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Cob & Natural Building School

1.5k members • $10/month

12 contributions to Cob & Natural Building School
Cob Wall Cost Calculator
I have a brand new calculator app for you! It will calculate material and labor cost for your cob wall projects. Give a try! You can find the calculator on my website here: https://www.thiscobhouse.com/cob-wall-cost-calculator/ If you have any feedback or bug reports, please let me know!
Cob Wall Cost Calculator
1 like • 14d
@Alex Sumerall we have cooling tubes in our earthship. we used corroguated pipe, but i think others are now installing smooth ones. smooth would make tgem easier to vaccun if you ever needed to clean them. :)
I'm going to design a house for you - What do you want to see?
Hey guys, I had an idea for a new video where I'm going to record the screen of me designing a cob/natural home for you so you can see the process I go through. I want to hear some of your thoughts on what you'd like to see in a house design? - Size/square footage - Shape/rooms needed - Style - What climate it will be for? - Materials (timberframe, cob, hemp, etc) Let me know in the comments. Thanks!
I'm going to design a house for you - What do you want to see?
3 likes • Mar '25
@Alex Sumerall I really like the rammed earth wall you build for your shower. I have an interior wall that is by code a fire stop wall. It is 2x6 framing with each side 3/4” plywood. I was wondering if a thin rammed earth wall could be made on one of the plywood faces. It would mean that only the beautiful look would be visible on the inside of the room. Is this something that could be built?
New Video - How I built the rammed earth shower
I go through my design, building process, and rammed earth info. Let me know your questions and thoughts below!
2 likes • Mar '25
Alex, this is gorgeous. And thank you for the clear instructions and accompanying photos. 👏
One of my online students built this Cob House!
I've actually never shared these before, but one of my online students from a few years ago built her own beautiful cob house in Sri Lanka. She did an amazing job! What do you think?
3 likes • Mar '25
It’s lovely. The roof has interesting color tones that go well with the cob work. I can’t tell if the roof is clay tiles or metal. What is it made of and how were those colours achieved?
Preview - How I built the rammed earth outdoor shower wall.
Here's a preview video. I'll be putting together a full video with design, progress photos, and instruction soon. This is footage Tal took at last year's April workshop where we did the rammed earth mixing and tamping.
2 likes • Mar '25
It is beautiful Alex!
1-10 of 12
Susan Doig
3
38points to level up
@susan-doig-3476
Retired and building an Earthship in Qualicum Bay on Vancouver Island. Passionate about learning about natural building.

Active 8d ago
Joined Feb 7, 2025
Qualicum Bay, BC
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