That is the answer i was expecting to here. thanks for your input<br><br><div class="gmail_quote">On Thu, Apr 22, 2010 at 12:27 PM, Bruce Easterbrook <span dir="ltr"><<a href="mailto:bruce5@bellnet.ca">bruce5@bellnet.ca</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div bgcolor="#ffffff" text="#000000">
<font face="Times New Roman, Times, serif">That doesn't sound right.
Poured</font> concrete has an R-value around 0.08/inch. When
"effective" is used commercially it normally is a hocus pocus addition
for the mass effect but shouldn't be much more than 10%. eQuest would
calculate it as a lag effect based on the mass, so a steady state value
would be most appropriate.<br>
Bruce Easterbrook<div class="im"><br>
<br>
On 22/04/2010 10:38 AM, Rob Hudson wrote:
</div><blockquote type="cite"><div class="im">When creating a model, i noticed that the R-value of the
concrete i am using is the "effective" R-value, rated at 22. Should i
use this or should i ask the concrete manufacturer for a steady-state
R-value which will be much more accurate based on the materials?<br clear="all">
<br>
-- <br>
Rob Hudson<br>
</div><pre><fieldset></fieldset>
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<br></blockquote></div><br><br clear="all"><br>-- <br>Rob Hudson<br>