Below Grade Earthbag Domes

Many people want to build below grade earthbag domes like these.
Many people want to build below grade earthbag domes like these.

Email from a reader: Hello, I am trying to put together a design for an earthbag dome built into a hill in New York, and for a few reasons, I would like to have some of it underground. Actually, there are two adjacent domes, one with a diameter and height of 14′, and the other 8′. The frost line here is at least 48″, and I’ll probably go down further.

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Flexible Form Rammed Earth Construction (Earthbag Construction) Part 1


Very good video about building earthbag domes that shows half a dozen or so innovative ideas I haven’t seen before. I can’t think of another video or project where I’ve seen so many new interesting building tips. So hat’s off to The Roundtable that’s building these domes in Uganda.

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Earthbag Dome Home in Hungary

Earthbag dome home in Hungary
Earthbag dome home in Hungary

“Hello Owen, As you can see finally my first alone project has finished, hoorraayy!!. I want to say thank you for your guidance at the beginning and also I wanted to tell you that your book sometimes gave me that little help too because to reflect my knowledge and to see the things again in your book gave me a real help in times when I was not sure anymore what to do, not because I don’t know the things, because when my fear is coming up that I maybe can’t make it because it’s my first project with nobody around me who knows something about earthbag. So this was a quite heavy pressure for me because the people expected much and my building group knew nothing. In those moments your book was a real help because it was like talking with somebody who knows…

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Thermal Performance Data on an Earthbag Dome

Awhile ago, I wrote to you asking if you had any recommendations for stabilizing our 14′ (inner diameter) scoria dome tank house which had started to fail as a result of the bags breaking down. I wanted to give you an update.

Beldar
We paid a crew last November to shotcrete it inside and out, and it is performing very well. I just wish I knew whether it was the mass of concrete or the insulation of the bags. Probably a combo. I am interested to see how it performs once the mass has heated up a bit this summer.

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Earthbag Rental Dome in Chihuahua, Mexico

Earthbag rental dome in Chihuahua, Mexico
Earthbag rental dome in Chihuahua, Mexico

Hi Owen,
There is an earthbag building at a hotel in northern Mexico. I travel near there every 3-4 months, so have been able to follow the progress. The last trip it seems to be finished on the exterior, so wanted to grab a photo for you.

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