Best answer
It 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 thick should my concrete slab be?
4 inchesStandard 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. To prepare the base, cut the ground level to the proper depth to allow for the slab thickness.
Can I pour my own concrete slab?
Pouring a concrete slab yourself can be a big money-saver or big mistake. We show you the best techniques and tools so you get concrete forms right the first time.
Should my plaster cast be loose?
The plaster cast has become too loose, cracked or soft Under normal circumstances you should not be able to move the cast up, down or around your limb. It should feel comfortable. It should not be cracked at any point nor should it feel soft.
How thick should a concrete slab be for a mobile home?
4 to 6 inches
How deep should a sub base be for a concrete slab?
100mmSub-grade. The surface needs to be dug off to a depth of at least 100mm, or whatever depth is required for the proposed concrete slab. Remove all weeds and other unwanted organic matter. Excavate any soft spots and fill with compacted sub-base material.
How do I keep my concrete slab from sinking?
How can I prevent my concrete from sinking?Seal all open cracks and joints with a polyurethane or silicone caulk. ... Make sure downspouts are discharging at least five feet away from any concrete slab – the farther the better.More items...•
How deep should I dig for a concrete slab?
Add 2 inches to the depth for gravel if the soil is normally moist or has a high concentration of clay. Most concrete slabs will sit 1 to 2 inches higher than the dirt and 2 to 3 inches below the surface of the dirt, making the needed depth of the hole 3 to 5 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 deep should concrete piers be?
The minimum thickness for a pier is 8 inches. The minimum thickness for pier footings is 8 inches or 1-1/2 times the length of the footing projection from the pier, whichever is greater.
How thick should concrete footings be?
Footing thickness - 8 to 12 inches. Footing depth - varies based on frost line and soil strength (some footings can be shallow, while other must be deep)
Related Question Answers

Inanc Gumus
ProfessorHow deep should a concrete base be for a log cabin?
100mmConcrete.
A base of concrete can be done in a number of ways.
Generally it can be done with simple timber shuttering.
The average base will be about 80 – 100mm deep..

blade
ProfessorHow deep should a concrete footing be for a retaining wall?
Concrete retaining wall footing size The depth to the bottom of the base slab should be kept at a minimum of two feet. However, it should always be below the seasonal frost line, and that often is much deeper in northern climates.

Shubham Khatri
ProfessorHow deep should a concrete fence post be in the ground?
Concrete fence posts must be fixed into the ground in the traditional way: by digging a hole. When concreting fence posts into the ground, the posts should be buried a minimum of 600mm deep. The recommended depth for a 1.80m or 6 foot high fence is 760mm or 2' 6".

Bill
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.

Sapnesh Naik
ProfessorHow 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.

Nebulastic
ProfessionalWhy is my concrete floor lifting?
While rare, another problem for existing homes built on clay subsoil can occur when the excavation for the floor slab was not sufficiently deep. A long period of drought can result in shrinkage, causing floors to subside. ... This causes the concrete floor to expand and push upwards, crack and bulge like a small mound.

Vondo
ProfessionalWhen should I start curing my concrete slab?
How early should the curing begin? Curing should begin as soon as compaction and finishing is completed and before concrete surface looses its water and undergo shrinkage. This is very important for concrete with low to very low water/cement ratio, which does not have much water to bleed to the surface.

Michael Piefel
ProfessionalHow do I stop my concrete sinking?
How can I prevent my concrete from sinking?Seal all open cracks and joints with a polyurethane or silicone caulk. ... Make sure downspouts are discharging at least five feet away from any concrete slab – the farther the better.More items...•Dec 21, 2018

Aman
ProfessionalHow 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.

LJHarb
ProfessionalHow can I strengthen my concrete slab?
There are also some other techniques used for strengthening a reinforced concrete slab such as:Increasing the shear bearing capacity of the slab by adding steel plates strengthened by vertical screw bolts.Strengthening of the slab by post stressed reinforcement.Adding steel beams.More items....

root
UserHow much does it cost to get a slab of concrete poured?
Concrete slabs typically cost about $6 per square foot, or between $4 and $8 per square foot including labor. That's about $5,400, or between $3,600 and $7,200 for a typical 30- by 30-foot slab that's 6 inches deep. Materials alone cost about $4 per cubic foot.

Daniel Gimenez
UserHow much concrete is needed for a fence post?
To calculate how much concrete you need, you need to know the post size you are going to use and how many posts you are installing.
Your post diameter and height determine how big each hole needs to be.
As stated above, fence post holes should be 3 times the diameter of your post and 1⁄3 as deep as your post..

