[Cob] Cob dome roof?

[Ocean Liff-Anderson]

Check out this cob/earthbag dome - cement plaster, compression beam.

http://www.earthbagbuilding.com/projects/omdome.htm




On Jul 26, 2010, at 6:21 AM, Damon Howell wrote:

> Yes, the climate he's speaking of is in Gourna, Egypt. So, it's  
> probably a bit different that anything most of us can do. I think  
> you'd have to be a long time mason or building expert to execute a  
> dome roof to keep it from falling in. That is no amateur job.
> Damon
>
>
>
>
>
> On Jul 25, 2010, at 3:00 PM, coblist-request at deatech.com wrote:
>
>> Hello Damon,
>>
>> you mentioned "a 10 foot circular  mud hut with a dome roof (also  
>> mud)".
>> I am curious. How would that work? I always thought mud roofs only  
>> work
>> in desert climates or similar. Or is there a possibility to make it
>> waterproof? Where I live (northern germany) it rains a lot and it is
>> maritime climate. But there are also very few trees here, so my  
>> dream is
>> a small hut that uses earth, straw, probably thatch (it's just a
>> dream... reed thatch is expensive...), other natural materials and a
>> little wood, but as little as possible. This is all theoretical at  
>> this
>> time. But I like to think about possibilities and I'd very much  
>> like to
>> try something like this as soon as possible.
>>
>> I hope this doesn't sound too stupid, it's just an idea I had. I  
>> have no
>> building experience yet, so it might be a very stupid idea. But I  
>> find
>> it fascinating, so here it is: A cob dome roof with straw/thatch  
>> worked
>> in so that the straw/thatch works like a fur. It is embedded in  
>> the cob,
>> but the long ends stick out in many layers (as on a normal thatch  
>> roof),
>> making rain water run off and hopefully keeping the cob dry. I  
>> hope it's
>> understandable what I mean with this description.
>> Or a slightly different idea would be to fasten the straw/thatch  
>> to the
>> cob dome with pieces of wood in about the same way one would normally
>> fasten it to roof timbers.
>>
>> I wonder if anyone has tried/experimented with something like this  
>> before?
>
>
>
> _______________________________________________
> Coblist mailing list
> Coblist at deatech.com
> http://www.deatech.com/mailman/listinfo/coblist