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Re: GSBN:Sodium Sillicate and an update

I really don't see the advantage in using such a small quantity of it. The net gain fora little extra expense doesn't seem worth it. Clay is easy to apply as it is so why bother. For it to be of any real benefit in a floor, that is to say to add hardness to it, you will need to add substantially more than that, conceivably up to 10% by volume and you will need to have a high percentage of sand for it to work.


On Saturday, March 1, 2003, at 01:10 AM, Andr? de Bouter wrote:

Hello everyone,

A potter friend suggests that I mix Sodium Sillicate (not sure this is the correct English word) in my earth plaster, or mud floor, as he claims it
allow us to have a more 'fluid' mix while using less water. This should make the plaster easier to mix and apply, give less risk of craking and possibly
make the plaster more water resistant.
He suggested to mix 3% Sodium Sillicate to the water.

Any ideas on this?
- chemical reactions?
- breathabilty?
- an ecological sollution?
- ?????

And a little update.

French SB Association
(Association pour la Construction en Fibres Vegetales)
Due to a lack of active participants it has been decided that this non for
profit should be terminated.
Although the demand for SB is constantly rising it seems difficult to get a
good network going in France.
reasons I see are:
- France is a large country (relatively speaking of course) and anual
gatherings are therefore difficult/expensive.
- Internet use is just starting here.
- The lack of building codes pushes SB construction towards owner builders.
Who only need one house and quit the movement after finishing it.

French SB Book.
The project I was working on has transformed into cooperation with Terre Vivante who are translating Astrid and Herbert Grubers' SB book 'Bauen mit
Stroh'. If all goes as planned they will use our images for a collor
As this book is a introduction to SB rather than a detailed 'how to' I'm
trying to stimulate Terre Vivante to translate a second book as soon as
possible. (I realized I would not be able to write a SB book of the level of
some of those out there whithout spending 10 years on it)
I hope the arrival of a French general SB book will activate a new network. Our french mailing list is waiting for them. (and this goes for for other
french speaking parts of the world as well).

CD rom
I'm still trying to find the time to finalize this one before the onset of
summer mud frenzie.

Our SB home/center
The geese are flying to the noth again, sign that the big cold (-14 Celcius
cold for our region) is over.
The hopelessly undersized masonry stove that we borrowed to keep our newborn
from freezing defended itself well. The house is not finished (for the
no windows on the south side, only a temporary unplastered SB wall, and
in the other walls everywhere) but we did manage to 'finish' our bedroom before Coralie gave birth. The last two weeks we cleaned up our garden and
planted fruit trees.
This year year we will try to finish the exterieur walls and the roof
insulation. That way we will have more comfort and I can spend less time cutting (salvaged) wood. The south shoud receive the second hand windows
that I've been
collecting; giving us more light and heat next winter.

Bale on,
Andre de Bouter

La Maison en Paille

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Athena & Bill Steen
The Canelo Project
HC1 Box 324
Canelo/Elgin, AZ 85611