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<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Arial Narrow","sans-serif"; color:#44546A">For glass walls (I am assuming you are referring to a curtainwall assembly of some sort) the best practice (in order to get solar heat gain and daylight)
 is to model them as a window – a child component housed within a wall (parent component). The trick is you have to make your windows minutely smaller than the parent wall – otherwise you will get an error.
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<p class="MsoNormal" style="line-height:12.0pt"><b><span style="font-size:9.0pt; font-family:"Futura LT Book"; color:#E33B45">Vikram Sami</span></b><span style="color:#44546A"><br>
</span><span style="font-size:7.0pt; font-family:"Futura LT Book"; color:#666666">BEMP, LEED BD+C</span><span style="font-size:9.0pt; font-family:"Futura LT Book"; color:black"> </span><span style="color:#44546A"><br>
</span><span style="font-size:9.0pt; font-family:"Futura LT Book"; color:#666666">Associate Partner</span><span style="color:#44546A"></span></p>
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<p class="MsoNormal" style="line-height:12.0pt"><span style="font-size:9.0pt; font-family:"Futura LT Book"; color:#666666">ZGF ARCHITECTS LLP</span><span style="color:#44546A"><br>
</span><b><span style="font-size:7.5pt; font-family:"Futura LT Book"; color:#E33B45">T
</span></b><span style="font-size:9.0pt; font-family:"Futura LT Book"; color:#666666">206.521.3509
</span><b><span style="font-size:7.5pt; font-family:"Futura LT Book"; color:#E33B45">E
</span></b><span style="font-size:9.0pt; font-family:"Futura LT Book"; color:#666666">vikram.sami@zgf.com</span><span style="color:#44546A"><br>
</span><span style="font-size:9.0pt; font-family:"Futura LT Book"; color:#666666">925 Fourth Avenue, Suite 2400
<br>
Seattle, WA 98104</span><span style="color:#44546A"></span></p>
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<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-bounces@lists.onebuilding.org [mailto:equest-users-bounces@lists.onebuilding.org]
<b>On Behalf Of </b>katia<br>
<b>Sent:</b> Sunday, April 06, 2014 3:01 AM<br>
<b>To:</b> eQuest help<br>
<b>Subject:</b> [Equest-users] Simulation error due to thickness</span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">Dear equest-users,<br>
 <br>
While entering my real exterior walls layer by layer and simulating, I'm obtaining an error:<br>
 <br>
"Cannot simulate layers as given. Walls thickness is too thin or too light"<br>
 <br>
In fact, my exterior walls are glass walls with a thickness of 1.5 cm only!<br>
 <br>
How can I solve this problem?<br>
 <br>
Thank you<br>
 <br>
KL</span></p>
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