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buddha
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Some more cob houses.
http://www.cobworks.com/photo-gallery/
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astrobaja
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Location: near San Pedro Martir Park
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So cobb is basically like a rammed earth building? Our house is adobe with lime plaster on the outside and earthen palster on the inside, we love it
stays cool in summer heat and warm in winter! The blocks were made right on site with clay, sand, water, and bales of straw. As far as earthquake
proof, the house can be made with a cement bond beam with rebar, ours has vertical rebar every 6 feet. The little guest casita is also adobe!
The only thing is adobe/cobb houses need a very substantial foundation.
http://www.bajadarkskies.com/Accomodations.html
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astrobaja
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Oh yes the Tres Mujeres vinedo in Valle de Guadalupe is also adobe!
\"There is a theory which states that if ever anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear
and be replaced by something even more bizarre and inexplicable.There is another theory which states that this has already happened\"
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astrobaja
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Ok now I understand the difference. But with the horno and cobb house why not use a lime plaster? We had 100 mph gusts in the El Nino storm this
winter with 23 inches of rain in one day and the plaster held up fine!
Adobe needs to breathe and lime plaster allows this. The Pai Pais that did our home used the traditional nopal cactus cut up finely and left in a
barrel of water, this slimy water they used in the initial coat of lime plaster along with a bit of sallt and fine sand, 2 more coats of lime and sand
plaster were added to achieve a smooth finish (without the nopal). We plan on doing the same with our adobe pizza oven we just built.
\"There is a theory which states that if ever anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear
and be replaced by something even more bizarre and inexplicable.There is another theory which states that this has already happened\"
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SWMSMB
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| Quote: | Will limehold up to the heat of an horno?
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Lime isn't great for high temperature applications because it tends to disintegrate from the heating/cooling cycles. We built a brick oven at our
house and used aluminum silicate-based refractory mortar for all of the fire and heat exposed areas. That stuff is expensive, though.
Fornobravo.com/forum is a great resource for masonry ovens. Focused on brick ovens but has some good general high temp masonry discussions.
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astrobaja
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I think theres a lot of misconception out there as regards traditional building techniques. So called modern materials like concrete are merely much
faster and conveniant but certainly not superior in many ways. The C02 is what sets/ hardens the lime plaster in a process called carbonation.
It does not need to be done every few years, its been used for centuries in Europe on old buildings, in fact the Roman temple known as the Pantheon
has a lime based dome spanning 43 meters that has endured for nearly 1900 years!
I wonder sometimes how well our so called modern buildings will last in comparison!
http://www.buildinggreentv.com/node/171
1st off you really need to get the book Adobe Conservation A preservation Handbook by Cornerstone Community Partnerships its a very valuable guide!
As for your oven if it has an insulative layer in it (wood shavings or sawdust) it should work fine, we have it on our fireplace and no cracks have
appeared.
For colour we found a great place that sells natural pigments, all you do is mix lime, water and the pigment, very easy!
http://www.earthpigments.com/index2.cfm
\"There is a theory which states that if ever anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear
and be replaced by something even more bizarre and inexplicable.There is another theory which states that this has already happened\"
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monoloco
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The hot lime that you have to slack works much better for plaster than the hydrated type more commonly available.
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mcfez
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Earthbag is better
Since Baja is mostly sand...
We are building earth bag construction starting next year north of San Felipe. Having tested the concept here on the farm, and going to a week long
"how to do it" course in Mojave.....a fantastic easy way to get things done.
Sandbags, 90% sand, a 10% concrete ....no re-bar...barbwire (!). Sounds crazy hun? It's not. This building process has been approved by the Kern
County building department
The net has good basic info.
Or buy <Building with Earth> 1-890132-81-0
[Edited on 8-17-2010 by mcfez]
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mcfez
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| Quote: | Originally posted by fishabductor
| Quote: | Originally posted by mcfez
Since Baja is mostly sand...
We are building earth bag construction starting next year north of San Felipe. Having tested the concept here on the farm, and going to a week long
"how to do it" course in Mojave.....a fantastic easy way to get things done.
Sandbags, 90% sand, a 10% concrete ....no re-bar...barbwire (!). Sounds crazy hun? It's not. This building process has been approved by the Kern
County building department
The net has good basic info.
Or buy <Building with Earth> 1-890132-81-0
[Edited on 8-17-2010 by mcfez] |
Very labor intensive construction as is Earthship construction(using discarded tires and packing soil into the cavity), and from my understanding you
need to build everything in domes. |
No tires! The tire tec is very hard to do indeed, I agree with you on that. We tried that for 4 days with a crew here at the farm...packing the tires
just isnt cost effective. Did someone mention residual gas coming off the old tires....I agree with that too.
