found online:
| 1. Traditional | Dirt (Blended Soils), Barley Straw (for fibrous bonding) | Water Susceptible |
| 2. Semi Stabilized | Dirt (Blended Soils), Barley Straw and 4-5% Asphalt Emulsion | Water Proof |
| 3. Fully Stabilized | Dirt (Blended Soils), Barley Straw and 8-10% Asphalt Emulsion | Can be left exposed |
"For fully stabilized adobe bricks, add 6 to 12 percent asphalt emulsion or Portland cement by weight to your mix."
This sounds about right based on what I remember of my one experiment ten years ago. It might be a good starting place even though pc is certainly not adobe. It might be more applicable to padobe.
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