| http://www.w3.org/ns/prov#value | - But at 3,450 square feet, costs for rammed earth were prohibitive due to the volume and complexity of the house, with its high ceilings, parapets, and intricate architecture.A member of my design team introduced me to lava concrete (LC), a lightweight cast-in-place concrete made from volcanic cinder sand, very abundant in Arizona and other parts of the world.
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