Readers ask: How Many Bags Of Concrete For 12 Sonotube?

How much concrete do I need for a sonotube?

For example, a sono tube with a 10″ diameter and a 4′ depth requires 0.08 cubic yards of concrete.

How many bags concrete do I need calculator?

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 bags of concrete do I need for a post hole?

Most 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.

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

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

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.

Do you leave sonotube in ground?

No, it’s not a problem to leave the Sonotube and its plastic “Square Foot” (like these) in the ground forever.

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.

How many bags of concrete do I need for a 10×20 slab?

A 60-pound bag yields. 017 cubic yards, and an 80-pound bag yields. 022 cubic yards. For a 10 x 10 slab, you would need 77 60-pound bags or 60 80-pound bags.

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

15 cubic feet for every 20 pounds of mix, so a 40-pound bag yields. 30 cubic feet, 60 pounds of concrete mix yields. 45 cubic feet and an 80-pound bag yields. 60 cubic feet.

Is 2 feet deep enough for fence posts?

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The depth of the hole should be 1/3-1/2 the post height above ground (i.e., a 6-foot tall fence would require a hole depth of at least 2 feet).

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How many bags of concrete do I need for a 6×6 post?

As I recall, a 60# bag of concrete is about. 5cf, so you’d need 3 bags per hole.

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.

Can you pour concrete directly on dirt?

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

How many bags of concrete can a mixer hold?

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

How many cubic feet is a 90 lb bag of concrete?

Each 90pound bag of QUIKRETE® Concrete Mix will yield approximately 0.675 cubic feet of mixed concrete.

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