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Quik- Crete

montanajoemontanajoe Forums Admins, Member, Moderator Posts: 57,465 ******

How many of what size bags of quikcrete will I need to fill 7- 8" x 8" x 8" ? Thanks


  • Kevin_LKevin_L Member Posts: 1,146 ✭✭✭✭
    edited September 13

    8" * 8" * 8" = 512 cubic inches. * 7 = 3584 cubic inches total

    512 cubic inches = .296 cubic feet. * 7 = 2.07 cubic feet total.

    A 50 pound bag of Quikrete yields about .375 cubic feet when mixed properly. Quikrete info courtesy of the Quickrete data sheet.

    You need 6 of the 50 pound bags and will have a little bit left over. 6 * .375 = 2.25 cubic feet

    "...the right of the people to keep and bear Arms, shall not be infringed." 🍺 🇺🇲 🍔

  • montanajoemontanajoe Forums Admins, Member, Moderator Posts: 57,465 ******
  • cbxjeffcbxjeff Member Posts: 17,254 ✭✭✭✭
    edited September 13

    I've used this to create 2 approaches to my shop overhead and one service doors. Be aware that they don't call this Quik for nothing!

    It's too late for me, save yourself.
  • MobuckMobuck Member Posts: 13,542 ✭✭✭✭

    ' Be aware that they don't call this Quik for nothing!'

    CORRECT Not great for much beyond a 'quick fix' or setting posts(and even then, it will disintegrate after 20-30 years).

    Does not have the strength for long term use where it may get driven on/run over.

  • BrookwoodBrookwood Member, Moderator Posts: 12,976 ******

    The bag that I bought of Quik Crete last year for a future project is totally set up hard as a rock sitting in my garage. 😁 I post this smiling face to show you all that I enjoy adding to my many experiences in my continuing education that gives me a Doctorate x 10 in the School of Hard Knocks!

  • forgemonkeyforgemonkey Member Posts: 964 ✭✭✭✭

    We used sugar to retard cement setting for down hole cementing by Halliburton.

    Very small amounts of sugar delays the hardening of concrete without influencing its strength or other properties once finally set. For example 0.05% by sugar weight of concrete will retard setting by a few hours, 

  • OakieOakie Member Posts: 40,518 ✭✭✭✭
    edited September 13

    Joe, are you going to use a mixer, or a hoe and a box??? We are getting older. LOL. The reason I asked is, if you rent or own a mixer, I found a little tip that helps. I spray the drum with WD 40 or wipe it with Crisco. Makes the concrete come out of the drum easier and makes clean up a whole lot easier. I did a couple of holes for the foundation to our deck, and it really wore me out mixing it by hand. I went to Harbor freight and bought their 179 dollar electric mixer. That saved me a ton and works like a charm. I loaned it out to a few neighbors and they loved it too. Good luck and hope this helps . Oakie

  • MobuckMobuck Member Posts: 13,542 ✭✭✭✭

    Hydraulic drive mixer on skidloader is way better than hoe and tub😀

  • Ditch-RunnerDitch-Runner Member Posts: 24,096 ✭✭✭✭

    I have used it in the past but never counted the bags I just kept mixing until I was done LOL .

    most unexpected use

    we had two of our dogs pass away in the coldest part of the winters about two years apart one a German Shepard the other was a rescue dog mostly lab

    I had x amount bags not even sure how many on hand of quick crete when I burred Betsy the rescue beloved pet I used like 7oo + pounds of it to fill in and over and around her in the grave

    I had dug the hole in the fall ( sad but we knew fighting tumors and cancer she would not make it as hard and as much as the vets tried )

    our big Shepard "Buddy" 140 pounds of gentle dog same he had some major issues and then heart failure so I had dug a hole as I knew winter was coming on we had the vet come to our house and put him down nothing we could do so again another 700 + pounds of cement on and around him as it was also the coldest days of thet winter.

    I keep thinking some time in the future if some one happens to dig in the spot what they will think but it was the best solution at the time

    as far as adding sugar when I worked construction a old fellow told me If I wanted to get even or tick off brick layers add sugar to the Morter it would not set up stopping there progress.

  • scooterdriverscooterdriver Member Posts: 1,104 ✭✭✭✭

    Always seems to take more than what the math says…recommend adding 20% just to make sure you’re not short at the critical moment.

  • NeoBlackdogNeoBlackdog Member Posts: 16,167 ✭✭✭✭

    Get yerself some MontyMud and save all that mixin'.

