[GSBN] use of ashes in clay plasters and/or floors

Rikki Nitzkin rikkinitzkin at earthlink.net
Wed Feb 4 10:17:28 CST 2009


What properties does the wood ash add to the clay plaster?

Rikki


El 04/02/2009, a las 16:24, Evgen Shirokov escribió:

> Hello,
>
> we add wood ash in clay (+shell) plaster for SB walls finishing, as  
> well as masonary ovens - it works well.
> But if say about heat insolation - normally it means use of coal  
> ash. Somtimes it's problem - becouse of hight level nuclear radiation.
>
> Evgeny Shirokov
> Belarus
>
> -----Original Message-----
> From: Rikki Nitzkin <rikkinitzkin at earthlink.net>
> To:  ESBN  <strawbale at amper.ped.muni.cz>,GSBN <GSBN at greenbuilder.com>
> Date: Wed, 4 Feb 2009 14:14:57 +0100
> Subject: [GSBN] use of ashes in clay plasters and/or floors
>
>> Hi all in a debate on the Spanish list serve, talking about
>> "insulating" clay floors, the following observation was made:
>>
>> "Otra pregunta: no sИ si en la capa de aislamiento se podrМa  
>> aЯadir
>> ademАs ceniza?. SИ que la ceniza se utiliza como muy buen aislante  
>> en
>> hornos de barro tanto en la solera del horno como mezclada con el
>> barro (yo mismo la he empleado). SerМa una posibilidad de reutilizar
>> un residuo sobretodo la gente que produce cantidades importantes
>> (chimeneas, cocinas econСmicas, estufas...)."
>>
>> "one more question: I don't know if in the insulation layer (of the
>> clay floor) it would be possible to add ashes? I know that ashes are
>> frequently used as good insulation in clay ovens-both in the floor of
>> the oven and in the clay. Would it be possible to re-use a residue
>> (ashes) that many people produce in important cuantities?
>>
>> note: here in spain a lot of people still use wood-burning stoves and
>> ovens, as well as fire-places...
>>
>> Any thoughts or comments?
>>
>> Rikki
>>
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>
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