DIY concrete weights

Anyone have experience making their own concrete weights? Any problems?

Googling it I see people fudding about how it "isn't worth it" but spending 600$ on worthless dead weight doesn't seem "worth it" to me. Also "just get some used weights off craigslist" -- I've been checking and there are very rarely any craigslist deals on these in my area, and when there are listing they are 300$+, and even then they are snapped up within a few hours.

  1. 6 months ago
    Anonymous

    I made a pair of 50 pound concrete plated with one of those molds during the coronavirus gym shutdown. They suck.

    • 6 months ago
      Anonymous

      How do they suck?

      • 6 months ago
        Anonymous

        >rarely equal weight
        >concrete dust when hitting floor/banging in barbell

        • 6 months ago
          Anonymous

          >unequal weights
          just shave them down or cut symmetrical lines into the plates until they are equal
          >dust
          add a coating
          >can’t drop it
          then don’t fucking drop it

        • 6 months ago
          Anonymous

          Nobody told you to bang up the weights, that's on you fucking retard.

          • 6 months ago
            Anonymous

            >squat 4pl8
            >failure.exe
            >barbell smash to pins
            >pl8s crack

    • 6 months ago
      Anonymous

      How long does it take?

  2. 6 months ago
    Anonymous

    >Any problems?
    Mine broke in half. Use something better than PVC for the bar

  3. 6 months ago
    Anonymous

    Drop test them

  4. 6 months ago
    Anonymous

    Wouldn't the concrete be so brittle that it would crack after a while (especially if the concrete didn't set right)?

    • 6 months ago
      Anonymous

      Wire mesh for reinforcement, plus you can coat it after to protect it when you're dropping it

  5. 6 months ago
    Anonymous

    Broke bro alert! broke bro alert! broke bro alert! Broke bro alert! broke bro alert! broke bro alert! Broke bro alert! broke bro alert! broke bro alert! Broke bro alert! broke bro alert! broke bro alert! Broke bro alert! broke bro alert! broke bro alert! Broke bro alert! broke bro alert! broke bro alert! Broke bro alert! broke bro alert! broke bro alert! Broke bro alert! broke bro alert! broke bro alert!

    • 6 months ago
      Anonymous

      yep thanks biden

  6. 6 months ago
    Anonymous

    Why would you make them out of concrete? A 20kg concrete "plate" would be heavier than an iron one.

    • 6 months ago
      Anonymous

      What's heavier - 20kg of concrete, or 20kg of iron?

      That's right - it's concrete, because concrete is heavier than iron.

      • 6 months ago
        Anonymous

        [...]
        I bet you think 1/2/3/4 is relevant

        > 20kg > 20kg

        my sides

        The concrete plates in the pic look heavier than iron plates

        • 6 months ago
          Anonymous

          Your perception is completely wrong

      • 6 months ago
        Anonymous

        I like you. Don't go to school tomorrow.

      • 6 months ago
        Anonymous

        based retard.

    • 6 months ago
      Anonymous

      > 20kg > 20kg

      my sides

    • 6 months ago
      Anonymous

      >A 20kg concrete "plate" would be heavier than an iron one

    • 6 months ago
      Anonymous

      There's no way you're this dumb

  7. 6 months ago
    Anonymous

    I thought about making some to leave outside at my deer cabin so I could still get gainz while shooting free protein. I finished concrete for a few years after high school and did QC for several years after that, so I feel like I could make some nice ones with consistent weight since I could factor in the water loss. I bet with a decent water to cement ratio and some fiber they could handle being dropped on the dirt without breaking as long as I coated them. Fuck it I'm going for it. The worst that could happen is that I'm out ~$20 in quickrete.

  8. 6 months ago
    Anonymous

    1) I think steel would be better for the whole than PVC. Significantly less brittle and not affected by the curing reaction of concrete.
    2) you want a wire mesh and maybe even some rebar in the weights. The weights being dropped will introduce a significant tensile force through the plate, and concrete does not perform at all in tension.
    3) get a rubber sealant to coat the plates in. Like a tub of flex-seal or whatever else you see in the hardware store. This will add a better outer tensile coating and prevent chipping and aerating off the concrete.

    These all add up in costs, especially with tools. Like the rebar bender and grinder for the metal whole are tools you might not already have (you should already have wire cutters for the mesh). And the plates will still break early. Meanwhile, your local used sporting gear shop has iron/steel plates that won’t break easily and cost $1-$2/lb, and it’s easier and faster than making your own plates (concrete takes 28 days for the full strength cure before you put on the rubber coat, which also needs to cure). The time investment is where the really-not-worth-it nature of making your own plates comes in.

    • 6 months ago
      Anonymous

      >local used sporting gear shop

      This isn't something that exists anywhere. Also 2$ per lb is more than full price, just buy retail new at that point.

      Also everyone keeps bringing up "they'll break if you drop them so please please spend a thousand bucks on a brand new weight set". You guys realize that not everyone fucking dumps their bar when deadlifting like a fagboy right? Even if I did most of the time these things are going in the cage anyway. So if I want to start dropping the bar I can just make a set specifically for that while having a main set in the cage which I won't be a retard with.

      So no, you don't need to spend a bunch amount on your gay upgrades. Literally just pour the concrete in the mold and it will last forever, unless you specifically have the niche requirement of needing to drop your weights. And if you do it's like 10$ per pair of 45's so who gives a fuck.

  9. 6 months ago
    Anonymous

    It's very easy to make, takes an hour or so to make a batch. The people that say it isnt worth it to make some, are redditors who love to spend all their money on overpriced shit. Sick consumer minds.

    If you really wanna go the cheap way use the following stuff:
    - Fast setting concrete
    - Some reinforcement material, such as rebar
    - 2 wide buckets, ideally low as well to use as a mold
    - 1 big bucket or some kind of tub to mix the concrete in
    - a bathroom scale you are willing to clean or to use for dirty stuff from now on
    - a little scooping tool to mix the concrete etc
    - water (amount according to the instructions on the concrete)
    - PVC pipe to act as sleeve for the bars
    - sprayable rubber/rubber paint spray to avoid the plates from dusting/chipping
    - sillicone spray to spray into the bucket, to get the plates out

    This will prob cost you around 50 bucks for the first batch. Maybe some more due to inflation. Batches after that will be cheaper cuz you wont have to rebuy the buckets and the sprays for a long time

  10. 6 months ago
    Anonymous

    I've succesfully done 200kg for around 30 bucks (eupoor)

    Needed for 1 plate:
    2 Chicken net squares same area as the circle
    Take random concrete
    And sand
    Mix 3:1 sand to cement
    Take a rod 10mm kinda, bend it in a circle

    Mix sand and concrete, pour a quarter in the mold*

    Put the square chiken net in
    Pour another quarter in
    Put the circle rod
    Pour another quarter in
    Put the net square chicken net

    Let dry for 3 days, more if needed
    Now go on youtube and search how to diy concrete plates, and just watch how to make the mold, I'm too lazy to type it out

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