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Customer questions and answers for
Quikrete 80 lb. Concrete Mix

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

Question

Can a cement walkway be curved?

Asked by
mtngrl821
about 80 lb. Concrete Mix on
June 23, 2015
I hired a landscaper to do some work in my backyard, including pouring two walkways. One walkway was to be slightly curved to match the existing landscaping already in place. The landscaper changed the curve to straight, saying that a curve would not work because the edge where the cement ends would be weak and prone to breakage. Was he correct?
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answer 1
Asked by
QUIKRETEProductExpert
June 23, 2015
It is possible to design and pour concrete that has curves rather than straight lines. 1/4" plywood, masonite, or lauan plywood are some of the materials that are often used as forms for curved concrete. Please call the QUIKRETE® Technical Center at 1-800-282-5828 if you would like to discuss further.
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Question

What can "ruin" cement?

Asked by
mtngrl821
about 80 lb. Concrete Mix on
June 23, 2015
I hired someone to pour two 12'x12' round concrete slabs in my backyard. When I checked on the guy's progress, I noticed that the cement for the first slab looked very rocky - not at all smooth. And he had come up short, so went to get more #Home Depot is 5 minutes from my house#. When the guy finally returned #3 hours later!# he told me that the product was defective #"had too much rock in it"#. But I think the problem was that he poured in the middle of the day in 100 degree heat, and then let it sit for 3 hours in the heat. The guy's "helper" kept the concrete wet while he was gone.
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answer 1
Asked by
QUIKRETEProductExpert
June 24, 2015
You are right - Pouring concrete in high heat requires special precautions. Proper planning before starting a concrete project can significantly improve placement characteristics and assure the quality and durability of the in-place concrete. There are multiple precautions that are typically considered when pouring a quality concrete slab in the heat – not all are absolute requirements, but should be considered given the particular circumstances of a job: Dampen the substrate and form work with cool water prior to concrete placement. Use cool mixing water to reduce initiate concrete temperatures. Store bags of QUIKRETE® Concrete Mix in a shaded area. Construct temporary wind-breaks to reduce wind velocity and sun-shades to reduce concrete temperatures. Consider placing concrete early or later in the day when ambient temperatures are cooler. Apply QUIKRETE® Acrylic Concrete Cure & Seal immediately after finishing procedures are completed to prevent surface moisture loss. Have plenty of help to allow for the reduced placement and finishing time of the concrete. Keeping material mixing and continually adding water can cause problems. Please call the QUIKRETE® Technical Center at 1-800-282-5828 if you would like to discuss further.
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Question

do you have the quickcrete with the brown river rock in it?

Asked by
tiger
about 80 lb. Concrete Mix on
June 22, 2015
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answer 1
Asked by
QUIKRETEProductExpert
June 22, 2015
The coarse aggregate which is used in the QUIKRETE® Concrete Mix will vary by region. Please check our website to find the QUIKRETE® location nearest to you for further assistance at http://www.quikrete.com/OnTheJob/Locations.asp.
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Question

how many bags for 2ft by 23ft by 2 inches deep

Asked by
peewee
houston
about 80 lb. Concrete Mix on
June 22, 2015
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answer 1
Asked by
QUIKRETEProductExpert
June 22, 2015
An 80 lb bag of QUIKRETE® Concrete Mix yields 0.6 cubic feet of concrete. For an application that is 2 ft x 23 ft x 0.167 ft (2 inch), 7 2/3 cubic feet of concrete, or 13 80 lb bags of concrete mix will be needed. A standard slab is typically 0.33 ft (4 inch) thick, which would require twice as much concrete. Yields will vary based upon waste, uneven subgrade, etc.
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Question

how many 80lb bags of concrete do i need for a hole 40"x28"x24"

Asked by
BigAl
rushford,ny
about 80 lb. Concrete Mix on
June 21, 2015
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answer 1
Asked by
QUIKRETEProductExpert
June 22, 2015
An 80 lb bag of QUIKRETE® Concrete Mix yields 0.6 cubic feet of concrete. For a hole that is 40 inch x 28 inch x 24 inch, 15 1/2 cubic feet of concrete, or 26 80 lb bags of concrete mix will be needed. Yields will vary based upon waste, uneven subgrade, etc.
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Question

38'x12"x12"deep please help

Asked by
alex
about 80 lb. Concrete Mix on
June 21, 2015
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answer 1
Asked by
QUIKRETEProductExpert
June 22, 2015
An 80 lb bag of QUIKRETE® Concrete Mix yields 0.6 cubic feet of concrete. For an application that is 38 ft x 1 ft x 1 ft, 38 cubic feet of concrete, or 63 – 67 80 lb bags of concrete mix will be needed. Yields will vary based upon waste, uneven subgrade, etc.
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Question

