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[Cob] Iron in cobShannon Dealy dealy at deatech.comWed Apr 22 18:59:16 CDT 2009
On Wed, 22 Apr 2009, Robert Alcock wrote: > 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? Sorry, that's all I remember. Keep in mind though that aside from the issue of how acidic your soil is, moisture is constantly moving through your cob walls, every time you breathe out, flush a toilet, cook, shower, etc., some of that moisture goes out the doors and windows, but a fair bit of it ends up in your walls and eventually evaporates off the exterior (this is why ALL walls need to breathe, regardless of what they are made of). The higher the interior moisture levels of your walls, the worse it will be for iron buried in it, though it's possible that under some or even most circumstances, the life of the iron might be "long enough" (whatever that may be). Shannon C. Dealy | DeaTech Research Inc. dealy at deatech.com | - Custom Software Development - Phone: (800) 467-5820 | - Natural Building Instruction - or: (541) 929-4089 | www.deatech.com
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