DIY Low Cost Insulated Earthbag Scoria Blocks

Large, homemade, insulating blocks can be aligned with a simple rotating arm.
Large, homemade, insulating blocks can be aligned with a simple rotating arm.

I realized it would be easy to make giant earthbag scoria blocks with raschel mesh bags, scoria (lightweight lava rock) and quick setting cement mortar or glue. The basic block making process involves forming the scoria blocks in simple wooden forms and then curing in the shade. The dome is built using standard brick dome building methods that brick masons already know or knowledge can be readily found on the Internet and in books.

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Underground dome house stays warm in Omaha winters


Rebecca Weitzel and Jeff Waschkowski live in a buried home in Omaha, Nebraska and while winters temperatures can hit negative 30 degrees (record lows), inside the home is affected by the temperature of the earth, not the air, and mostly fluctuates between 64 and 74°F.

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Bamboo Domes in Vietnam

Bamboo Domes in Vietnam by Vo Trong Nghia Architects
Bamboo Domes in Vietnam by Vo Trong Nghia Architects

“Vo Trong Nghia Architects recently released new photos of eight bamboo domes rising on an islet on Saigon River in Vietnam. The completed structures comprise part of a multifunctional community center for the Diamond Island project, a series of large and small spaces for local residents to use as venues for various events and activities.

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Domes with Living Roofs and Geodesic Skylights

Underground dome home with living roof and greenhouse
Underground dome home with living roof and greenhouse

I’ve been very interested in underground dome homes with living roofs for many years after my dome building Instructable went viral. The other day I was watching a video about Hacking Aircrete that showed the dome home featured here. One side has a geodesic greenhouse and the other has a skylight.

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