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dirt bag underground strusture

 
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hello people... im currently constructing a semi underground dirtbag/ compressed polyeurothane sack constructed round house in the uk.. so far the walls/drainage & roof are complete (50% covered with grass also) i am just about at the point to start applying the clay taken from the grounds to the wall (accompanied with horse manure) could anybody tell me if they have gained any knowledge of applying said mixture directly onto these type of sacks and if the cob will adhere and stay ?? im hoping someone has already got past this stage without me having to test and then just wait and see! there is no moisture issues in the house at any levels . unfortunatle i cant find any knowledge on the tacticity?? of the formula onto a woven plastic material... thanks for hearing me out people .... your knowledge is power. Dez
 
gardener
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Location: North Georgia / Appalachian mountains , Zone 7A
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I used to have some roommates (flatmates?) that were real dirtbags, but that is the extent of my knowledge of the subject.

Why horse manure mixed in with the clay though?

 
pollinator
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Location: Kansas Zone 6a
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Cris Bessette wrote:I used to have some roommates (flatmates?) that were real dirtbags, but that is the extent of my knowledge of the subject.

Why horse manure mixed in with the clay though?



It is the binder (and fiber) to reinforce earthen plaster. Used for all of recorded history.

I have seen some that adhere it direct, the "chinks" between the bags are enough bite to hold. I have seen others that use chicken wire and landscape staples over the top. Not sure if it depends on the size of the bags or the quality of the plaster or both.

This site and the corresponding youtube channel are the best single source of info I know of: http://www.naturalbuildingblog.com/
 
dez mouth
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thanks r scott... i guess i just needed to hear someone has done it alredy without the chicken wire. the bags are not the big big size that i have seen so i hope that the high ammount of chinks shall be all i need to reduce the costings and extra labour!
 
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