[Equest-users] Aluminum infill panel behind the glass

[Morteza Kasmai]

Many thanks Tim,

I cannot select any table in ASHRAE appendix A for this type of wall. How
can I select U-factor for this wall?

Regards,

Morteza





On Fri, Aug 16, 2013 at 3:26 PM, Howe, Timothy <Timothy.Howe at stantec.com>wrote:

> Spandrel isn’t vision glazing and should not be modeled as a “window”.  It
> is a particular opaque wall type that should be modeled as a wall.  The
> only difference is that instead of having a brick, EFIS, stone, metal
> panel, etc., the exterior surface in a spandrel wall assembly is glass.***
> *
>
> ** **
>
> Tim.****
>
> ** **
>
> *Timothy Howe, MS, BEMP, LEED® AP BD+C*
> Mechanical Engineer
> Stantec****
>
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> Rochester NY 14614
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> *From:* equest-users-bounces at lists.onebuilding.org [mailto:
> equest-users-bounces at lists.onebuilding.org] *On Behalf Of *Morteza Kasmai
> *Sent:* Friday, August 16, 2013 3:10 PM
> *To:* equest-users at lists.onebuilding.org
> *Subject:* [Equest-users] Aluminum infill panel behind the glass****
>
> ** **
>
> Hello all,****
>
> Attached is a part of wall section of the proposed model of office
> building anticipated LEED silver certification. ****
>
> 8-43 is Alum. Curtain wall system (KAWNEER CLEARWALL) fritted pattern on
> #2 clear glazing surface and painted spandrel on #4 clear glazing (U-0.48,
> SHGC-0.39) and 8-45 is Aluminum infill panel with 2” rigid insulation.****
>
> I am assuming this part as spandrel glass in the proposed model. How can I
> add the effect of 8-45 that is behind the glass?****
>
> I would appreciate your comments.****
>
> Morteza****
>
> [image: Inline image 1]****
>
> ** **
>
>
> ****
>
> ****
>
> ** **
>
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