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How much SS needles for 3:1:1:1 mix? How to spread out in mix?

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  • How much SS needles for 3:1:1:1 mix? How to spread out in mix?

    Hi everyone. I am planning on using the homebrew 3:1:1:1 mix. I have finally tracked down all of my materials! I am just wondering, say, if I use 3 shovels of sand, 1 shovel of cement, 1 shovel of lime and one of fireclay how many needles I should put into this per mixture? I have the recommended 10 kilos of needles for the size of dome I am making, but am unsure of how much I should disperse them throughout each round of mixing! Do you eyeball it until it seems like they are well distributed in the mixture?

  • #2
    2-4% of dry weight of mixture.
    Kindled with zeal and fired with passion.

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    • #3
      Originally posted by mefornaio
      SS Needles go in the DOME (if your casting it yourself) not in the mortar mix that holds the bricks together.
      I am making a dome with this mix

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      • #4
        What David Said. When I added them to my bagged mix I figured the percentage PER bag (aprox I didn't go crazy with precise grams) since your using a home brew its best to add them to each measured batch.

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