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Lowest Cost Earthbag Building Methods — 3 Comments

  1. Hello, Please clarify – can you can skip the rubble trench entirely if you have rocky/gravelly soil and 5″ frost line? Thanks Jeff

    • That would be your judgement call based on the value of the structure. Is it worth the risk? If there’s a good bit of moisture in the ground it will freezes and expand and potentially crack your plaster. So again, these guidelines are for warm climates.

      • The property is located in West Texas, Chihuahua desert, 10″ annual rainfall mostly in summer with a caliche base. While it may be doable without trenches, sounds like it might be risky. I had thought of berming over insulation. Thanks Jeff

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