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<div class=Section1>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Dear Kevin,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I am sure this is going to be a hot topic
very soon. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>In <st1:country-region w:st="on"><st1:place
w:st="on">Australia</st1:place></st1:country-region>, the ASHRAE & other values
have been used for some years with regard to cavity insulation values. This
includes subfloors, walls, roof spaces and spaces between roofing and sarking. We
have conducted a few preliminary studies with Engineering honours and Architecture
PhD students on actual buildings. They have all shown dramatically different results
to what was previously accepted. In the case of walls this has a dramatic
affect on the current practice of placing the insulation on the outside of the
cavity. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>In terms of the roof model we have
documented variations up to 20 deg C between DSP and observed results. Subfloors
having variations but to a lessor magnitude. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>We are hoping for some future moneys to go
back to the fundamentals of the physics models and modify them to relate to
what is really occurring in buildings. We have measured amazing horizontal and
vertical air currents in cavity spaces dependent on wall orientation. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>Mark Dewsbury<br>
<br>
Centre for Sustainable Architecture with Wood<br>
<st1:place w:st="on"><st1:PlaceType w:st="on"><u1:place u2:st="on"><u1:PlaceType u2:st="on">School</st1:PlaceType></u1:PlaceType>
of <u1:PlaceName u2:st="on"><st1:PlaceName w:st="on">Architecture</st1:PlaceName></st1:place><br>
</u1:PlaceName><st1:place w:st="on"><st1:PlaceType w:st="on"></u1:place><u1:place u2:st="on"><u1:PlaceType u2:st="on">University</st1:PlaceType></u1:PlaceType>
of <u1:PlaceName u2:st="on"><st1:PlaceName w:st="on">Tasmania</st1:PlaceName></st1:place><br>
</u1:PlaceName></u1:place>Locked Bag 1324<br>
Launceston 7250<br>
ph: 03 6324 4089<br>
mob: 0417 290 807<br>
fax: 03 6324 4088<br>
</span></font><font color=navy><span style='color:navy'>e: <a
href="mailto:mark.dewsbury@utas.edu.au"
title="blocked::mailto:mark.dewsbury@utas.edu.au">mark.dewsbury@utas.edu.au</a></span><o:p></o:p></font></p>
</div>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span lang=EN-US style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<p class=MsoNormal><b><font size=2 face=Tahoma><span lang=EN-US
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span></font></b><font
size=2 face=Tahoma><span lang=EN-US style='font-size:10.0pt;font-family:Tahoma'>
Kevin Kyte [mailto:KKyte@watts-ae.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Friday, 10 September 2010
1:47 AM<br>
<b><span style='font-weight:bold'>To:</span></b> mark dewsbury<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [Bldg-sim] effective
R-value cavity insulation</span></font><span lang=EN-US><o:p></o:p></span></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span lang=EN-US
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'>This is what I
received.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span lang=EN-US
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'><o:p> </o:p></span></font></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0mm 0mm 0mm'>
<p class=MsoNormal><b><font size=2 face=Tahoma><span lang=EN-US
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span></font></b><font
size=2 face=Tahoma><span lang=EN-US style='font-size:10.0pt;font-family:Tahoma'>
mark dewsbury [mailto:Mark.Dewsbury@utas.edu.au] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Sunday, September 05, 2010
9:36 PM<br>
<b><span style='font-weight:bold'>To:</span></b> Kevin Kyte<br>
<b><span style='font-weight:bold'>Subject:</span></b> FW: [Bldg-sim] effective
R-value cavity insulation<o:p></o:p></span></font></p>
</div>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-US
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Dear Kevin,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Was there any feedback or comment from
your question? <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I have done some preliminary studies with
engineering honours students and found dramatically different results to the
theories. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'>Mark Dewsbury<br>
