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Quikrete 80 lb. Concrete Mix

The Quikrete 80 lb. Concrete Mix can be used building or repairing foundation walls, sidewalks, curbs, steps and ramps. For pouring concrete 2 in. thick or more, this concrete mix consists of a uniformly blended, properly proportioned mixture of stone, gravel, sand, and Portland cement.
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Customer questions and answers for Quikrete 80 lb. Concrete Mix

Question

How many 80 pound bag of cement is needed for a box 2ft x 5ft x 6inches deep

Asked by
Jayd
Dearborn
about 80 lb. Concrete Mix on
July 17, 2014
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answer 1
Asked by
QUIKRETEProductExpert
July 23, 2014
An 80 lb. bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet of concrete. For a box 2 ft x 5 ft x 0.5 ft (6 inches), approximately 5 cubic feet of concrete, or approximately 8 1/3 80 lb. bags of concrete mix will be required. Yields are approximate and will vary based upon waste, uneven sub-grade, etc.
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Question

Can I mix sand with quikrete to make a base for the gravel between the rocks in my new patio?

Asked by
calgirl
Whitney, NE
about 80 lb. Concrete Mix on
July 14, 2014
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answer 1
Asked by
Blueridge
Blacksburg, VA, USA
July 15, 2014
No. Quikrete is premixed at the right ratio of portland cement, sand and aggregate. Adding more sand would change the ratio to the point where you would not get "concrete".
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answer 2
Asked by
QUIKRETEProductExpert
July 16, 2014
The QUIKRETE® Concrete Mix is a preblended mixture of sand, rock, and cementitious materials. The addition of any materials beyond the specified water quantity will affect the properties of the mixture. This may not be the product that will best suit your needs, we recommend that you discuss your project with your local Home Depot representative at the Pro Desk or call QUIKRETE® directly.
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Question

How many 80 LB. bags do I need

Asked by
Cynon
about 80 lb. Concrete Mix on
July 11, 2014
Hi, I am setting cedar fence posts for a barbed wire fence.
My holes are 12in diameter and they are on average 4ft deep
My posts are 8in diameter and 9 feet long.
How many bags of 80 LB concrete mix do I need per hole?
Thank you
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answer 1
Asked by
QUIKRETEProductExpert
July 14, 2014
An 80 lb. bag of QUIKRETE® Concrete Mix yields approximately 0.6 cubic feet of concrete. A 12 in. Diameter x 4 ft. deep hole that has a post in it that has an 8 in. diameter going the full depth will require approximately 1.75 cubic feet of concrete, or approximately 3 80 lb. bags of Concrete Mix per hole. Yields are approximate and will vary based upon waste, uneven sub-grade, etc.
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answer 2
Asked by
Blueridge
Blacksburg, VA, USA
July 15, 2014
Assuming a 6" diameter post, you would need four bags per hole. However, your post may be larger and you would need less, or smaller and you would need more. Also, four feet of concrete is a massive amount, and you could probably get good results with two or three feet of concrete then a foot of two of tamped backfill dirt.
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Question

in 1 80 # bag of concrete mix, what is the volume of finish product ?

Asked by
cris
chicago
about 80 lb. Concrete Mix on
July 10, 2014
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answer 1
Asked by
QUIKRETEProductExpert
July 11, 2014
An 80 lb. bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet of concrete. Yields are approximate and will vary based upon waste, uneven sub-grade, etc.
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answer 2
Asked by
Blueridge
Blacksburg, VA, USA
July 15, 2014
An 80 pound bag yields approximately .6 cubic feet of product. A rough rule of thumb is that you need 150 pounds of concrete per cubic foot of your design. So, a walkway that is 4" thick, 4' wide and 8' long would be 18,432 cubic inches or 10.67 cubic feet, needing a rough estimate of 1,600 pounds of concrete.
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Question

poring 6 inch deep 22x16 foot slab how many bags?

Asked by
drew
mi, usa
about 80 lb. Concrete Mix on
July 8, 2014
just looking to see if this is even practical or I should just do a u-cart application. any help appreciated
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answer 1
Asked by
KenHDOC
Orange, Ca.
Home Improvement Profile: Other
July 10, 2014
Hi Drew, this requires 293 bags of 80 pound concrete mix. I would say not real practical. This would be way to much mixing.

