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Rotten Rock Blocks

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  • Rotten Rock Blocks

    I am looking for a source to buy a rotten rock sanding block from for my runabout bottoms. Does anybody have one they could pass on to me? I need one asap. Thanks.

    Jim Kirts

  • #2
    Darrell Sorensen has them. That is where I bought mine.
    bill b

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    • #3
      another source for "rotten stone"

      This same material is used by restaurants to clean grills, and can also usually be found at restaurant supply houses if you would have one close to you.

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      • #4
        Rotten rock block

        I have tried contacting Darrel but did not get an answer or a call back. Thanks to you also Bill. I will search your option also.

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        • #5
          Foam glass blocks

          The item you are looking for is made by Pittsburg-corning. It is used for cold storage wall and ceiling insulation. Industrial insulation distributors should be able to get it for you. I usually get 4" thick 24"x24" blocks. You will probably have to take a case of 6 or 8 pieces, but that is no problem as you will recoup all your money at the first race as they will sell quickly.

          Mitch

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          • #6
            Thank you Mitch.

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            • #7
              Mitch, Is it called Foamglas?

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              • #8
                I sold a piece to Lowell Schumaker last year. Get it from him and I will re sell him another piece

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                • #9
                  Is this the same thing as a stink block? I have something similar to what you are describing but it smells horrible. What is the point of it? do you rub it on the bottom of the boat?
                  Of all the things I've lost I miss my mind the most.

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                  • #10
                    Yes. It used as a sanding block to flatten the bottom of the runabout.

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                    • #11
                      Look at Insulation stores orLocal Companies

                      See above

                      Warbs
                      64*W

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                      • #12
                        A place sells them two miles from my house. More to come in a couple of hours.



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                        • #13
                          My sourse dried up, I hope Tim has found a new one.
                          Darrell

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                          • #14
                            That would be great Tim. Let me know. I have sent some inquiries to a few places, but have not heard anything back yet. Foamglas is what the material is called.

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                            • #15
                              The day got away from me. I will check my source first thing Wednesday morning.



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