Hi Spaceman:
Back in, I think it was 2002, on the other Yahoo group you responded to Charmaine Taylor's postings about using a clay - lime - paper - asphalt emulsion mix.
You were planning to make a couple test bricks.
Did you do that? I never saw the follow-up. (And I don't find it when I search the archives.) I did quite lurking in that group for about the last six years of the last decade so I may have just missed it and be failing to find it now.
I was planning to add a small amount of asphalt emulsion to my mix for increased binding power and water resistance. Do you advise against that?
Best,
ken
P.S. I think that discussion centered around trying to figure out the formula for what was once known as Rub-R-Slate. The precise formula apparently died with the substance's greatest promoter.
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