It's not as much about the square foot as it is about the depth. However it would still take 198 bags of 80 pound concrete mix with a 4" depth. Hope that answered your question.
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answer 2
Asked by
QUIKRETEProductExpert
July 11, 2014
An 80 lb. bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet of concrete. A 22 ft x 16 ft area that is 0.5 ft (6 in.) deep will require approximately 176 cubic feet of concrete (~6.5 cubic yards), or approximately 294 80 lb. bags of Concrete Mix. Yields are approximate and will vary based upon waste, uneven sub-grade, etc.
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Question

Doing a 5 inch deep by 2 foot wide by 14 long piece of concrete how many 80 pound bags will I need ?

Asked by
Debra
Minneapolis MN
about 80 lb. Concrete Mix on
July 6, 2014
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answer 1
Asked by
QUIKRETEProductExpert
July 8, 2014
An 80 lb. bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet of concrete. A 2 ft x 14 ft area that is 0.417 ft (5 in.) deep will require approximately 11 2/3 cubic feet of concrete, or approximately 19 1/2 80 lb. bags of concrete mix. Yields are approximate and will vary based upon waste, uneven sub-grade, etc.
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Question

How many 80 pound bags of concrete will i need for 60 sq ft

Asked by
1980
about 80 lb. Concrete Mix on
June 28, 2014
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answer 1
Asked by
Blueridge
Blacksburg, VA, USA
June 29, 2014
Assuming a depth of 4", it would be about 34 bags.
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answer 2
Asked by
QUIKRETEProductExpert
July 2, 2014
An 80 lb. bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet. A standard slab is 0.34 ft. (4 inches) thick. For 60 square feet of a standard thickness slab, approximately 20.4 cubic feet of concrete, or approximately 34 80 lb. bags would be required. Yields are approximate and will vary based upon waste, uneven sub-grade, etc.
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Question

how many bags of 80lb

Asked by
Grirish
Michigan
about 80 lb. Concrete Mix on
June 24, 2014
I need to fill a 48 inch circle 2 inch deep. how many bags are needed?
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answer 1
Asked by
QUIKRETEProductExpert
June 24, 2014
An 80 lb bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet of concrete. A circle having a diameter of 48 inches (4 ft.) has a radius of 24 inches (2 ft.). A circle with this radius that is 2 inches (0.167 ft.) deep requires a volume of 3.14 x 2 ft. x 2 ft. x 0.167 ft. = approximately 2.1 cubic ft. to fill it, which would require approximately 3 ½ 80 lb. bags of concrete. Yields are approximate and will vary based upon waste, uneven sub-grade, etc.
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Question

how many 80lbs of quickette for a 66" X 66" X 4" thick

Asked by
metalman
edmond, ok
about 80 lb. Concrete Mix on
June 22, 2014
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answer 1
Asked by
Blueridge
Blacksburg, VA, USA
June 23, 2014
17 bags. Best to plan on 19.
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answer 2
Asked by
QUIKRETEProductExpert
June 23, 2014
An 80 lb. bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet of concrete. For a 5.5 ft. (66”) x 5.5 ft. (66”) x 0.34 ft. (4”) volume, approximately 10.3 cubic feet of concrete or approximately 17-18 80 lb. bags of concrete mix would be required. Yields are approximate and will vary based upon waste, uneven sub-grade, etc.
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Question

How many 80 lb bags does it take to fill a 12 inch by 36 inch tube?

Asked by
John
New Jersey
about 80 lb. Concrete Mix on
June 19, 2014
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answer 1
Asked by
QUIKRETEProductExpert
June 20, 2014
An 80 lb bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet of concrete. A cylindrical tube with a radius of 0.5 ft. (6 inches) that is 3 ft. (36 inches) tall has a volume of 3.14 x 0. 5 ft. x 0. 5 ft. x 3 ft. = approximately 2.4 cubic feet, which would require approximately 4 80 lb. bags of concrete to fill. Yields are approximate and will vary based upon waste, uneven sub-grade, etc.
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answer 2
Asked by
Blueridge
Blacksburg, VA, USA
June 29, 2014
Four bags.
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Question

what portion ofa cubic ft is an 80 lb bag?

