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eQuest under-slab insulation assemblies

asked 2015-07-24 15:30:06 -0600

jkjenner's avatar

updated 2015-07-26 18:08:16 -0600

I've been scouring the documentation and I can't find any description of the assemblies available as options for under-slab insulation in the "Building Envelope Construction" screen of eQuest's DD Wizard (see photo).

image description

For example, I'm not exactly sure what "horz int bd" describes/means. I'm wondering if anyone could point me toward some documentation that describes this...

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answered 2015-07-24 15:51:21 -0600

The options in eQuest come from work done by Winkelmann. This is described on page 11 of this document. Options are either "Horizontal" or "Vertical", and "Interior" or "Exterior". I assume "bd" stands for board, as in: rigid board insulation.

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Thanks Neal; still a little bit unclear, as the descriptions in eQuest don't correspond exactly with those in the document, but definitely helpful. I'm trying to model was is described in the document you link to as "perimeter" insulation; my best guess is that "horz int" is what I'm after...

jkjenner's avatar jkjenner  ( 2015-07-24 16:14:38 -0600 )edit

Yeah, I was kind of surprised to see some of the R-8 options. It must be using interpolated values from the table in the article.

Neal Kruis's avatar Neal Kruis  ( 2015-07-24 16:26:25 -0600 )edit
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answered 2015-07-24 15:51:30 -0600

You should check in either the eQ_Lib.dat, bdllib.dat, or usrlib.dat in your eQuest installation. I think any material/construction is described in one of those files and are imported into eQuest at runtime. The default materials and constructions are in bdllib.dat file. I don't know offhand if there is a way to view that information within eQuest itself, maybe someone else can answer that better.

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Asked: 2015-07-24 15:30:06 -0600

Seen: 757 times

Last updated: Jul 24 '15