how many 80lb bags do i need for a 35'x4'x2" trench

Asked by
cm20
about 80 lb. Concrete Mix on
June 16, 2015
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answer 1
Asked by
QUIKRETEProductExpert
June 18, 2015
An 80 lb bag of QUIKRETE® Concrete Mix yields 0.6 cubic feet of concrete. To fill a trench that is 34 ft x 4 ft x 0.167 ft (2 in) will require 23 1/3 cubic feet of concrete, or 39 80 lb bags. Yields will vary based upon waste, uneven subgrade, etc. If the subgrade is dirt, you will need to ensure that it is tamped down adequately to prevent future settling, or the concrete used to fill the trench could ultimately settle with it, and potentially crack. Greater than 2 inch layer of compacted gravel underneath the concrete is standard for slabs to stabilize the base, although that does not seem possible for your application. Please check any local building codes to ensure that your project is compliant. If you want to discuss your project in further detail, please contact the QUIKRETE® Technical Center at 1-800-282-5828.
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Question

how many bags are needed for a 20ft L X 4ft D x 1ft W

Asked by
pete
about 80 lb. Concrete Mix on
June 13, 2015
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answer 1
Asked by
QUIKRETEProductExpert
June 15, 2015
An 80 lb bag of QUIKRETE® Concrete Mix yields 0.6 cubic feet of concrete. An application that is 20 ft x 4 ft x 1 ft will require 80 cubic feet of concrete, or 133-134 80 lb bags of Concrete Mix. Yields will vary based upon waste, uneven subgrade, etc.
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Question

can i use this mix for a propane tank landing for the house i live in?

Asked by
tuggboat
coventry, ri
about 80 lb. Concrete Mix on
June 11, 2015
if not....what is the right type for this use?
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answer 1
Asked by
QUIKRETEProductExpert
June 12, 2015
QUIKRETE® Concrete Mix #1101 exceeds the compressive strength requirements for normal strength concrete as described in ASTM C 387. When tested under standard laboratory conditions in accordance with that specification, it will achieve or exceed a compressive strength of 2,500 PSI in 7 days and 3,500 PSI in 28 days, with a typical 28 day value being 4,000 PSI. Please check local building codes to ensure that the product strength, and other project design criteria for your propane tank landing, are compliant. Please contact the QUIKRETE® Technical Center at 1-800-282-5828 if you have further questions.
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Question

im pouring 4 slabs 18in.x6ft.x3 1/2in. how many bags of quikrete do i need?

Asked by
1333
q ,illinois
about 80 lb. Concrete Mix on
June 8, 2015
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answer 1
Asked by
QUIKRETEProductExpert
June 9, 2015
An 80 lb bag of QUIKRETE® Concrete Mix yields 0.6 cubic feet of concrete. For each slab that is 1.5 ft (18 in) x 6 ft x 0.29 ft (3.5 inches) thick, 2.6 cubic feet of concrete would be needed. For 4 of these slabs, 10.5 cubic feet of concrete, or 17-18 80 lb bags would be needed. Standard slabs are typically 0.33 ft (4 inches) thick, which would require 3 cubic feet per slab. For 4 of these, 12 cubic feet, or 20 80 lb bags would be needed. Yields will vary based upon waste, uneven subgrade, etc.
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Question

how many 80 pound bags needed to fill a 60 sq ft area

Asked by
Depp
Detroit, MI
about 80 lb. Concrete Mix on
May 26, 2015
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answer 1
Asked by
QUIKRETEProductExpert
May 27, 2015
An 80 lb bag of QUIKRETE® Concrete Mix yields 0.6 cubic feet of concrete. A typical slab is 0.33 ft (4 inches) thick. For an area of 60 square feet that is 0.33 feet thick, 20 cubic feet of concrete, or 33 80 lb bags would be needed. Yields will vary based upon waste, uneven subgrade, etc.
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Question

I am making a small patio that is 6ft x16 ft 4in thick. How many 80lb bags will I need ?

Asked by
Brian
about 80 lb. Concrete Mix on
May 26, 2015
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answer 1
Asked by
QUIKRETEProductExpert
May 27, 2015
An 80 lb bag of QUIKRETE® Concrete Mix yields 0.6 cubic feet of concrete. For a patio that is 6 ft x 16 ft x 0.33 ft (4 inches), 32 cubic feet of concrete, or 53-54 80 lb bags will be needed. Yields will vary based upon waste, uneven subgrade, etc.
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Question

Can i use it this in a fire place?

Asked by
ghaazi
frisco
about 80 lb. Concrete Mix on
May 25, 2015
The fireplace can reach a temperature of more than 900 C or 1650 F
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answer 1
Asked by
CommunityAnswer
May 26, 2015
No, this concrete is not rated for use in a fireplace.
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answer 2
Asked by
QUIKRETEProductExpert
May 27, 2015
No, Portland cement, the base material out of which standard concretes are made, can degrade in temperatures as low as 200 degrees F. Because of this, products used within the firebox of a fireplace, or near high temperatures, should be made of refractory cement, which is designed to be able to withstand exposure to high temperatures, rather than Portland cement. Only if the material is being used on the fireplace façade, far enough away from the firebox that it will NOT be exposed to these high temperatures, can the QUIKRETE® Concrete Mix be used.
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Question

