Rethink Your Life!
Finance, health, lifestyle, environment, philosophy
The Work of Art and The Art of Work
Kiko Denzer on Art
[Cob] Apology to the list [was Re: self-building - ovens vs. dwellings]Peter Kaulback peter at thesilverwheel.ca
Sun Jul 15 10:18:18 PDT 2007
I must apologize to the entire list as this reply was private, I did not pay attention to how this message was filtered in my email app and so I incorrectly addressed it to the list. Thank you, Peter Kaulback Peter Kaulback wrote: > Certainly with any structure using load bearing exterior walls there is > the risk of collapse, whatever the materials used for the wall there is > always a risk of injury or death. If a wall is a few hundred pounds or a > few thousand the risk is there. Dig a well and see the effects of the > earth alone. > > This isn't to say never try without hands-on training, if one is > confident in their abilities then I believe one should try. Otherwise > nothing gets built. I see many farmers and others in rural locales do it > every day. > > As detailed as Kiko was with his oven book so is Becky Bee with her cob > building book: The Cob Builders Handbook. Both of which leave much for > experimentation and exploration, the best kinds of books I believe. > > On a side note, did you use straw in your ovens interior layer? > > Peter Kaulback > > Ocean Liff-Anderson wrote: >> It is possible to build an oven with very little instruction, especially >> since Kiko Denzer has outlined in excruciating detail all the >> information necessary in his book, Build Your Own Earth Oven. >> >> An oven is a simple dome structure, and once fired most of the straw >> "cokes" (burns to carbon without any flame) and no longer yields >> strength to the oven. The domed-nature of the oven is supported in part >> by the lightly-fired clay center, which now resembles a weak porcelain. >> >> Building a dwelling or other structure where people will be inside, >> under a wall-supported roof is another story altogether. I would not >> recommend it. The roofing and walls of a cob building can weight >> several thousand pounds, and while your oven's collapse may ruin dinner, >> a building's collapse will definitely ruin your day. >> >> People have been killed when improperly built cob walls failed. >> >>> I have never taken a workshop nor have I talked to anyone else who built >>> with cob in person and yet I have built an exceptional cob oven all >>> because of the confidence instilled by the work of Kiko Denzer, Becky >>> Bee, Lanto Evans, and many people on this very list. I have never built >>> any building from scratch before, food yes, structures no. Then again >>> there haven't been any given in this area either :/ >>> >>> Peter Kaulback >>> >>> Ocean Liff-Anderson wrote: >>>> this question reveals much that needs to be learned... >>>> >>>> how can you be "ready to cob" if you don't know why straw is included >>>> in the mix??? just where have you learned about cob, and from whom >>>> did you learn it? >>>> >>>> in order to mix and build with cob, you need to know several things - >>>> quality of clay, the right kind of sand, the best quality straw, and >>>> the right mix of all three, along with water to mix them into cob. i >>>> can't believe that there isn't any straw in the state of georgia. >>>> what do farmers do for their animal bedding? >>>> >>>> don't build with cob until you take a workshop, from someone skilled >>>> in cob building, who can then explain all you need to know - the >>>> proper way to make a good cob mix, a good foundation, a good roof. >>>> if you are planning to build a structure which will be inhabited, you >>>> must do so safely, or face the possibility of a catastrophic failure! >>>> >>>> sorry to be the harbinger of doom and gloom, >>>> ocean >>>> >>>> On Jul 12, 2007, at 10:20 AM, Damon Howell wrote: >>>> >>>>> What is the purpose of straw in a cob mix? Nobody seems to "really >>>>> know" what the role of straw is anyway. Is it there to hold the cob >>>>> together while the wall is still wet (like a free form), or to keep >>>>> the wall from crumbling incase it cracks later (like reenforcement), >>>>> or to allow air/water to move through the wall (because straw is >>>>> hollow)? The problem is that nobody knows the reason they used straw >>>>> because they didn't leave behind notes on how and why they built that >>>>> way, and it's been a while since they lived here. What do they do in >>>>> Africa? Do they use straw "in" the cob? Can any other plants be used >>>>> as tensile such as long grasses? I'm almost ready to start cobbing >>>>> but straw is just unavailable in GA right now, and what straw there >>>>> is has a very high price on it. I'm not willing to pay three times >>>>> the price for it if there's a substitution. I would love to just go >>>>> out in the field and get some tall grass if it would suffice. It's a >>>>> heck of a lot cheaper! >>>>> >>>>> Chow, >>>>> Damon Howell >>>>> North Georgia, US >>>>> >>>>> _______________________________________________ >>>>> Coblist mailing list >>>>> Coblist at deatech.com >>>>> http://www.deatech.com/mailman/listinfo/coblist >>>> >>>> _______________________________________________ >>>> Coblist mailing list >>>> Coblist at deatech.com >>>> http://www.deatech.com/mailman/listinfo/coblist >>>> >>> _______________________________________________ >>> Coblist mailing list >>> Coblist at deatech.com >>> http://www.deatech.com/mailman/listinfo/coblist >> > > _______________________________________________ > Coblist mailing list > Coblist at deatech.com > http://www.deatech.com/mailman/listinfo/coblist >
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