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<DIV dir=ltr align=left><SPAN class=352080418-12022008>I have a metal building
wall construction with R-19 insulation between the girts.</SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=352080418-12022008></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=352080418-12022008>Now in ASHRAE 90.1-2004
Appendix A, Table A3.2 the single layer of mineral fiber only goes up to
R-13.</SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=352080418-12022008></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=352080418-12022008>Any suggestion on how to
determine the U-Factor for this wall?</SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=352080418-12022008></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=352080418-12022008>Thanks.</SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=352080418-12022008></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=352080418-12022008>Tim.</SPAN></DIV>
<DIV dir=ltr align=left> </DIV>
<DIV dir=ltr align=left> </DIV>
<DIV> </DIV>
<DIV style="FONT-SIZE: 9pt; FONT-FAMILY: Arial" align=left><B>Timothy
Howe</B><BR>Mechanical Engineer<BR>Stantec<BR></DIV></BODY></HTML>