<html><body><div style="color:#000; background-color:#fff; font-family:garamond, new york, times, serif;font-size:12pt">I have samples of Accoya and tried to use it on a deck, however it was impossible to justify the cost. It really does smell like vinegar.<br>Aware of the thermally treated methods, which are for new woods. Was hoping for something we could apply to salvaged wood, whether soaked or sprayed. <br>We could not duplicate a kiln, and although possible to send this wood to one of those treaters, I imagine they want a large quantity and probably charge large sum, not to mention shipping it there and back.<br>As I understand it boric acid is great except for the solubility, and it is then the fixing of it that poses the problem..<br>The old time method of linseed oil and turpentine seems to come up, neither are exactly benign.<br><br><br><div><span><br></span></div><div> </div><div>Reclaim + Remake Symposium, April 11-13,
2013<br>http://architecture.cua.edu/reclaimremake<br>Registration Opens December 14, 2012<br><br></div><div>Brad Guy, Assoc. AIA, LEED AP BD+C<br>Associate Director<br>Center for Building Stewardship<br>Assistant Professor<br>School of Architecture and Planning<br>The Catholic University of America<br>Washington, DC 20064<br>c. 814-571-8659<br>GUY@cua.edu<br> <div style="font-family: garamond, new york, times, serif; font-size: 12pt;"> <div style="font-family: times new roman, new york, times, serif; font-size: 12pt;"> <div dir="ltr"> <font face="Arial" size="2"> <hr size="1"> <b><span style="font-weight:bold;">From:</span></b> christian corson <chris@ecocor.us><br> <b><span style="font-weight: bold;">To:</span></b> Green Building <greenbuilding@lists.bioenergylists.org> <br> <b><span style="font-weight: bold;">Sent:</span></b> Thursday, January 10, 2013 5:52 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re:
[Greenbuilding] wood vinegar as non-toxic wood treatment<br> </font> </div> <br>
<div id="yiv295790042">Haven't had a client that wants to afford it yet. There are other products on the residential market that are just as responsible but less coin. Like Cambia.<div>As nice as Accoya is, it is a boutique veneer reserved unfortunately for budgets like the Bullet Center ( not that it was used there) Its hard to convince people to spend the money on plyboo and the like.</div>
<div>Spend the money on the shell, windows, and ventilation then tack on $30,000.00 siding packages.</div><div>Sure is purdy tough.</div><div>c</div><div><br><div><br clear="all"><div><font color="#ff6600"><i>Christian Corson</i><br>
<i>EcoCor Design/Build</i></font><br><a rel="nofollow" target="_blank" href="http://ecocor.us/"><font color="#3333ff">ecocor.us</font></a><br><a rel="nofollow" ymailto="mailto:chris@ecocor.us" target="_blank" href="mailto:chris@ecocor.us"><font color="#3333ff">chris@ecocor.us</font></a><br>
<font color="#ff6600">207 930-5088 </font><br></div>
<br><br><div class="yiv295790042gmail_quote">On Thu, Jan 10, 2013 at 5:14 PM, Philip Proefrock <span dir="ltr"><<a rel="nofollow" ymailto="mailto:architect@cornellbox.com" target="_blank" href="mailto:architect@cornellbox.com">architect@cornellbox.com</a>></span> wrote:<br><blockquote class="yiv295790042gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Are you thinking about things like Accoya treated wood? They use a<br>
process called acetylization, which uses acetic acid in a pressure<br>
treatment application to produce weather-resistant wood; it's not just a<br>
brush-on process.<br>
<br>
Here's an article with some additional information (and a few images,<br>
including a wooden road bridge made with this wood):<br>
<br>
http://www.jetsongreen.com/2011/05/accoya-durable-nontoxic-exterior-wood.html<br>
<br>
From what I understand of the process, it needs heat and pressure to<br>
work; it's not just the presence of vinegar that provides the<br>
protection. But this is a pretty water-resistant material once it's<br>
been treated. It is used for a variety of exposed purposes.<br>
<br>
Philip Proefrock, AIA<br>
<br>
<br>
> Has anyone on this list ever used wood vinegar or any other kind of<br>
> vinegar as a wood preservative/treatment ?<br>
> If so, can you indicate the results and where you got it in the USA ?<br>
><br>
<br>
<br>
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