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Owned by Sir
I’m Sir Cobalot — natural builder for over 25 yrs🌱 Learn to build an affordable, sustainable, durable and beautiful Hobbit house, Sauna, oven & more!
Cob & Natural Building School
1.6k members • $10/month
263 contributions to Living Earth Structures
2 likes • 5d
Wow Martín! Super cool video, thanks for sharing! So great to see if from the start to finish like that. I see you used the wooden rounds around the bottom perimeter, certainly easier than gathering and placing a bunch of stones! Look forward to seeing what you plant on the roof!
0 likes • 5d
@Nina Larbalestrier perhaps I can help offer some clarity for you. What’s your question Nina?
7d •
Cob oven tutorial
Here I am explaining some of the process of building a basic Cob Oven. I know the other video I have showed the process of doing an oven using Adobe Bricks formed into the dome, but this one uses a sand mold and then puts the Cob mix over that. We used the oven last week and it works great. We will be putting a roof over it soon to protect it from the rains coming soon.
11d •
I made a floor
I decided to put in wood flooring. Here are some pictures of framing the floor, filled in the gaps with hay. I have a bunch of wood flooring, a friend gave me, that will cover about half of the floor, then I’ll get some more at the resource center, lots of people get rid of used leftover flooring. The panels are not always the same color, but that can look pretty cool as well.
0 likes • 7d
Looking great Martín, I’m liking the gap you have in between the pallets should make it very easy to put your Earthen plaster over. That’s cool that you’re doing a wooden floor. It’s a bit easier than a Cob floor or cement floor at this point. I don’t see the need for putting down a membrane. And response to Nina‘s comment about how if not putting a membrane down before you put the Cob the floral mold that’s not always necessarily the case if you have good drainage, diverting the water around the structure and have enough drain rock on the floor. You can do a Cob floor without putting a membrane down as long as the floor is completely dry before you apply the linseed oil and ensure that water never gets underneath the structure.
7d •
Cobbing and earthen plastering demo
Hey, I just thought I’d share with you a little clip showing how I’m using a cob mix as a finish plaster on exterior. When this coat is dry in a couple weeks, I will apply a clay paint with equal parts sifted Clay, very fine Sand and either flower paste or a plant-based cellulose as the binder. When this is all dry, I can either apply a linseed oil,, a fermented, nopal cactus juice or something called water glass, which is also known as sodium silicate. I’ve actually never used this before. It comes in a gallon liquid form.I’m curious to try it out. I’ll let you know how it does I’ve heard it works well. It’s true. I usually do a lime plaster for the exterior, but I actually much prefer doing Earthen plasters .
11d •
Cobbin update
Hi everybody, Here’s an update with my cobbin, almost complete with the first cob layer. I got a bunch of cheap windows on Facebook marketplace, one of them is a window from a school bus, for the driver, which slides open. It’s very hard to find smaller windows that slide open, so check school buses as well if you’re sourcing windows. The outside is almost complete with the cob plaster, just a couple of window holes that I’ll probably fill in with some glass bottles. Soon I’ll be on to the lime plaster.
2 likes • 10d
Great to see your progress Martin! I’ve been curious how you’ve been coming along. Glad you could join our community call today and share your progress there as well!
1-10 of 263
@miguel-elliot-6901
Natural building made simple. Build sustainably, affordably, and off-grid with the Palletable Cobin method. Join us!
Active 16h ago
Joined Sep 12, 2025
California
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