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Re: GSBN:Lime Wash



Jeff,
Is the limewash for the outside or inside of the building?  Reason I
ask is that for me it would seem to make sense on the inside of the
structure where the antiseptic benefits would be advantageous.
However, for that to be a factor the limewash would have to be
applied on a frequent (annual?) basis to be effective.  There is a
lime paint, the name of which I can't recall, that Harry Francis has
brought up in the past as being particularly good for a number of
reasons.  Perhaps he can respond with current info.  On the exterior
why not take advantage of the lime of silicate paints offered by the
fellows at Eco-House.  It would provide a similar soft matt look,
resist water absorption while remaining vapor open like the
limewash.  Furthermore, rather than remain a coating on the wall, it
would become part of the surface.
Another idea that hasn't occurred to me in the past is that you could
inquire whether or not lime could be added to the paint  base in
place of the pigments.  It would also provide a binder for the lime
which you very well might need anyway.

Bill

Athena & Bill Steen
The Canelo Project
HC1 Box 324
Canelo/Elgin, AZ 85611
absteen@...
www.caneloproject.com


On Apr 26, 2006, at 4:31 PM, Jeff Ruppert wrote:

Hello Everyone,

We are presently working on a rather large project (30,000 sf horse
arena and attached residence, all straw bale) and would like to
apply a
lime wash with pigment over the brown coat of plaster, which is
cement/lime, to roughly 15,000 sf of surface area.

My question is, has anyone ever tried spraying lime wash?  The huge
amount of surface area is leading me to try and find a faster way of
applying it other than by brush or roller.  We have access to both
hydrated and hydraulic lime.

Also, I know there have been discussions on these lists regarding size
of SB structure so I don't want to ask everyone if there is a
larger SB
structure than this one (I am sure there is!), but this one definitely
is "up there" in terms of size.  Make a mental note if anyone ever
asks
how large you can go.  We have 20 ft tall walls included in the 15,000
sf of wall system on this project.  It is all three-string bales
stacked
on-edge.

Here are some pictures for your delight!  Thanks in advance for any
help.

<a  target="_blank" href="http://photos.odiseanet.com/main/gallery2/main.php";>http://photos.odiseanet.com/main/gallery2/main.php</a>?
g2_view=core.ShowItem&amp;g2_itemId=105&amp;g2_navId=xba8dd562

Sorry about the use of cement plaster!  A project of this scale
with six
feet of snow on the ground in the winter, big winds, and a "real-life"
time window, nothing compares with the cost, durability, and available
labor.  Thank goodness we live in a VERY dry climate!


Jeff Ruppert, P.E.
Principal

Odisea LLC
Ecological Building, Engineering and Consulting

Front Range Office 		West Slope Office
1731 15th St. #105		1022 Main St.
Boulder, CO  80302		Carbondale, CO 81623
303.443.4335			970.948.5744
303.443.4355 f			1.866.795.6699 f
jeff@...
www.odiseanet.com
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