How much square footage will a 80lb bag of concrete mix cover at 3inches thickSamari

Asked by
Samari
Newark ohio
about 80 lb. Concrete Mix on
May 15, 2015
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answer 1
Asked by
QUIKRETEProductExpert
May 18, 2015
An 80 lb bag of QUIKRETE® Concrete Mix yields 0.6 cubic feet of concrete. For a thickness of 3”, it would approximately cover 2.4 square feet. Yields will vary based upon waste, uneven subgrade, etc.
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Question

how many bags of concrete mix will i need for a 4'wide by 25'long by3"deep

Asked by
madmic
fayetteville,Ga
about 80 lb. Concrete Mix on
May 10, 2015
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answer 1
Asked by
CommunityAnswer
May 10, 2015
It will take approximately 42 80-lb bags to cover 100 square feet to a depth of 3 inches.
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answer 2
Asked by
QUIKRETEProductExpert
May 11, 2015
An 80 lb bag of QUIKRETE Concrete Mix yields 0.6 cubic feet of concrete. An application that is 4 ft x 25 ft x 0.25 ft will require 25 cubic feet of concrete, or 42 80 lb bags. Note that a standard slab is 0.33 ft (4 inches), which would require 33-1/3 cubic feet, or 56 80 lb bags. Yields will vary based upon waste, uneven subgrade, etc.
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Question

How many bags are needed for 12" X 48" sonatube?

Asked by
AmHMS
Billerica, MA
about 80 lb. Concrete Mix on
May 5, 2015
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answer 1
Asked by
char
Chicago Illinois
May 5, 2015
Hello AmHMS,

You would need 4.375 -80lb bags or 7 - 50lb. bags of fast setting concrete.

Thanks for the inquiry.
Charlotte
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answer 2
Asked by
QUIKRETEProductExpert
May 6, 2015
An 80 lb bag of QUIKRETE Concrete Mix yields 0.6 cubic feet of concrete. A sonatube that is 12” in diameter and 48 inches long will require 3.14 cubic feet of concrete, or between 5 and 6 80 lb bags. Yields will vary based upon waste, compaction,etc.
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Question

How many 80# sacks of concrete mix for a cubic foot of wet concrete?

Asked by
mony
Oakland, CA
about 80 lb. Concrete Mix on
May 1, 2015
Project is all flatwork (4' thick pad).
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answer 1
Asked by
CommunityAnswer
May 1, 2015
You will need six 80 lb bags to make one cubic foot. Are you sure you don't mean a cubic yard. A cubic foot is a very small sized pad.
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answer 2
Asked by
QUIKRETEProductExpert
May 6, 2015
An 80 lb bag of QUIKRETE Concrete Mix yields 0.6 cubic feet of concrete. Therefore, 1-2/3 80 lb bags would be needed for a cubic foot of concrete. Yields will vary based upon waste, uneven subgrade, etc.
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Question

How many bags of quikrete to pour a slab 50"x30"x6"?

Asked by
Sqak
about 80 lb. Concrete Mix on
April 28, 2015
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answer 1
Asked by
CommunityAnswer
April 29, 2015
It will take approximately 1125 80-lb bags to cover a 1500 square foot area to a depth of 6 inches.
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answer 2
Asked by
QUIKRETEProductExpert
April 30, 2015
An 80 lb bag of QUIKRETE Concrete Mix yields 0.6 cubic feet of concrete. A slab that is 50 in x 30 in x 6 in will require 5.2 cubic feet of concrete, or 8.7 80 lb bags. Yields will vary based upon waste, uneven subgrade, etc.
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Question

how many 80 lbs bags of quickcrete would it take for a sidewalk 50ft long by 4 ft wide?

Asked by
22156264
govenuerny
about 80 lb. Concrete Mix on
April 20, 2015
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answer 1
Asked by
QUIKRETEProductExpert
April 21, 2015
An 80 lb bag of QUIKRETE Concrete Mix yields 0.6 cubic feet of concrete. The quantity required for a sidewalk 50 ft long x 4 ft wide will depend upon the thickness used. For a 4 inch thick application, which is typical for a slab, the project will require 66 2/3 cubic feet of concrete, or 111-112 80 lb bags. Yields will vary based upon waste, uneven subgrade, etc.
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Question

i have 2.5 deep hole to fill how much concrete to fill

Asked by
andy
palatine illinois
about 80 lb. Concrete Mix on
April 19, 2015
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answer 1
Asked by
QUIKRETEProductExpert
April 20, 2015
An 80 lb bag of QUIKRETE Concrete Mix yields 0.6 cubic feet of concrete. The number of bags needed to fill the 2.5 foot deep hole will depend upon the diameter of the hole. If it is 1 foot in diameter, for example, it would require 2 cubic feet of concrete, or 3.3 80 lb bags. If it is 1.5 feet in diameter, it would require 4.4 cubic feet of concrete, or 7.4 80 lb bags. Yields will vary based upon waste, uneven subgrade, etc. If you need to discuss further, please call the QUIKRETE Technical Center at 1-800-282-5828.
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