[Cob] Iron in cob

[Robert Alcock]

Hi Shannon

Thanks. I do remember reading something like that on the coblist, but 
also I think it was a situation where the cob was particularly damp - if 
I recall correctly. Do you have any more details?

Robert


Shannon Dealy wrote:
> On Tue, 21 Apr 2009, Robert Alcock wrote:
>
> [snip]
>> Does anyone have data on the long-term performance of iron inside a cob
>> wall? The first floor beams of our 2-storey hybrid straw-bale/cob house
> [snip]
>
> I am aware of one report of nails being used as an attachment point 
> buried in cob and there being nothing left of the nails in the cob 
> after one year.   I don't know any specifics about this, but it is 
> important to keep in mind that some soils are much more acidic than 
> others which could have significant impact on your choice.
>
> FWIW.
>
> Shannon C. Dealy      |               DeaTech Research Inc.
> dealy at deatech.com     |          - Custom Software Development -
> Phone: (800) 467-5820 |          - Natural Building Instruction -
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>