete floor need to be?
about 3 to 5 mmThey typically provide a surface layer about 3 to 5 mm thick.

Rob Bednark
GuestHow thick does the concrete need to be for a patio?
4 inchesThe minimum thickness of any concrete slab is 4 inches. However, if the concrete patio will have heavy features added to it, you may want to thicken it to 6 or 8 inches. The concrete is typically laid on a 2-3 inch base of gravel, sand, limestone, or other aggregates.

duffymo
GuestDo 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.

Rafe Kettler
GuestDoes 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.

Nico Schlömer
GuestHow big can a concrete slab be without expansion joints?
Usually, expansion joints should be no farther apart than 2 to 3 times (in feet) the total width of the concrete (in inches). So for a 4 inch thick concrete slab, expansion joints should be no more than 8 to 12 feet apart.

Knight Forked
GuestHow much does a concrete patio cost in Canada?
Cost To Pour Concrete Patio Slab A concrete patio is generally 4” thick and costs $5.53–$10.25 per square foot to install.

Harry
GuestHow thick does a concrete slab need to be for a mobile home?
A flat, concrete surface, 4 to 6 inches deep, slab foundations usually have another 4 to 6-inch layer of gravel beneath them. Homes with slab foundations require that all plumbing and wiring for utilities be contained within the walls and flooring of the actual house. This is common in mobile and manufactured homes.