Platinum Azure
UserHow deep do concrete fence posts need to be?
600mmConcrete fence posts must be fixed into the ground in the traditional way: by digging a hole. When concreting fence posts into the ground, the posts should be buried a minimum of 600mm deep. The recommended depth for a 1.80m or 6 foot high fence is 760mm or 2' 6".

ospider
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.

M.Viking
UserHow thick should my concrete driveway be?
four inchesAs for thickness, non-reinforced pavement four inches thick is standard for passenger car driveways. For heavier vehicles, a thickness of five inches is recommended. To eliminate standing water, the driveway should be sloped towards the street a minimum of one percent, or 1/8 inch per foot, for proper drainage.

hmjd
GuestWhen should I cut my concrete slab?
Joints should be sawed as soon as the concrete will withstand the energy of sawing without raveling or dislodging aggregate particles. For most concrete mixtures, this means sawing should be completed within the first six to 18 hours and never delayed more than 24 hours.

Benjol
GuestHow do you cut concrete expansion joints?
The thumb rule used to determine the depth of the control joint is to cut the joints one-quarter to one-third the slab thickness. If the concrete slab laid is 150mm thick, the depth of the joint must be 40mm to 50mm. If the joint is too deep, aggregate interlocking will not be sufficient to transfer loads.

Josh Stodola
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.

John Mee
GuestHow soon after pouring concrete should you water it?
Concrete which is moist cured for 7 days is about 50% stronger than uncured concrete. Water curing can be done after the slab pour by building dams with soil around the house and flooding the slab. The enclosed area is continually flooded with water. Ideally, the slab could be water cured for 7 days.

breq
GuestHow thick should a concrete drive be?
For a standard driveway your sub-base should be at least 100mm deep (the same depth as the concrete), rising to 150mm if you plan to park larger vehicles on it. The hardcore sub-base needs to be in place and compacted before any ready-mix concrete arrives.

philfreo
GuestWhat is the best base for concrete driveway?
gravel baseThe gravel base for a driveway should be a minimum of 4 inches deep. If heavier vehicles, such as large trucks, will use the driveway regularly, the gravel should be even deeper, up to 12 inches. Poor soil or a sloped driveway may also require deeper gravel.

gregh
GuestHow deep should a concrete fence post be?
600mmConcrete fence posts must be fixed into the ground in the traditional way: by digging a hole.
When concreting fence posts into the ground, the posts should be buried a minimum of 600mm deep.
The recommended depth for a 1.80m or 6 foot high fence is 760mm or 2' 6"..

Grzegorz Żur
GuestShould you caulk concrete saw cuts?
Control joints or saw cuts should be addressed the same as above. The control joint can be filled with backer rod or even sand. Filling the saw cut is mandatory as control joints are 1/4 the thickness of the concrete. On a 4″ slab, that is a 1″ deep saw cut and nobody want to use that much caulking.

Henk Holterman
GuestWhat color should I paint my concrete foundation?
In general, the foundation color should be the same or darker than the siding color.

QoP
GuestDo 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.

Ernest Friedman-Hill
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.

LinusGeffarth
GuestHow thick should concrete be for heavy equipment?
6 inchesIf they will be subject to occasional use by garbage trucks, RVs or other heavy vehicles, the recommended thickness may be 6 inches or more. Parking Lots: Most parking lots will need concrete pavement that is at least 6 inches deep. If heavyweight trucks will also be allowed, the thickness must be increased.

Mike Müller
GuestHow do I keep my concrete slab from cracking?
4 WAYS TO PREVENT CRACKED CONCRETEStart with a sound subgrade. Make sure the subgrade is compacted. ... Modify the concrete mix. Use a low water-to-cement ratio. ... Install joints. Be active in deciding where control joints will be placed. ... Properly cure the concrete. Properly curing concrete slabs: Why and how to cure.

Kafels
GuestHow much concrete do I need for a post hole?
To calculate how much concrete you need, you need to know the post size you are going to use and how many posts you are installing. Your post diameter and height determine how big each hole needs to be. As stated above, fence post holes should be 3 times the diameter of your post and 1⁄3 as deep as your post.

pyon
GuestShould I insulate under my concrete slab?
Creating an insulation layer and a vapor barrier between the concrete slab and the ground beneath it is the best practice in insulating basement floors. The insulation barrier will help keep warm air in, and the vapor barrier will keep unwanted moisture out.

Chris Morgan
GuestShould I seal my new concrete garage floor?
Sealing products can not be used on newly poured concrete. Homeowners would have to wait 28 to 30 days when the concrete has completely cured. Applying the sealer too early will be detrimental to the durability of the new concrete slab.

