Quick Answer: How Much Area Does A 60 Lb Bag Of Concrete Cover?

What is the cheapest way to buy concrete?

What Is The Cheapest Way To Buy Concrete.

The cheapest way to buy concrete is to mix your own by purchasing pre-mixed bags for $4.49 each and renting a concrete mixer for $120 per day.

The second best way, it to buy a bulk truckload full (10 cubic yards) for $1,169 including delivery..

What type of gravel goes 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.

Can a concrete slab be too thick?

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. … Compare the bending stress to the concrete’s expected flexural strength.

Is Clay a good base for concrete?

The clay can compress under the weight of the concrete, causing the slab to shift or sink over time. It also can leach moisture from the concrete itself, resulting in uneven curing and a brittle base. With proper preparation, however, it’s possible to pour a slab on clay soil without encountering these problems.

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

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.

Can I pour a 3 inch concrete slab?

Here, pouring a concrete slab 4 inches in thickness is fine. While you may choose to reinforce it with rebar, wire mesh should be sufficient. … A 3- to 4-inch slab will work for the floor of a storage or tool shed, workshop, garden shed, or playhouse.

How many bags of concrete do I need for a fence post?

1 – 4 bagsMost fence post holes will need between 1 – 4 bags of concrete to securely hold the post in place. The best way to determine the size of the hole is: Diameter of the hole is 3 times the width of the fence post. Depth of the hole is one-third to half the above ground height of the fence post.

What is the minimum thickness you can pour concrete?

1.5 inchesThe minimum thickness for pouring concrete over concrete is 1.5 inches.

How much would a 12×20 concrete pad cost?

Concrete Slab Cost CalculatorSize (in feet)Approximate Cost12x12$86512×20$1,44020×20$2,40024×24$3,46010 more rows

How many cubic feet is a 5 gallon bucket?

0.67 cubic feetSince a one-gallon pail is equal to 0.134 cubic feet, a standard five-gallon bucket equals exactly 0.67 cubic feet. We’ll explain how we arrived at that number, what exactly is a cubic foot, how you can calculate it yourself and some uses for the five-gallon bucket.

Should I put plastic under concrete?

Recently, though, research has shown that the old traditional layer of 6-mil Visqueen (polyethylene plastic) under the slab is seldom effective for two main reasons: Although it may seem water-tight, this grade of material allows a lot of water vapor to pass through.

What is poor man’s concrete?

We have a few companies locally that offer “poor man’s concrete”. … It’s a white powdery material they dump and flatten out and when it gets wet, it’s supposed to harden like cement.

How many 60 lb bags are in a yard?

60 pound bag yields .017 cubic yards.

How do you pour a small concrete slab with quikrete?

Project Instructions Check the forms for level (¼ inch for every 12 feet is sufficient to allow for rain run-off). Patio and sidewalk forms should slope evenly away from structures. Evenly spread 3 to 4 inches of QUIKRETE All Purpose Gravel and then level the gravel. Compact the gravel base using a tamper.

Can you pour concrete over dirt?

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

How much does an 80lb bag of concrete cover?

Each 80-pound bag of QUIRKETE® Concrete Mix yields approximately 0.6 cubic feet. For an area of 3-1/2′ x 3-1/2′ by 4” thick, you will need 4 cubic feet of concrete or 7 bags, of 80-pounds each. Yields will vary with waste, uneven subgrade, etc.

How much will a bag of concrete cover?

This is the bag’s “yield,” and this number will act as the proper coverage for your home project. The yield of most concrete mix is roughly 0.15 cubic feet for every 20 pounds of mix. This means that a standard, 60-pound bag has a yield of 0.45 cubic feet, while an 80-pound bag yields 0.60 cubic feet.

Can I use pea gravel under concrete?

If you use pea gravel beneath a patio, take a few simple steps to ensure the stability of the base before setting your surface stones, pavers or bricks. Click to see full answer. … It should be ok to pour concrete over your gravel walk although you might want to give the concrete a little more depth along the sides.

Do you 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.

How many square feet does an 80lb bag of concrete cover?

4 sq feet4 sq feet in that amount of cement.

Do you need rebar for 4 inch slab?

No, you do not need rebar for a 4-inch slab of concrete on grade. A 4-inch-thick slab cast on the ground and in permanent contact with it will float and rebar is not required. Rebar is recommended on concrete measuring 5 – 6 inches thick.

How many cubic feet are in a 60-pound bag of concrete?

0.45 cubic feetEach 60-pound bag of QUIKRETE® Concrete Mix will yield approximately 0.45 cubic feet when mixed. For 1.185 cubic yards, therefore, you will need 72 60-pound bags.

Is quikrete as strong as concrete?

Quikrete fast setting concrete is just as strong as regular concrete. Concrete gets its strength from a chemical reaction that occurs over time during curing. After it’s had time to cure, which usually take 28 days to complete, Quikrete can reach strengths up to 5000 psi.

How much does it cost for 2 yards of concrete?

According to the NRMCA – Ready Mixed Concrete Industry Data Survey, the average cost of concrete in 2018 was $120 per cubic yard, or $240 for the 2 cubic yards needed for a typical 10-by-10-foot patio….Bulk Concrete Prices.Cubic YardsPrice Range1*$140-$2002*$280-$4003*$420-$6004*$560-$8005 more rows

How many bags of concrete do I need calculator?

How Many Bags of Concrete do you Need?Bag SizePre-mix Bags Needed to Fill1/4 cu yd1 cu yd40 lb bags239060 lb bags156080 lb bags1245

How many bags of concrete do I need for 10×10?

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.

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.

Why do you put gravel under concrete?

Because concrete is a very porous material, it will absorb any moisture that it contacts. This can cause pooling. Without crushed stone, pooling water will settle under it and erode your slab. Adding a layer of crushed stone will add proper drainage, as well as create a barrier between your slab and the ground.

Can I pour a 2 inch concrete slab?

If done properly, new concrete can often be poured right over an existing slab. For this to be feasible, the contractor needs to pour at least 2 inches thick, use smaller aggregate, and incorporate reinforcement such as welded wire mesh or fiber mixed into the concrete.

Can I pour my own concrete slab?

For most do-it-yourselfers, the best material for building a concrete slab is ready-mix crack-resistant concrete mix. The wet mix is poured into a prepared wood form, then left to cure. … Two people will mix the concrete in the wheelbarrow, while the third person spreads out the mixed concrete in the form.

How many bags of concrete can you put in a mixer?

two bagsHeavy-duty paddles mix the concrete to a uniform consistency. This concrete mixer can fit up to two bags of concrete.