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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I agree with Daniel on this one.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">If you wanted to go above and beyond, you could check out Table A3.3 in the section A tables of 90.1 since it has effective overall U-factors and R-values for
different construction types and insulation applications – to include steel framing @ 16 o.c. and 24 o.c.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">You can select from the insulation R-values for each construction type and from there you can get the overall U-factor for the entire wall assembly which might
also come in handy for any detail edits you might need to make.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">There is also an R-value calculator online that will allow you to model each wall component and calculate the overall/composite R-value of the system. It might
just be interesting to compare it to the ASHRAE 90.1 numbers in Section A tables or other values online.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Book Antiqua",serif;color:#1F497D">Chris Baker<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Book Antiqua",serif;color:#1F497D">CCI Alliance of Companies<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Book Antiqua",serif;color:#1F497D">Fort Wainwright, Alaska<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Book Antiqua",serif;color:#1F497D">907-356-1681 (x105) office<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Book Antiqua",serif;color:#1F497D">907-750-4922 cell<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Equest-users [mailto:equest-users-bounces@lists.onebuilding.org]
<b>On Behalf Of </b>Morteza Kasmai via Equest-users<br>
<b>Sent:</b> Wednesday, July 19, 2017 6:16 AM<br>
<b>To:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> [Equest-users] Effective Insulation/Farming Layer R-Value Value<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#274E13">There is a wall section in this project with 4” thick interior polyurethane spray foam inside the metal studs.</span><span style="color:#274E13"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#274E13">Since Table A9.2B of ASHRAE 90.1 does not provide the effective insulation/framing layer R-Value for this type of insulation, how can one calculate this value?<br>
<br>
Your thoughts and suggestions would be highly appreciated,<br>
Morteza </span><span style="font-family:"Tahoma",sans-serif;color:#274E13"><o:p></o:p></span></p>
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