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50 lb. Fast-Setting Concrete Mix

  • Concrete Mix sets hard in just 20-40 minutes
  • Ideal for setting post with no mixing required
  • Easy to use by simply adding water
  • See More Details

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Product Overview

Quikrete 50 lb. Fast-Setting Concrete Mix is a special blend of fast-setting cements, sand and gravel. Designed to set hard in 20-40 minutes. Concrete sets posts without mixing.
  • Used to set mailbox posts, fence posts and lamp posts without mixing
  • Pour dry mix into hole and soak with water
  • Also use for building steps, sidewalks and slabs where rapid set time is required
  • Exceeds the requirements of ASTM C387
  • 4000 psi in 28 days
  • Each 50 lb. bag will yield approximately 0.375 cu. ft. of mixed concrete
  • Learn more about concrete and cement here in our Buying Guide
  • Note: product may vary by store



  • California residents

Info & Guides

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Specifications

Dimensions

Coverage Area (cu. ft.)
.37
Product Depth (in.)
10
Product Height (in.)
4
Product Length (in.)
17

Details

Color Family
Gray
Color/Finish
Gray
Compression Strength (psi)
4000
Concrete Mix Type
Rapid Setting
Features
Fast Setting
Material
Concrete
Max. Cure Time (Days)
28
Max. Set Time (Hours)
2.00 h
Min. Cure Time (Days)
1
Min. Set Time (Hours)
1.00 h
Product Weight (lb.)
50 lb
Use Location
Floor
Working Time (min.)
20.0

Warranty / Certifications

Manufacturer Warranty
See packaging

Questions & Answers

392Questions27Answers

How many Bags

Asked by Robert May 7, 2021
2
Answers

For a 4” post, your hole diameter should be 12”. For a standard 48” high installation, your hole depth should be 18” deep. To fill a 12” hole to a depth of 18” (minus the annular space of the post), you will need 1.04 cubic feet of concrete. Each 50 pound bag yields approximately 0.375 cubic feet, so you will need just a little under 3 bags.

Can i use this for a glag pole 20 foot tall ??

Asked by Ryan May 3, 2021
3
Answers

QUIKRETE Fast-Setting Concrete Mix is suitable for all applications requiring a rapid setting time and 4,000 psi once cured. For structural applications, we recommend pre-mixing the product with water prior to placement.

Can I use this concrete to strengthen wooden foundation pilings for a 700 square foot house? The ...

Asked by Rich April 25, 2021
1
Answer

Pilings can be reinforced with QUIKRETE® Fast-Setting Concrete Mix if the pilings are excavated to the frost line, a building tube form is placed around the piling, and the piling is back-filled. Fast-Setting Concrete Mix can then be placed in the building form around the piling.

can you drive on it after it sets up

Asked by chevyk1500 April 7, 2021
3
Answers

Quikrete has a variety of mix types. You may want to consider something more specific to the job. https://www.quikrete.com/ProductLines/Alphabetical.asp We've set posts with this type and it works great. It specifically identifies setting posts. If you were doing a driveway or something you are driving on a lot, you may want to consider something like the QUIKRETE® Crack Resistant Concrete Mix (No. 1006-80) is a 4000psi (27.5 MPa) blend of properly proportioned stone or gravel, sand, Portland cement, special synthetic fibers and other ingredients approved for use in concrete. The synthetic fibers eliminate the need for wire mesh in slab-on-grade construction. Exceeds the compressive strength requirements of ASTM C387. The manufacturer states it is used for: Use for: Structural and non-structural concrete over 2" (51mm) thick. Applications such as driveways, sidewalks, floor slabs, curbs, steps, ramps, walkways, poured walls and footings, tool shed bases, appliance and equipment bases.

how many bags do i need 1 1/2 yard

Asked by kince March 31, 2021
2
Answers

Each 50-pound bag of QUIRKETE® Fast-Setting Concrete Mix yields approximately 0.375 cubic feet. For a volume of a 1-1/2 cubic yards, you will need 40-1/2 cubic feet of concrete or 108 bags, of 50-pounds each. Yields will vary with waste, uneven subgrade, etc.

