How thick of a concrete slab for a hot tub?

The weight of concrete per square foot is going to depend on how thick the concrete slab is. You know, from the information above, a cubic foot of concrete weighs 150 pounds. Multiply 150 pounds by . 5 feet and you get 75 pounds for a square foot of concrete that's 6 inches thick.

Hot weather concreting doesn't simply involve temperature. High ambient temperatures, winds, and relative humidity all play a role in “hot weather.” Under hot heather conditions, the primary curing issue is having the top of the slab of concrete dry much faster than the bottom. As concrete dries it shrinks.

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.

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.

A: Concrete is typically applied at a thickness of 2 inches or more, but the thicker it is, the stronger the slab will be. Four inches is most common for a slab. ... Products labeled “High Strength Concrete Mix” are ideal for these types of applications.

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..

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.

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 Thickness Of Concrete Planters For Durability The thickness of a planter needs to be a minimum of ⅜” thick.

A level concrete pad or a reinforced deck are the most common surfaces hot tubs are installed on. However, depending on the spa model you use, you may not need to pour concrete. ... Talk to your hot tub dealer about the specific foundation requirements for your spa model.

28 daysThey said one week is the MINIMUM; they said it takes up to 28 days for the concrete to completely cure, so they recommend 28 days before putting something really heavy (like a hot tub) on it.

You don't need any cement board under the tub. It is far more important to have a sturdy layer of ply under the tub.

The best approach when installing cement board or other tile backer around a tub is to keep the cement board out of the lip area. Apply it to the wall with the bottom edge about 1/4 in. above the lip of the tub. ... Fill the gap between the tile and the tub with caulk.

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..

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.

four-inchesThe concrete slab should be four-inches thick at least; it needs to be thicker if heavy equipment will rest on it.

You don't need any cement board under the tub. It is far more important to have a sturdy layer of ply under the tub.

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

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.

4 to 6 inchesMost specifications for retail or commercial concrete slabs specify 4 to 6 inches of thickness. Owners and contractors have historically disputed whether a poured slab meets a specification because of its thickness.

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..

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.

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.

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.

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.

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.

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.

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..

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

Four 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.

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.

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.

1/4"The backer board should overlap the tub flange so the tile has a stable backing to attach to. This requires shimming the backer board out from the studs so the wall is plumb. There should be a 1/4" gap between the tub ledge and the backer board.

between 11 inches and 12 inchesHighways: The slab thickness on a highway depends on the volume of traffic. Current standards for interstate highways, for example, call for concrete that is between 11 inches and 12 inches in thickness.

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.

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.

How thick should concrete be to withstand four hours of temperatures of 2000 degree F without degrading or failing? The concrete barrier likely will be exposed to more than 2000 degrees F.

How thick should concrete be to withstand four hours of temperatures of 2000 degree F without degrading or failing? The concrete barrier likely will be exposed to more than 2000 degrees F.

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..

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..

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.

Hot tubs do not have to sit on concrete. They can be placed on wooden decks, paver stones, gravel beds, or spa pads. Just don't place a hot tub directly on the ground or on a wooden deck that was not built to support the weight of a fully-loaded hot tub.

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.

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.

Cost of 30x40 Concrete Slab The average cost to pour a 30x40 concrete slab that is 6” thick with metal rebar reinforcements is between $8,196 and $12,384. This cost is based on a general purpose use such as a garage, whereas a foundation for a structure may cost more.

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.

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.

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.

four inchesHow thick is stamped concrete? Our standard slab is a minimum of four inches. Some situations will require us to pour six inches of concrete, and this would be discussed before the project takes place.

How much does a 12x12 concrete slab cost.

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..