<font color='black' size='2' face='arial'>
<div>Hi Pete</div>
<div>I'd love to see the report too please, if that is possible</div>
<div>best wishes</div>
<div>Carol</div>
<div><A href="http://www.strawcottage.co.uk">www.strawcottage.co.uk</A></div>
<div><br>
<br>
</div>
<div style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: arial,helvetica">-----Original Message-----<br>
From: Pete Walker <abspw@bath.ac.uk><br>
To: '(private, with public archives) Global Straw Building Network' <GSBN@greenbuilder.com>; ArchiLogic@yahoo.ca<br>
Sent: Sat, 1 May 2010 10:25<br>
Subject: Re: [GSBN] UK SB Thermal performance numbers<br>
<br>
<div id=AOLMsgPart_3_a3f89923-b108-4ac7-8f08-0e5659e28f8f>
<div dir=ltr align=left><SPAN class=912071809-01052010><FONT face=Arial color=#0000ff size=2>Hi</FONT></SPAN></div>
<div dir=ltr align=left><SPAN class=912071809-01052010><FONT face=Arial color=#0000ff size=2></FONT></SPAN> </div>
<div dir=ltr align=left><SPAN class=912071809-01052010><FONT face=Arial color=#0000ff size=2>The thermal test was undertaken in 2008 (reported 2009) in BBA labs in the UK. The panel was 490 mm thick and 3.4 m high x 3.5 m wide with two layers of approximately 30 mm thick hydraulic lime render on both faces. the bales were laid flat (as standard) and the bale density was approximately 130 kg/m3 after compression inside a timber frame. the test was a steady state guarded hot box arrangement undertaken in accordance with BS EN ISO 8990:1998. I will need to check with partners who sponsored the work before releasing the report in full, although I don't expect it will be a problem.</FONT></SPAN></div>
<div dir=ltr align=left><SPAN class=912071809-01052010><FONT face=Arial color=#0000ff size=2></FONT></SPAN> </div>
<div dir=ltr align=left><SPAN class=912071809-01052010><FONT face=Arial color=#0000ff size=2>regards</FONT></SPAN></div>
<div dir=ltr align=left><SPAN class=912071809-01052010><FONT face=Arial color=#0000ff size=2></FONT></SPAN> </div>
<div dir=ltr align=left><SPAN class=912071809-01052010><FONT face=Arial color=#0000ff size=2>Pete</FONT></SPAN></div>
<br>
<div class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR>
<FONT face=Tahoma size=2><B>From:</B> <A href="mailto:GSBN-bounces@greenbuilder.com">GSBN-bounces@greenbuilder.com</A> [<A href="mailto:GSBN-bounces@greenbuilder.com?">mailto:GSBN-bounces@greenbuilder.com</A>] <B>On Behalf Of </B>Kelly Lerner<br>
<B>Sent:</B> 30 April 2010 23:16<br>
<B>To:</B> <A href="mailto:ArchiLogic@yahoo.ca">ArchiLogic@yahoo.ca</A>; (private, with public archives) Global Straw Building Network<br>
<B>Subject:</B> Re: [GSBN] UK SB Thermal performance numbers<br>
</FONT><br>
</div>
<div></div>
Hey Rob,
<div>I took off 1" stucco on each side (at R 0.2/inch) on both sides and came up with R 1.75/inch for the bales themselves. Still better than the R 1.25/inch that is listed in the 2007 PHPP. </div>
<div><br>
</div>
<div>Kelly</div>
<div><br>
<div>
<div>On Apr 30, 2010, at 10:46 AM, RT wrote:</div>
<BR class=Apple-interchange-newline>
<BLOCKQUOTE type="cite">
<div>On Fri, 30 Apr 2010 09:19:14 +0100<br>
"Pete Walker" <<A href="mailto:abspw@bath.ac.uk">abspw@bath.ac.uk</A>> wrote:<br>
<br>
<BLOCKQUOTE type="cite">We have completed a certified thermal conductivity test on a rendered 3.5 x 3.5 m x 0.49 m thick straw bale panel. The U-value (thermal transmittance<br>
</BLOCKQUOTE>
<BLOCKQUOTE type="cite">rather than resistance) was 0.19 W/m2k. An R value of 5.3 m2k/W.<br>
</BLOCKQUOTE><br>
<br>
For the benefit of our non-SIU Murrican listmembers, the above translates to a thermal resistivity of R-1.9<br>
per inch (in imperial units of ft^2*hr*degF/Btu*inch), which is a bit more flattering for SB than the value that the Californians have promoted as a result of their "certified" testing.<br>
<br>
So Peter, I'm wondering if you could share with us, a bit about the testing set-up and procedure that was used in the UK testing program (or provide a link to a site that describes it) ?<br>
<br>
-- <br>
=== * ===<br>
Rob Tom<br>
Kanata, Ontario, Canada<br>
< A r c h i L o g i c at Y a h o o dot c a ><br>
(manually winnow the chaff from my edress if you hit "reply"<br>
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<div>One World Design Architecture</div>
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