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RE: GSBN:Leaving bales bare



As BORAX is supposed to prevent fungal groth (so I'm told) how realistic would
treating straw (before or during baling) with BORAX be?

Bye,

Andr?
La Maison en Paille



Selon John Straube jfstraube@...:

> Rene's observations are similar to mine and I agree with them
> However, spores exist is all bales unless they have been irradiated or
> equivalent for some time
> The difference in why under some conditions things take off and others they
> don't is likely (not for sure) due to the level of growth that already
> occurred in the bales before the event.
> Spores take some time to start growing and when they go dormant, due to
> drying or whatever, it takes much less for them to start again.
> Hence, I think the reason is that bales that have some growth, not
> macroscopically visible, will go moldy really quickly, while those with only
> spores take a lot longer to start.
>
>
> Dr John Straube
> Assistant Professor
> Dept of Civil Engineering & School of Architecture
> University of Waterloo
> Waterloo, Ont. Canada
> <a  target="_blank" href="http://www.civil.uwaterloo.ca/beg";>http://www.civil.uwaterloo.ca/beg</a>
>
>
> -----Original Message-----
> From: GSBN [<a  target="_blank" href="mailto:GSBN@...";>mailto:GSBN@...] On Behalf Of Rene Dalmeijer
> Sent: Monday, January 17, 2005 9:13 AM
> To: GSBN
> Subject: GSBN:Leaving bales bare
>
> Fellow SBers,
>
> A topic I have been pondering recently concerns the logic of rapidly
> applying plaster to bale walls. I plead for doing so.   Based on the
> following logic:
>
> Fresh dry bales are basically relatively spore free. If these bales are
> rapidly encased in plaster there is very little chance that the straw will
> be infected with new fungus spores. Therefore seriously improving the
> chances of a long life span of the SB wall even in the event of a one time
> wetting.
>
> In the past I have heard about and seen SB houses that have experienced such
> a seemingly disastrous wetting without serious consequences. I expect that
> the bales were able to dry without fungus growth setting in because of very
> low spore levels due to using fresh and dry straw during the build. In other
> cases though I have seen bales rapidly growing mushrooms after a seemingly
> light wetting. I think the main thing separating these cases is the presence
> or lack of- spores in the bales.
>
> I wonder what others feel on this topic. I strongly believe that one of the
> main tricks to longevity to SB walls is getting the bales dry in the walls
> and then getting the building rapidly out of the after building moisture
> phase.
>
> Rene
>
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> ----
> GSBN is an invitation-only forum of key individuals and representatives of
> regional straw construction organizations. The costs of operating this list
> are underwritten by The Last Straw Journal in exchange for use of the GSBN as
> an advisory board and technical editing arm.
>
> For instructions on joining, leaving, or otherwise using the GSBN list, send
> email to GSBN@...HELP in the SUBJECT line.
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>