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Cob & Natural Building School

1.5k members • $10/month

5 contributions to Cob & Natural Building School
Register Now - 2026 Cob & Straw Workshops Open!
I'm happy to announce my upcoming Spring & Summer 2026 Cob & Straw Building Workshops are open for registration. Come and join me in beautiful eastern Tennessee for our next Introduction to Cob and Straw Workshop! We will be constructing both a cob building and a straw-clay building, and pouring an earthen floor! These workshops are perfect for beginners and experts alike! You will get the expert knowledge to build with cob and straw! Either for small-scale structures or large-scale projects like homes and buildings. Please click the link below to get the schedule and class details. Click Here for Schedule and Workshop Details I have NOT raised class prices, and I've added even more great benefits to the classes. So, you can still enjoy the low pricing and incredible value ratio! I look forward to meeting more of you here in 2026! Alex
Register Now - 2026 Cob & Straw Workshops Open!
1 like • 21h
I am interested in coming over there next year for sure. I’ll m not f at away I’m on the upper Cumberland plateau here in Tn. You inspired me to build my own strawbale house. Learned so much from the class I had with you looking forward to another one. Looking to build a few smaller ones for people to come stay in and what you got going on is perfect. Definitely need some ideas and help with a round door for a hobbit house. The earthen floor is a must learn for me also. 90% of our floor did great but the high traffic areas are having a hard time. Can’t wait to get out there and learn some more. Knowledge is the key and you have an abundance amount of it.
1 like • 5h
@Alex Sumerall sounds awesome my dude thank you. You are welcome. I will let you know what week I’m thinking for sure.
Rammed Earth Shower 🚿 progress being made!
Yesterday, I poured the floor on my new rammed earth outdoor shower. I'm happy to say, this luxurious shower will be available for workshop students starting in April! Yesterday, I also received the 2000 bricks that I'll be using to construct the stem wall for the massive cob wall we'll be constructing at our upcoming hands-on workshops. Check out the class schedule here: https://www.thiscobhouse.com/cob-workshops/ What do you think of the new shower so far?
Rammed Earth Shower 🚿 progress being made!
3 likes • Feb 27
This is gonna be awesome
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?
5 likes • Feb 21
Timber frame house. I did straw bale walls in our timber frame house for insulation. Running all the electrical in the straw bales wasn’t to bad either. I’d be interested in how to run the electrical in cob and in slip walls or do you keep it on the exterior or put everything in the floor? I’m gonna be building a small hobbit house this year and wanna do cob or slip leaning more towards slip for the insulation. Would love to see the design process.
3 likes • Feb 22
@Alex Sumerall that is awesome. Thank you for the info. Def seems like that would be way easier.
2025 Virtual Cob Workshops
I know that most people can't travel to attend a workshop. Let me know, who would be interested in seeing my classes live via Zoom, and recorded for watching later? I need some feedback so I can start putting this together. Thanks!
2025 Virtual Cob Workshops
3 likes • Feb 6
I would definitely get into that
New Straw-Clay House - Photos I took yesterday.
Here are some photos of Christof's new straw-clay house that I took yesterday. We began this project in late 2023, and they're about to move in. This project cost them only $40,000 for this beautiful 384 sq ft house. (It also has a loft to expand square footage). Let me know if you have any questions about this building.
New Straw-Clay House - Photos I took yesterday.
4 likes • Feb 6
This looks incredible.
1-5 of 5
Ronald Orlowski
3
45points to level up
@ronald-orlowski-8944
Hello I’m Ron I live in Hilham Tn I fell in love with earthen building after one of Alex’s class. Bought land in tn and building a straw bale house.

Active 2h ago
Joined Feb 1, 2025
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