    Probably overkill for your project but sure would be handy for projects just a tad larger.

  • KenK/84BravoKenK/84Bravo Member Posts: 11,925 ✭✭✭✭

    My neighbor just had a truck load of Concrete delivered and poured, right across from my driveway, for an RV pad. (I saw the truck go by while on my back porch ystdy.)

    Got in my Jeep and went to go see about the firearm trade, I mentioned in the "Good Trade," thread.

    The idiot driver either backed in or pulled in to my driveway, that had two 4X4's (one on each side of my driveway) connected with a chain. Yep. Broke them both and left them laying there.

    Drove over to my neighbors house near me, to tell him what happened and that I expected him to fix/replace them. He said, "Yeah, I saw that." Then proceeded to show me where the same driver had to be stopped (by him) from backing in to his new (quite large) Metal Outbuilding/shop, when pouring a ramp at it's vehicle entrance.

    Big old deep Tire ruts everywhere, as we've been getting rain almost everyday for weeks. That's what 1st caught my eye as I was pulling out of my driveway. Saw the tire ruts right in to my driveway, ramming my chain and breaking my 4X4's.

    Excellent. 🤔🤕😠

    Extreme NE TN/W NC ya'll. 😁

  • toad67toad67 Member Posts: 13,004 ✭✭✭✭

    If you're just filling holes, I'd think that Sakcrete would be a better choice than Quikcrete. Sakcrete, is just regular old concrete in a sack, thus the name, and should work fine for filling holes, if you don't need it to set up quickly.

  • Merlinnv12Merlinnv12 Member Posts: 1,055 ✭✭✭✭
    edited September 15

    You are correct, Toad. There is a difference. I just finished pouring 3 12” sono tubes full of Sack Crete. It does set up more slowly than Quick Crete.

    “What we’ve got here, is, failure to communicate.”
  • dcon12dcon12 Member Posts: 31,881 ✭✭✭✭

    We never used sugar to slow down cement but did use calcium chloride to speed it up.......a bunch. ( I worked for Dowell) Don

  • Mr. PerfectMr. Perfect Member, Moderator Posts: 65,944 ******

    Yep, and assuming it's for fence posts I would just pour it in and then fill the hole with water.

    Some will die in hot pursuit
    And fiery auto crashes
    Some will die in hot pursuit
    While sifting through my ashes
    Some will fall in love with life
    And drink it from a fountain
    That is pouring like an avalanche
    Coming down the mountain
  • Ruger4meRuger4me Member, Moderator Posts: 3,118 ******

    Yep ^ that's how to do em @Mr. Perfect

  • forgemonkeyforgemonkey Member Posts: 964 ✭✭✭✭
    edited September 15

    Yeah, the only time we used calcium C. was for shallow holes ,,,,, most of the jobs I figured was 7-8,000+ feet TD. Deep down hole heat coupled with calcium C. could cause rapid setting of the cement., causing pumping problems, etc.

  • KenK/84BravoKenK/84Bravo Member Posts: 11,925 ✭✭✭✭

    Well, I guess he meant well. 🙄

    Got in my Jeep to go out somewhere today, and saw my posts back up, chain across the driveway. Broken yesterday, fixed today. 👍😁

    When I got out, I saw the same posts (that were set in concrete) had been reinserted about a foot lower and were no longer set in concrete. They were now about 6-8" down in dirt. They were also not placed correctly. The screw in eye bolts that were pointing at each other, across the driveway, were now facing out towards the road. The reflectors that I had on ea. 4X4 were now pointing in to the yard. (My driveway is on a sharp gravel road curve and I thought it prudent to have reflectors up.)

    I pulled in to my neighbor's property and asked if his teenage Son had fixed them. He replied "No, I did. Why?" I relayed what I had just seen. Told him, "I appreciate the effort, I guess I will fix them correctly."

    (And) Drove away.

    I guess you just can not fix Stupid.

    Extreme NE TN/W NC ya'll. 😁

  • NeoBlackdogNeoBlackdog Member Posts: 16,167 ✭✭✭✭
    edited September 15

    6" diameter concrete filled steel pipe set 4' deep, Ken. That'll show 'em.

    Or... They'll take it as a challenge and tear 'em up just for drill!

  • Bubba Jr.Bubba Jr. Member Posts: 8,130 ✭✭✭✭

    With the temperature swings in Montana, I would think that it would crumble into a pile of dust in less than a year.


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