<br>
Centre for Sustainable Architecture with Wood<br>
<st1:place w:st="on"><st1:PlaceType w:st="on">School</st1:PlaceType> of <st1:PlaceName
w:st="on">Architecture</st1:PlaceName></st1:place><br>
<st1:place w:st="on"><st1:PlaceType w:st="on">University</st1:PlaceType>
of <st1:PlaceName w:st="on">Tasmania</st1:PlaceName></st1:place><br>
Locked Bag 1324<br>
Launceston 7250<br>
ph: 03 6324 4089<br>
mob: 0417 290 807<br>
fax: 03 6324 4088<br>
</span></font><font color=navy><span style='color:navy'>e: <a
href="mailto:mark.dewsbury@utas.edu.au"
title="blocked::mailto:mark.dewsbury@utas.edu.au">mark.dewsbury@utas.edu.au</a><o:p></o:p></span></font></p>
</div>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span lang=EN-US style='font-size:12.0pt'>
<hr size=2 width="100%" align=center>
</span></font></div>
<p class=MsoNormal><b><font size=2 face=Tahoma><span lang=EN-US
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span></font></b><font
size=2 face=Tahoma><span lang=EN-US style='font-size:10.0pt;font-family:Tahoma'>
Kevin Kyte [mailto:KKyte@watts-ae.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Sunday, 6 June 2010 2:13 AM<br>
<b><span style='font-weight:bold'>To:</span></b> bldg-sim@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> [Bldg-sim] effective
R-value cavity insulation</span></font><span lang=EN-US><o:p></o:p></span></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'>I am curious what the relationship is between cavity
depth, rated insulation, and effective insulation in framed walls. I am
referencing the ASHRAE 90.1 doc because it is really the only one I have on
this subject. I have charted Table A9.2B and a logarithmic trendline
appears to be a good fit for extrapolating. If anyone in academia,
industry, or the societies has more information on this subject I would
certainly be grateful to receive a good lead. Thank you.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-US style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoAutoSig><font size=3 face="Times New Roman"><span lang=EN-US
style='font-size:12.0pt'>Kevin Kyte, </span></font><font size=2><span
lang=EN-US style='font-size:10.0pt'>LEED</span></font><sup><font size=2
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial'> </span></font></sup><sup><font
size=2><span lang=EN-US style='font-size:10.0pt'>®</span></font></sup><font
size=2><span lang=EN-US style='font-size:10.0pt'> AP<o:p></o:p></span></font></p>
<p class=MsoNormal><st1:place w:st="on"><b><font size=3 face="Times New Roman"><span
lang=EN-US style='font-size:12.0pt;font-weight:bold'>Watts</span></font></b></st1:place><b><span
lang=EN-US style='font-weight:bold'> Architecture & Engineering, P.C.<o:p></o:p></span></b></p>
<p class=MsoNormal><st1:Street w:st="on"><st1:address w:st="on"><font size=2
face=Shruti><span lang=EN-US style='font-size:10.5pt;font-family:Shruti'>95
Perry Street, Suite 300</span></font></st1:address></st1:Street><font size=2
face=Shruti><span lang=EN-US style='font-size:10.5pt;font-family:Shruti'><o:p></o:p></span></font></p>
<p class=MsoNormal><st1:place w:st="on"><st1:City w:st="on"><font size=2
face=Shruti><span lang=EN-US style='font-size:10.5pt;font-family:Shruti'>Buffalo</span></font></st1:City><font
size=2 face=Shruti><span lang=EN-US style='font-size:10.5pt;font-family:Shruti'>,
<st1:State w:st="on">NY</st1:State> <st1:PostalCode w:st="on">14203</st1:PostalCode></span></font></st1:place><font
size=2 face=Shruti><span lang=EN-US style='font-size:10.5pt;font-family:Shruti'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Shruti><span lang=EN-US style='font-size:
10.5pt;font-family:Shruti'>p: 716.206.5174<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Shruti><span lang=EN-US style='font-size:
10.5pt;font-family:Shruti'>f.: 716.206.5199<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Times New Roman"><span lang=EN-US
style='font-size:11.0pt'>e: <a href="mailto:kkyte@watts-ae.com">kkyte@watts-ae.com</a><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Times New Roman"><span lang=EN-US
style='font-size:11.0pt'><a href="http://www.watts-ae.com/">http://www.watts-ae.com</a><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Times New Roman"><span lang=EN-US
style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-US
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-US
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
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