Asked by
BigCal
Dallas, Tx
about 80 lb. Concrete Mix on
June 16, 2014
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answer 1
Asked by
QUIKRETEProductExpert
June 17, 2014
An 80 lb. bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet of concrete. Yields are approximate and will vary based upon waste, uneven sub-grade, etc.
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Question

How many 80 pound bag of concrete is needed to fill a 48 square feet form that is 2" deep?

Asked by
Backyard
Syracuse, New York
about 80 lb. Concrete Mix on
June 16, 2014
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answer 1
Asked by
QUIKRETEProductExpert
June 16, 2014
An 80 lb. bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet of concrete. For a 48 sq. ft. slab that is 0.167 ft. (2 inches) thick, approximately 8 cubic feet of concrete, or approximately 13-14 80 lb. bags of concrete mix would be required. Note that a standard slab is typically 0.34 ft. (4 inches) thick, which would require twice as much concrete. Yields are approximate and will vary based upon waste, uneven sub-grade, etc.
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answer 2
Asked by
Blueridge
Blacksburg, VA, USA
June 29, 2014
About 14 bags.
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Question

I'm needing to pour a 10ft x 10ft slab of concrete to build a shed on, approximately how many 80lbs bags of concrete do I need?

Asked by
jmack
about 80 lb. Concrete Mix on
June 15, 2014
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answer 1
Asked by
QUIKRETEProductExpert
June 16, 2014
An 80 lb. bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet of concrete. For a 10 ft. x 10 ft. slab that is 0.34 ft. (4 inches) thick, which is the standard thickness for a slab, approximately 34 cubic feet of concrete, or approximately 57 80 lb. bags of concrete mix would be required. Yields are approximate and will vary based upon waste, uneven sub-grade, etc. This product achieves a typical compressive strength of 4000 psi in 28 days. Please confirm that the strength of this product meets the shed manufacturer’s recommendations for the foundation strength as well as building code requirements.
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answer 2
Asked by
Blueridge
Blacksburg, VA, USA
June 29, 2014
For a four inch thick slab, that would be 56 bags.
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Question

For an area of 15' X 18' and 2 1/2" thick how many 80bl bags i will need?

Asked by
Brody
about 80 lb. Concrete Mix on
June 9, 2014
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answer 1
Asked by
QUIKRETEProductExpert
June 11, 2014
An 80 lb. bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet of concrete. For a 15 ft. x 18 ft. x 0.21 ft. (2 ½ in.) slab, approximately 57 cubic feet of concrete, or approximately 95 80 lb. bags will be needed. Note that a typical slab is 0.34 ft. (4 in.) thick. For a slab having the same area, but that is 0.34 ft. (4 in.) thick, approximately 92 cubic feet of concrete, or approximately 154 80 lb. bags would be needed. Yields are approximate and will vary based upon waste, uneven sub-grade, etc.
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answer 2
Asked by
KenHDOC
Orange, Ca.
Home Improvement Profile: Other
June 12, 2014
Hi Broady, rounded up you will need 94 bags of 80 pound concrete.
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Question

How many 80 lb bags of concrete will I need to patch an area of 5.5 x 5 x 3.5?

Asked by
BABS
Little Egg Harbor NJ
about 80 lb. Concrete Mix on
May 30, 2014
Thanks for your help, Barbara.
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answer 1
Asked by
QUIKRETEProductExpert
June 3, 2014
An 80 lb. bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet of concrete. If the area to be repaired is 5.5 ft x 5 ft and 3.5 inches (0.29 ft) thick , it would require approximately 8 cubic feet of concrete, or approximately 13-14 80 lb bags. Yields are approximate and will vary based upon waste, uneven sub-grade, etc.
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answer 2
Asked by
Blueridge
Blacksburg, VA, USA
June 29, 2014
Fourteen.
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Question

how many bags of concrete mix do i need to pour a 2ft x20ft x 4 inch slab?

Asked by
chip
about 80 lb. Concrete Mix on
May 21, 2014
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answer 1
Asked by
DesigningWoman
May 23, 2014
Hello chip and thank you for your question.

To pour a concrete slab that is 40 square feet to a depth of 4 inches, you will need 20 bags of the 80 pound concrete mix.

Best wishes on your project.
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answer 2
Asked by
QUIKRETEProductExpert
May 23, 2014
An 80 lb. bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet. A 2 ft x 20 ft x 0.34 ft (4 inch) slab will require approximately 13.6 cubic feet, or approximately 22 2/3 80 lb. bags. Yields are approximate and will vary based upon waste, uneven sub-grade, etc.
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Question

How many 80 lb bags will I need to fill a hole 24 inchs across by 3 ft deep?

