[Cob] Biased information on Lime Slaking

[dirtcheapbuilder-Charmaine Taylor]

Sorry, but this is an example of   a knowledgeable lime user ( and I 
know Jane, she knows me) knocking  THEIR OWN LIME,  and  there is NO 
problem with US made lime, it is not inferior in any way.


Please call GenLime in Ohio, or Western/ChemStar lime in Nevada and 
talk to a scientist..THEN report back to be fair........ They are 
required meet high ASTM standards for lime bagged for use in MANY big 
industries,

Offering just a paragraph from a UK booklet ( based on ONE person's 
opinion of lime in HER country)  is NOT fair to US producers ( why I am 
defending them?)  Because over time many people will read this  
unbalanced email info, and go off looking to slake their own quicklime 
etc.. endlessly repeating  information obtained from online...   After 
seven years of seeing this come up every 4 weeks, I can tell you  that 
it is .not a fair representation  of what is good and avaialble, and 
may cause problems and misinformation to continue each time someone 
reads that.

  I have explained over and over that IS limes are properly hydrated to 
make great plasters and mortars.. The White house is restored with 
hydrated limes, etc.   The building trade use of lime in the US is 
TINY, and natural builders do not have a lot of choice in obtaining 
quicklime anyway, and fewer have the skills to do it properly.   
Improperly handled quicklime can burn, explode, be dead drowned or 
overburned during hydration etc..


While I am happy you can slake your own quicklime...please be aware 
your implication is that others should too... is that what you meant 
Robert?


>
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PO Box 375 Cutten CA  95534 USA  -- 707-441-1632
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On Sep 15, 2004, at 8:21 AM, robert at edgewaterNW.com wrote:

>
> So- why bother slaking quicklime?- Jane Schofield wrote a booklet 
> called "Lime in Building" - a practical guide.
> There is a short mention of hydrated lime- aka "bag lime".  To snip a 
> few points out of the two paragraph discussion- "although this has 
> some uses, and is better than no lime at all, it is inferior to 
> properly made lime putty for various reasons ranging from its particle 
> size (lime putty is much finer) to its fast degradation in less than 
> ideal storage conditions,... it is unreasonable to expect lime mortar 
> to work effectively if its setting properties are exhausted before it 
> is used". "Hydrated lime has regularly been used as an extender or 
> filler in cement mixes, but its use as the principal binder is 
> limited". Even with proper preparation " it will not be as good as 
> proper lime putty and will be unsatisfactory for limewash".
>  Robert in the upper left corner
>