Regarding this, “how many bags of concrete do I need for a 10×10 slab of 4 inch thick?”, at 4 inches thick, generally you will need 49 bags of 90lb ready mix concrete, 56 bags of 80lb concrete, 74 bags of 60lb concrete or 111 bags of 40lb ready mix concrete for a 10×10 slab.

Also, Should you put plastic under concrete?

A concrete vapor barrier is any material that prevents moisture from entering a concrete slab. Vapor barriers are used because while fresh concrete is poured wet, it’s not supposed to stay that way. It needs to dry and then stay dry to avoid flooring problems. … This is why a vapor barrier under concrete is essential.

Hereof, How much area does a 50 lb bag of concrete cover?

Regarding this, how much does a 50 lb bag concrete cover?, as 133 lb concrete = 1 CF, so a bag of 50 lb concrete = 50/133 = 0.375 CF, therefore, a 50 lb bag of concrete approximately cover around 1.5 square feet area upto standard depth of depth of 3 inch for your patio and sidewalk.

Also to know How much does 2 yards of concrete cost? Bulk Concrete Prices

Cubic Yards Price Range
1* $140-$200
2*
$280-$400
3* $420-$600
4* $560-$800

How many yards of concrete do I need for a 10×10 slab?

The amount you will need for a 10 x 10 slab is 1.3 cubic yards, we always add an extra 10% to allow for any slab depth variations or spills that may occur.

18 Related Questions Answers Found

Can you pour concrete directly on dirt?

Long story short, yes you can pour concrete over dirt.

Do I need gravel under concrete?

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.

Do you need black plastic under concrete driveway?

Is a vapour barrier necessary under a concrete slab? … So yes, a vapour barrier is required under a concrete slab for a Class 1 building (a dwelling) and for Class 10 (eg a garage) where the slab is continuous with the dwelling. In New South Wales, Clause 3.2.

How many bags of concrete do I need for 100 square feet?

1.187 bags (59 kg) of cement is required for 100 sq ft 20 mm thick external wall plastering.

How many bags of cement do I need for 1 cubic meter?

One cubic meter of concrete is equal to 1.308 cubic yards of concrete. If there are 5 1/2 bags of cement in 1 cubic yard of concrete, there would be 7.2 bags in 1 cubic meter of concrete. These are the 94 pound bags of portland cement or 42.64 kg bags of cement. Join in and write your own page!

How much area will a 50 lb bag of sand cover?

Regarding this, “50 lb bag of sand cover how much area?”, generally a typical 50 lb bag of sand yields 0.5 cubic feet that will cover 3 square feet area for standard 2 inch depth for excavation and backfills, for 1 inch depth, it will cover 6 square feet, for 3 inch depth, it will cover 2 square feet and for 4 inch …

Is it cheaper to mix your own concrete?

One of the least expensive ways to get concrete is to mix your own. You can buy bags of the mix from a home improvement store. Typically, you only have to add water for it to be ready to pour. … Otherwise, you risk getting a weaker concrete once it cures, which could lead to cracks or crumbles within a couple of years.

How much is truck load of cement?

The average cost of concrete delivery is $119 to $147 per cubic yard for a full 10-yard truckload of ready-mix concrete, and $172 per yard for a short-load of less than 10 yards. The cost of concrete to pour a sidewalk is $255 to $320, while a driveway or garage slab runs $1,060 to $1,270.

How much does it cost to pour a 12×12 concrete slab?

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

How do I figure out how many bags of concrete I need?

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.

How many square feet is a yard of concrete 4 inches thick?

One Cubic Yard of Concrete: 4-inches thick – covers 81 square feet. 5-inches thick – covers 65 square feet.

How much does a 30×30 concrete slab cost?

How much is the cost of a 30×30 concrete slab? A 30×30 foot concrete slab costs about $5,400 including installation. This is for 6-inch thickness, but can go up or down depending on what your concrete pro recommends.

Can I use pea gravel under concrete?

Backfill beneath concrete flat-work along foundation walls should be accomplished with a granular material that is uniform in size. Some fill materials, such as round stones like pea gravel, tend to be self compacting. “I recommend open-graded granular material be used,” says Tull.

What type of gravel goes under concrete?

Most concrete contractors want a mix of coarse and fine aggregate to create a compactable base that is going to be safe for settlement and drainage. Crusher run (a mix of crushed stone and stone dust) is one of the best base materials for concrete flatwork.

How much concrete will a 94 pound bag of Portland cement make?

One 94 lb. bag of Portland Cement makes 4.5 cubic feet of concrete. For thicknesses less than 2 inches and toppings, use: 1 part of Portland Cement with 3–4 parts of concrete sand or general purpose sand.

How many inches of gravel do you need for a concrete slab?

How Much Gravel Do You Put Under a Concrete Slab? You will need 3 inches of gravel under a concrete slab that is 4 inches thick. More gravel is better, but 3 inches is the minimum amount of gravel you should have with a 4” slab. Use ¾” washed and screened gravel, then compact it to level.

What kind of gravel goes under concrete?

Most concrete contractors want a mix of coarse and fine aggregate to create a compactable base that is going to be safe for settlement and drainage. Crusher run (a mix of crushed stone and stone dust) is one of the best base materials for concrete flatwork.

Do you need a vapor barrier under concrete driveway?

Water vapor will always move from a high relative humidity environment below the building into an area of low relative humidity – even through concrete. That’s why nearly every expert in the concrete industry recommends a below-slab vapor barrier to stop the vapor drive of water upward and into your building envelope.

What do you put under cabinets on concrete?

You should install an insulating underlayment product that is the same height as the finished flooring. If you install wood product directly on concrete, the moisture in the concrete will wick up into the cabinets and ruin the parts in contact with the concrete.

Can you pour concrete into plastic?

Pour concrete into fancy, round or square plastic planters. Use a smaller plastic container to form the inside of the planter. Your new concrete planter will be shaped and decorated just like the hard plastic original.