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Building a multi-layered, partially buried domed structure with Ferrock

 The first layer is a Ferrock and glass mix troweled over steel wire mesh and rebar.

Then porous tubing is embedded to pump CO  into the inner core of the wall.

2

Six-inch thick courses of the Ferrock and glass mix are hand built up over the tubing.

A 14" thick layer of "ferro-adobe" is built up to add thermal resistance.

The final adobe layer with an iron-based Ferrock binder to give it more strength.

A layer of Polymiron with glass grit is troweled on for greater weather resistance.