Asked by
Gene
Marysville, Ohio
about 80 lb. Concrete Mix on
May 21, 2014
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answer 1
Asked by
Blueridge
Blacksburg, VA, USA
May 21, 2014
Assuming you don't put anything in the hole to take up space other than concrete, it would be 16 bags.
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answer 2
Asked by
QUIKRETEProductExpert
May 23, 2014
An 80 lb. bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet of concrete. A hole having a 2 foot (24 inch) diameter (or 1 foot radius) that is 3 feet deep will require approximately (1 ft x 1 ft x 3.14) x 3 ft = 9.4 cubic feet of concrete, or approximately 16 80 lb. bags of concrete mix. Be sure to mix the concrete with water before placing the material in the hole. Yields are approximate, and will vary based upon waste, uneven sub-grade, etc.
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Question

How many bags do I need for my project?

Asked by
ktwags
Berkley Mi
about 80 lb. Concrete Mix on
May 9, 2014
I have 32 posts each post is 72 Inches long. I am building an aluminum fence. How many bags do you think I will need?
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answer 1
Asked by
QUIKRETEProductExpert
May 12, 2014
It is important to note that the aluminum posts to be set in concrete must have a protective coating, as there is a well-documented reaction of aluminum to Portland cement (as contained in concrete) which will cause corrosion and subsequent expansion and destruction of the concrete. Most aluminum posts are galvanized or have a protective paint coating, but please be sure that this is the case with the posts you are using. QUIKRETE Concrete Mix must be blended with water before being placed. When placing fence posts, the depth of the post hole should be one-half of the above-ground post height, for example: For your posts with an overall height of 6 feet, 2 feet (24”) should be placed in the ground, with 4 feet above ground. The diameter of the hole should be approximately 3 times that of the posts. For holes with a 9” diameter that are 24” deep, and a 3” x 3” square post placed within, each hole will require approximately 1 ¼ 80 lb. bags of mixed QUIKRETE Concrete Mix #1101, for a total of approximately 40 80 lb bags for 32 posts. For holes with a 12” diameter that are 24” deep, and a 4” x 4” square post placed within, each hole will require approximately 2 ¼ 80 lb. bags of mixed QUIKRETE Concrete Mix #1101, for a total of approximately 72 80 lb bags for 32 posts. These are estimates, and will be affected by uneven hole dimensions, waste, etc.
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Question

How many bags or concrete 80 pounds do I need to feel up 23' x 6' x 4" deep

Asked by
Rey73
Rex ga
about 80 lb. Concrete Mix on
May 2, 2014
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answer 1
Asked by
QUIKRETEProductExpert
May 8, 2014
An 80 lb. bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet of concrete. To fill 23 ft x 6 ft x 0.34 ft (4 inch) would require approximately 47 cubic feet of concrete, or approximately 78 - 79 80 lb. bags of QUIKRETE Concrete Mix. Yields are approximate and will vary based upon waste, uneven sub-grade, etc.
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answer 2
Asked by
ChrisFixit
May 5, 2014
Hello Rey73,

You will need 78 bags of 80lb concrete to fill the area. When calculating concrete the first step is to figure out the square footage using the formula of "length x width", in this case it being 138sq ft.

Quikrete has a number of product calculators on their site which are of great use here: http://www.quikrete.com/Calculator/...

I hope this helps.

Cheers,
Chris
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Question

How much square feet does an 80 pound bag of concrete cover

Asked by
Albert
Pittsburgh, Pa
about 80 lb. Concrete Mix on
April 30, 2014
I have a 10 foot by 10 foot room that's gonna be 4 inches thick how many bags will I need
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answer 1
Asked by
QUIKRETEProductExpert
May 1, 2014
An 80 lb. bag of QUIKRETE Concrete Mix yields approximately 0.6 cubic feet of concrete. A 10 ft x 10 ft x 0.34 ft (4 in.) application will require approximately 34 cubic feet of concrete, or approximately 57 80 lb. bags of QUIKRETE Concrete Mix. Yields are approximate and will vary based upon waste, uneven sub-grade, etc.
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