Dean Elliott
GuestHow long should concrete be before edging?
Step 1 - Wait Until the Cement is Almost Dry Before you begin to edge the concrete slab, you should wait until it starts to dry and harden. When you start edging, the cement should be slightly firm but still pliable and able to be worked with the edger.

Alex
GuestHow many inches deep should a concrete patio be?
8 inches deepIf you install a concrete patio, dig out a space 8 inches deep; 4 inches for the some, another 4 inches for the concrete, and another 2 inches to allow for mortar and brick.

BOZ
GuestHow deep do concrete anchors need to be?
Steps to Installing Concrete Fasteners The hole should be drilled 1/4" to 1/2" deeper into the base material than the anchor will penetrate. This allows for any material to fall when the anchor is inserted into the hole. After the hole is drilled, it must be cleaned of all debris, material or dust.

techfoobar
GuestHow deep do concrete piers need to be?
12 inches deepBy code, the bottom of a footing must be at least 12 inches deep and below the local frostline—whichever is deeper—and bear on stable, undisturbed soil that is free of organic matter. And the code requires a minimum compressive strength of 2,500 psi for the concrete.

Alan Wells
GuestHow deep should concrete anchors go?
Steps to Installing Concrete Fasteners The hole should be drilled 1/4" to 1/2" deeper into the base material than the anchor will penetrate.
This allows for any material to fall when the anchor is inserted into the hole.
After the hole is drilled, it must be cleaned of all debris, material or dust..

jldupont
GuestHow deep should footings be for a concrete block wall?
For a wall that will be higher than 750mm make the footing three times the thickness.
All footings should be a minimum of 150mm (6") in depth, with the bottom 350 - 400mm (14-16") below ground level on most soils.
For clay soil however, thicker and deeper footings should be used..

Kousha
GuestHow do I stop water seepage in my concrete floor?
Seal Your Basement or Garage Floor – The proper method is to deep seal the concrete floor first with RadonSeal Concrete Sealer. RadonSeal provides the permanent waterproofing solution for concrete slabs by stopping capillary water seepage due to hydrostatic pressure or wicking water.

Yanick Rochon
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.

Gustav
GuestWhen Should I seal my concrete countertops?
A. If you are using the SiAcryl 14, you can begin sealing 4-5 days after pouring. If you are using an epoxy sealer you must make sure the concrete is 100% cured. This can take as long as 28 days, however, on a slab this thick you will usually be safe after 10 days.

Obakeng Molebatsi
GuestWhen Should I seal my new concrete driveway?
A driveway sealer should be applied after the freshly poured concrete has cured. Most contractors find success waiting 7 to 14 days, but the official time for curing is 28 days. If you are having a patio poured at the same time, it should also be sealed.

Shashank Agrawal
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.

Sander Versluys
GuestHow often should I seal my stamped concrete patio?
every 2 to 3 yearsStamped concrete should be resealed every 2 to 3 years, depending on your weather conditions. Here's how to reseal your stamped concrete after it has been cleaned: Dry completely - allow 24 hours to air dry or use a leaf blower. DO NOT apply sealer to wet or even damp surfaces.

Albert
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.

nmichaels
GuestHow thick is a concrete driveway?
75-100mmConcrete paths should be 75-100mm thick, whereas drives, garage bases or hardstandings should be at least 100mm thick. For heavier use, such as large vans, use a 150-200mm thick concrete slab.

Ortwin Gentz
GuestHow thick should a concrete slab be Australia?
between 85mm and 100mm“Slab” issues that most often arise in disputes between builders and owners relate to the size of cracks that may appear, and the thickness of the concrete slab installed. In Western Australia the most common slab thickness is between 85mm and 100mm.

Tom Slabbaert
GuestWhat depth should a concrete driveway be?
100mmFor a standard driveway your sub-base should be at least 100mm deep (the same depth as the concrete), rising to 150mm if you plan to park larger vehicles on it. The hardcore sub-base needs to be in place and compacted before any ready-mix concrete arrives.

bobince
GuestHow thick should concrete be for a 2 post car lift?
What are the concrete floor requirements of my lift? 12,000 pound two-post lifts (and higher capacity): Six (6) inches of concrete at 3000 PSI is required.

Abdul Aziz Barkat
GuestHow thick should concrete be for 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..

peterevans
GuestHow much cement should be around a fence post?
Your post diameter and height determine how big each hole needs to be. As stated above, fence post holes should be 3 times the diameter of your post and 1⁄3 as deep as your post.