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50 lb. Fast Set Concrete Mix

  • If you're interested in buying a pallet, purchase 56 bags
  • For setting posts or concrete slabs over 2 in. thick
  • 30 minute set; foot traffic in as little as six hours
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Product Overview

Get the concrete you need quickly with this fast-set concrete mix. Great for walkways, driveways and ramps, you can set posts or concrete slabs over 2 in. thick. It sets in only 30 minutes, allowing foot traffic in less than six hours.

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current product
50 lb. Fast Set Concrete Mix
BrandQuikreteQuikreteQuikreteSAKRETE
Name80 lb. Concrete Mix50 lb. Fast-Setting Concrete Mix10 lb. Quick-Setting Cement Concrete Mix50 lb. Fast Set Concrete Mix
Price
$517
Buy 42 or more $4.65
$597
Buy 64 or more $5.37
$897
Ratings
(4323)
(1851)
(1201)
(1035)
Product Weight (lb.)80 lb50 lb10 lb50 lb
Concrete Mix TypeReady MixRapid Setting Rapid Setting
Use LocationFloorFloorFloorFloor
MaterialConcreteConcreteCementConcrete
Compression Strength (psi)4000400060004000
Max. Set Time (Hours)72.00 h2.00 h2.00 h48.0 h
Min. Cure Time (Days)7173
Min. Set Time (Hours)24.0 h1.0 h1.0 h6.0 h
FeaturesAll PurposeFast SettingFast SettingFast Setting
Max. Cure Time (Days)28282828
View ProductView ProductView ProductView Product

Specifications

Dimensions

Coverage Area (cu. ft.)0.38Product Depth (in.)17
Product Height (in.)4.5Product Length (in.)14

Details

Color FamilyGrayColor/FinishGray
Compression Strength (psi)4000Concrete Mix TypeRapid Setting
FeaturesFast SettingMaterialConcrete
Max. Cure Time (Days)28Max. Set Time (Hours)48.0 h
Min. Cure Time (Days)3Min. Set Time (Hours)6.0 h
Product Weight (lb.)50 lbUse LocationFloor
Working Time (min.)15

Warranty / Certifications

Manufacturer Warrantyn/a

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
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  • What are the dimensions of the product?

Customer Reviews

  • 4.7
    out of 1,036 reviews
  • 94%recommend this product
Filter by:
Showing 1-10 of 1,036 reviews
Concretr
I used it for setting a flagpole and a new mailbox pole. It did exactly what concrete is supposed to do, It set fast and it set Hard!!
by
  • Verified Purchase
  • Recommended
Reliable quick solution
Reliable quick solution for setting posts
by
  • Verified Purchase
Easy to use and quick set, does hair line crack !!
All started easy simple and looks good, but after couple day the concrete itself start appear hair line cracks. (I patch it with caulk) Follow instruction of the water ratio for mixup, pour into a 10” tub for 4x4 post.
by
    • Recommended
    1 found this review helpful
    Gets the job done. Easy to follow instructions.
    Sets up nice and quick
    by
    • Verified Purchase
    • Recommended
    I needed it to set a umbrella clothes line in a big container so I could have it on my upstairs d...
    I needed it to set a umbrella clothes line in a big container so I could have it on my upstairs deck. I was a little confused on how much water to use. I like to have instructions like so may quarts water to bag. But it was not that clear. I called the company and a associate told me exactly how much water for a bag. I had 3 bags worked great. PS I'm a 70 year old woman. If I can use it anyone can. Only needed nephew to carry bags upstairs.
    by
    • Verified Purchase
    • Recommended
    3 found this review helpful
    This concrete is great for setting post-holes; I needed something that was easy to mix and set qu...
    This concrete is great for setting post-holes; I needed something that was easy to mix and set quickly. It is also very strong when it cures. Once mixed with water, the concrete sets in about 30 minutes. I used this concrete when the ground and air were in the mid-40 degree range so I had a little extra time before it set. If it is warmer, you will have less time. You can mix this concrete between 40 and 90 degrees and minimum thickness is 2" for strength. I dug my post holes with an 8" auger (8" wide hole) and, with the post inserted, found I needed one 50 lbs bag per foot in depth of the hole. Most holes were 2 feet deep and needed 2 bags per hole. This mix can also be used for footings, concrete repair and slabs/sidewalks. I also like the 50 lbs. weight of the bag, it is much more manageable to carry around than an 80 lbs. bag. Mixing is easy, I set and braced my post all plumb, filled the hole with 1/3 water (I used warm water since it was cold out) then I poured in mix until the water rose the top of the hole. I then used a thin piece of scrap wood and pushed it through the mix until water was absorbed. I then added more concrete and mixed until the hole was full. The only problem I ran into was as the hole filled, the last few inches were hard to mix as water was pouring away from the hole. I had to add a little concrete and water until it was mixed right. I then used a trowel to slope the concrete up towards the post on all four sides (so water doesn't puddle around the post and rot it faster). Within 30 minutes after I finished, the mix was hard. I then placed a trash bag around the concrete to aid in curing and help keep it warm as night time temps dropped below freezing. I then waited 24-48 hours to put the fence on. Of note, since it reached freezing at night, I kept my concrete bags inside where it was warm which helps aid in curing.
    by
    • DIY
    • Recommended
    3 found this review helpful
    Price is right - gives you enough work time before...
    Price is right - gives you enough work time before setting - I usually add cement - nice finish - occasional bag w clumps but usually fine
    by
    • Verified Purchase
    1 found this review helpful
    very nice to handle and is very fast to set, yes i will buy it again
    very nice to handle and is very fast to set, yes i will buy it again
    by
    • Verified Purchase
    • Recommended
    2 found this review helpful
    I used this to set our mailbox, it worked great and was easier to use than I expected!
    I used this to set our mailbox, it worked great and was easier to use than I expected!
    by
    • Verified Purchase
    • Recommended
    1 found this review helpful
    Used it to set fence posts. It worked great.
    Used it to set fence posts. It worked great.
    by
    • Verified Purchase
    • Recommended
    2 found this review helpful
    Showing 1-10 of 1,036 reviews