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Matt,<br>
It depends a bit on what you have above and below the floor...<br>
<br>
1. if you have a floor above the joists but nothing below them (ie
there is no ceiling in the zone below) then I would ignore the joists
and only treat the layers of the floor in the model (flooring and
subfloor).<br>
<br>
2. if the joist cavities are insulated, you can either figure out the
total floor area that is flooring, subfloor, joist web, ceiling and the
total floor area that is flooring, subfloor, insulation, ceiling and
have two different "wall" types. Or you can ratio the two areas and
come up with an equivalent material. This second option is how those
TESS 2x4 stud walls were created).<br>
<br>
3. if you have a floor above and a ceiling below but no insulation be
careful not to just use the equivalent thinkness of air in the cavity
as an insulator. The R-value for air that is typically reported is for
stagnant air and floor cavities are not sealed enough for that air to
be stagnant. You'll end up with much too high an insulating layer.<br>
<br>
Kind regards,<br>
David<br>
<br>
<br>
Matt Fung wrote:
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<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">What layers should I use
to create a TJI floor or are there
already layers created in the library that can be used (ie TESS 2x4
stud wall)?
Thanks.<o:p></o:p></span></font></p>
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style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>
<p style="margin: 0in 0in 0.0001pt;"><st1:PersonName w:st="on"><b><font
color="black" face="Arial" size="1"><span
style="font-size: 9pt; font-family: Arial; color: black; font-weight: bold;">Matt
Fung</span></font></b></st1:PersonName><o:p></o:p></p>
<p style="margin: 0in 0in 0.0001pt;"><i><font color="black"
face="Arial" size="1"><span
style="font-size: 9pt; font-family: Arial; color: black; font-style: italic;">Associate
Engineer</span></font></i><o:p></o:p></p>
<p style="margin: 0in 0in 0.0001pt;"><font face="Times New Roman"
size="3"><span style="font-size: 12pt;"><a moz-do-not-send="true"
href="http://www.consol.ws/"><span style="text-decoration: none;"><img
id="_x0000_i1025" src="cid:part1.02060002.03040403@tess-inc.com"
border="0" height="49" width="80"></span></a><o:p></o:p></span></font></p>
<p style="margin: 0in 0in 0.0001pt;"><st1:Street w:st="on"><st1:address
w:st="on"><font color="black" face="Arial" size="1"><span
style="font-size: 8.5pt; font-family: Arial; color: black;">7407 Tam
O’Shanter Drive</span></font></st1:address></st1:Street><o:p></o:p></p>
<p style="margin: 0in 0in 0.0001pt;"><st1:place w:st="on"><st1:City
w:st="on"><font color="black" face="Arial" size="1"><span
style="font-size: 8.5pt; font-family: Arial; color: black;">Stockton</span></font></st1:City><font
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<p style="margin: 0in 0in 0.0001pt;"><font color="black" face="Arial"
size="1"><span
style="font-size: 8.5pt; font-family: Arial; color: black;">Phone:
209.473.5000 / Fax: 209.474.0817</span></font><o:p></o:p></p>
<p style="margin: 0in 0in 0.0001pt;"><font color="#fd9400"
face="Arial" size="1"><span
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moz-do-not-send="true" href="mailto:MFung@ConSol.ws"><font
color="#fd9400"><span
style="color: rgb(253, 148, 0); text-decoration: none;">MFung@ConSol.ws</span></font></a></span></font><o:p></o:p></p>
<p style="margin: 0in 0in 0.0001pt;"><font color="#fd9400"
face="Arial" size="1"><span
style="font-size: 8.5pt; font-family: Arial; color: rgb(253, 148, 0);"><a
moz-do-not-send="true" href="http://www.consol.ws/"><font
color="#fd9400"><span
style="color: rgb(253, 148, 0); text-decoration: none;">www.ConSol.ws</span></font></a></span></font><o:p></o:p></p>
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<p style="margin: 0in 0in 0.0001pt;"><b><font color="black"
face="Arial" size="1"><span
style="font-size: 8.5pt; font-family: Arial; color: black; font-weight: bold;">You
can call me directly at 209.473.5002</span></font></b><o:p></o:p></p>
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