How many bags are on a pallet?

Asked by Dek March 31, 2021
1
Answer

There are typically 63 bags of QUIKRETE® Fast-Setting Concrete Mix per pallet. Please contact your local The Home Depot store for confirmation and for pricing.

How many bags do I need for 8 steel face line post?

Asked by Merc March 28, 2021
5
Answers

I don't know what a steel face line post is but one bag per hole should be good enough.

How many bags to put in a 8 ft post for a 6ft fence

Asked by Sam March 17, 2021
5
Answers

The number of bags required will depend on several dimensions – the hole depth and diameter, as well as the post size. We offer an online calculator at https://www.quikrete.com/calculator/main.asp#fast_setting or you may contact our customer service representatives online by LiveChat at www.quikrete.com or toll free at 800-282-5828 for assistance with your calculation.

When using to make minor repairs in a foundation, how long does it need to dry before coating the...

Asked by Justin March 13, 2021
2
Answers

QUIKRETE® Fast-Setting Concrete Mix will continue to cure and out-gas for 28 days after placement. Please consult the coating manufacturer for their recommendation regarding placement over fresh concrete.

Nominal temperature for quick setting

Asked by Curious February 4, 2021
3
Answers

Would recommend to use when above freezing

50 lb. Fast-Setting Concrete Mix - page 2

Customer Reviews

  • 4.7
    out of 1,572 reviews
  • 94% recommend this product
Filter by:
Showing 1-10 of 1,572 reviews
Quickset concrete mix
The yard has a bit of an incline, so I had to stack a row to get the proper level height. The concrete needs to be sifted to get pebbles,etc out. The key is to lightly mist the mix to begin the hardening process.. definitely would use again
by ElCuchillo
Works great. Good for post setting. Solid within an hour cures within 24 hours.
Works great. Good for post setting. Solid within an hour cures within 24 hours.
by Deckpro
2 people found this helpful
Product worked really well for setting fence posts. Easy to use and fast setting. No mixing just ...
Product worked really well for setting fence posts. Easy to use and fast setting. No mixing just pour and add water.
by Dave
1 person found this helpful
Easy to mix & quick drying. Made my project easier
Easy to mix & quick drying. Made my project easier
by Me
Very good product! We had to set fence posts around the patio. Made this much easier!
Very good product! We had to set fence posts around the patio. Made this much easier!
by ALLISON
1 person found this helpful
I used this to make stepping stones and compared it to the vinyl patch mix : both will work. The ...
I used this to make stepping stones and compared it to the vinyl patch mix : both will work. The Quickcrete provides a more natural, pebbly background . If you work fast, you can insert shells and mosaic pieces, but be ready with your materials because it hardens quickly! It's just a preference, but if you want a more rugged look, this is your medium and more slip proof as well. Just mix up what you are immediately going to use, and have a little extra mold ready in case you have extra left over. Have fun !
by Metro
1 person found this helpful
I love using Quikrete fast setting concrete mix because it does exactly what it says, sets up ext...
I love using Quikrete fast setting concrete mix because it does exactly what it says, sets up extremely fast. I can pour the Quikrete in the hole as is and pour in a little water on top, put my dirt in to fill the hole, wait a few minutes as a bag suggest and I’m ready to go. I use the Home Depot curbside pick up so getting the bags into the car was easy. I was able to set my 4 x 4 post and add my solar lights on top in a matter of minutes.
by UpNorthGirl
4 people found this helpful
I used it on a project in my garden. I did a flower bed and I used this product to hold the brick...
I used it on a project in my garden. I did a flower bed and I used this product to hold the bricks for the edging. It worked great!
by Julie
1 person found this helpful
You can bury a lot of stuff with it
You can bury a lot of stuff with it
by Cherished
2 people found this helpful
Worked perfectly for my no dig boarder! Used it to help keep weeds out of the flower bed and keep...
Worked perfectly for my no dig boarder! Used it to help keep weeds out of the flower bed and keep the stones in place.
by Whit
1 person found this helpful
Showing 1-10 of 1,572 reviews