Quick Answer: How Many Bags Of Concrete Do I Need For A 4×4 Slab?

What is a cheaper alternative to concrete?

Brick is one of the alternatives to a concrete driveway that looks great and won’t cost you much.

It can be semi-permeable if laid over sand and comes in many styles.

Loose gravel makes for one of the cheapest driveway alternatives, though it can be high-maintenance when compared to other asphalt driveway alternatives..

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 many 80lb bags of concrete make a yard?

How many 80 lb bags of concrete do I need for 1 yard? The finished volume of an 80# bag of Sacrete or Quikrete (pre-mixed cement, sand and gravel) is 0.6 cubic foot (stated on the bag). There are 27 cubic feet in a cubic yard. Dividing 27 cubic feet by the volume of the bag will give you the number of bags you need.

How many 20 kg bags of premixed concrete do you need?

Yield: One 20kg bag will cover an area of 1.1m2 to a depth of approximately 10mm. Or 108 x 20kg bags equates to one cubic metre of mixed concrete. 20kg bags can be bought individually or as a pallet of 70.

How many bags of concrete do I need for a 4×4 pad?

The calculator will indicate the number of 60 or 80 pound bags of QUIKRETE® Concrete Mix you need to build a 4″ or a 6″ slab.

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

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.

Can you pour concrete directly on dirt?

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

How much concrete does an 80lb bag make?

A 80 lb. bag provides 0.6 cubic feet of cured concrete. If you have concrete delivered it is sold by the yard (which is a cubic yard = 27 cubic feet).

How thick should a 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.

How much area does a bag of concrete cover?

One 50-pound bag of Quikrete Fast Setting Concrete Mix yields about . 375 cubic feet. For example, if you need to cover 33.333 cubic feet, using 60-pound bags of concrete, divide 33.333 cubic feet by . 45 cubic feet to get 74.07 total bags of concrete.

How much does a 25kg bag of concrete cover?

As a rule of thumb 1 of our 25kg bags will cover an area of 0.25m to a recommended depth of 50mm. We also offer 855kg bulk bags. Please use the handy tool below to insert your rough dimensions and we’ll calculate approximately how many bags you’ll require. Please note bag weights are approximate, and they can vary.

How many bags of concrete is 1m3?

one 20kg bag will cover an area of 1.1m2 to a depth of approximately 10mm. or 108 x 20kg bags equates to one cubic metre of mixed concrete.

How many bags of concrete do I need for a 4×8 slab?

Your project is 32 square feet at a depth of 4”. Here is the quantity that you will need for your slab. Quikrete Concrete Mix: 24- 60lb bags.

How many bags of concrete do I need calculator?

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 does a 80lb bag of quikrete cover?

4 sq feet in that amount of cement.