# How Many 80 Lb Bags Of Concrete?

## How many square feet is in a 80 pound bag of concrete?

4 sq feet in that amount of cement.

## How many 80 pound bags of Quickcrete make a yard?

Each 80 pound bag yields 0.6 cubic feet. There are 27 cubic feet in a cubic yard. Thus, it requires 45 bags to yield 1 cubic yard.

## How many 80lb 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.

## Can you pour concrete directly on dirt?

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

## How much area does a 50 lb bag of quikrete 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.

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

Mix two 50lb bags of concrete with water in a mixing tub or 5-gallon bucket. Add concrete into the hole and around the 4” x 4”. Depending on your climate, let concrete set up for 24 – 48 hours.

## How many 80lb bags of quikrete does it take to make a yard of concrete?

One 80lbs bag of Quikrete Concrete Mix will yield approximately. 60 cu ft. So it will take 45 bag to equal one cubic yard of concrete.

## How many posts will a bag of Postcrete do?

As for how many bags of postcrete you need per post, that’s purely dependant on how big you make the post holes. As a rule of thumb, when using standard post hole diggers, I average 1 bag per post. For larger holes I would allow 1.5 bags to 2 bags per hole.

## How many 60 pound bags of concrete make a yard?

60 pound bag yields.017 cubic yards.

## How much does a bag of concrete make?

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.

## Is gravel necessary 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.

## 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.

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## Do you need rebar for 4 inch slab?

No, you do not need rebar for a 4inch slab of concrete on grade. A 4inch-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.