Very easy using sandbags ONLY! Have a crew of four, 9-10 days, and wammo. Done it! Domes can be as large (24 feet diameter) and mutli domes connected
to each...hence...one can build a huge compound. There's a <Vault House> under construction at Pete's camp San Felipe ....sandbag tec too but
not completely. We have a step by step picture of that project...very nice.
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mcfez
Elite Nomad
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good questions!
| Quote: | Originally posted by fishabductor
What are the sandbags made out of? Will they hold up to baja's harsh UV rays? baja is the only place I have ever been where plastic is biodegradable.
I messed around with the tire design too.
I tried the following.
Cob, adobe, tires, rocks and blocks. I will probably end up with a rock/block home.
I love cob homes, but I don't think they will stand uo to the elements here...hurricanes primarily. If I could put a cement stucco on the exterior
that wouldn't crack due to to the expansion differences between cob/cement. I would probably build a cob home.
Not sure whether or not the building inspectors allow them here however. I will have to ask one of my cousin's who is the head of the local inspectors
when I see him next.
[Edited on 8-17-2010 by fishabductor] |
Plastic bags...
Theres a step by step way to do these include the use of a UV ray block (we will be using Lime, which was used extensively in the colony days.....
' I will have to ask one of my cousin's who is the head of the local inspectors "....no offense Sir....most folks dont even know about this process.
Sacramento County Building Department's response was ......"hun?" !
I have enclosed two links for you. One is the school. Dont attempt to build any sort of structure without a basic learning class.....it be cheaper for
you to pay $1500 than to have a ruined Sandbag house! I tried a unit here (small dome) and was peeing my panties on the second day. Went to hands-on
Workshops at Cal-Earth and ended up having dry panties!
http://calearth.org/learn-to-build/workshops.html
This link is loaded with pictures of various projects of this type of process. Good luck to you on however you may build.
http://www.google.com/images?um=1&hl=en&biw=1920&...
[Edited on 8-18-2010 by mcfez]
[Edited on 8-18-2010 by mcfez]
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snowcat5
Junior Nomad
Posts: 71
Registered: 5-14-2009
Location: Plumas county, CA.
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Hi, I have built cob houses and sheds. They are cheap but a messy pain. If you have sandy soil try the earthbag route. I have built a few buildings
around the East cape over the years using the polyester bags. You buy a 1000' roll stateside. You have to plaster (cement) in 6 months or so or the
bags rot. You use rebar and barbed wire to hold the bags together. In Zacatitos, center of the development, on the ocean side of the main road , is
a 2-story bag house. I didn't build it but it is a good example- it has never been completely finished and has many bats living inside. Many sites
and books on the internet about bag houses. Mix 2 parts earth, 5 parts sand and 1 part cement (all dry). After building-up walls, plaster with
cement Mexi style (thrown) 2 coats. The walls go up quick, once you get a system to fill the bags. You need at least 2 people for construction- 1
can do it but slow- 3 or 4 folks is best. I have known owner-builders to build bag houses in Mexico for about $20-40 sf: cement floor, roof, wall and
Beers. That's my 2 sense...
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mcfez
Elite Nomad
Posts: 8678
Registered: 12-2-2009
Location: aka BN yankeeirishman
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| Quote: | Originally posted by snowcat5
Hi, I have built cob houses and sheds. They are cheap but a messy pain. If you have sandy soil try the earthbag route. I have built a few buildings
around the East cape over the years using the polyester bags. You buy a 1000' roll stateside. You have to plaster (cement) in 6 months or so or the
bags rot. You use rebar and barbed wire to hold the bags together. In Zacatitos, center of the development, on the ocean side of the main road , is
a 2-story bag house. I didn't build it but it is a good example- it has never been completely finished and has many bats living inside. Many sites
and books on the internet about bag houses. Mix 2 parts earth, 5 parts sand and 1 part cement (all dry). After building-up walls, plaster with
cement Mexi style (thrown) 2 coats. The walls go up quick, once you get a system to fill the bags. You need at least 2 people for construction- 1
can do it but slow- 3 or 4 folks is best. I have known owner-builders to build bag houses in Mexico for about $20-40 sf: cement floor, roof, wall and
Beers. That's my 2 sense... |
Papercrete is a wonder material too for plastering. It's paper made into a mush...then a little concrete added to the mix. Works super. Oh.....and
there is tons of paper at the edido dump in SF
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