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How To Build an Earth Block Home


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Reinforce the Blocks
Construction worker at Loreto Bay in Mexico

Steel rods and chicken wire reinforce the walls.

Photo © Jackie Craven
Compressed earth blocks (CEBs) are much stronger than concrete mason's blocks. The cured CEBs produced in Loreto Bay, Mexico have a load-bearing capacity of 1,500 PSI (pounds per square inch), according to Earth Block Operations Director Jim Hallock. This ranking far exceeds Uniform Building Code, Mexican Building Code, and HUD requirements.

However, CEBs are also thicker and heavier than concrete mason's blocks. Once the earth blocks have been plastered, these walls are sixteen inches thick. So, to conserve on square footage and to expedite the construction process, builders in Loreto Bay use lighter mason's blocks for the interior walls.

Steel rods extending through the mason's blocks provide added strength. The compressed earth blocks are wrapped with chicken wire and securely anchored to the interior walls.

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