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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi all,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Does anyone know of any good values/research to use for
derating the R-value of batt insulation in a (residential) wall stud cavity as
it settles over time? I’ve heard recently that an R-19 can often perform
around R-13, and would like to find a second source.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thanks,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Aleka<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#339966" face="Arial Narrow"><span
style='font-size:10.0pt;font-family:"Arial Narrow";color:#339966'>Aleka Pappas</span></font><font
color="#339966"><span style='color:#339966'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#339966" face="Arial Narrow"><span
style='font-size:10.0pt;font-family:"Arial Narrow";color:#339966'>***********************************</span></font><font
color="#339966"><span style='color:#339966'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#339966" face="Arial Narrow"><span
style='font-size:10.0pt;font-family:"Arial Narrow";color:#339966'>Enermodal
Engineering, Inc.</span></font><font color="#339966"><span style='color:#339966'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#339966" face="Arial Narrow"><span
style='font-size:10.0pt;font-family:"Arial Narrow";color:#339966'><a
href="http://www.enermodal.com"><font color="#339966"><span style='color:#339966'>www.enermodal.com</span></font></a></span></font><font
color="#339966"><span style='color:#339966'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#339966" face="Arial Narrow"><span
style='font-size:10.0pt;font-family:"Arial Narrow";color:#339966'>Denver, CO</span></font><font
color="#339966"><span style='color:#339966'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#339966" face="Arial Narrow"><span
style='font-size:10.0pt;font-family:"Arial Narrow";color:#339966'>tel:
303.861.2070</span></font><font color="#339966"><span style='color:#339966'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#339966" face="Arial Narrow"><span
style='font-size:10.0pt;font-family:"Arial Narrow";color:#339966'>fax:
303.830.2016</span></font><font color="#339966"><span style='color:#339966'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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