[BLDG-SIM] blown-in cellulose vs batt insulation
Jeff Haberl
jeffhaberl at tees.tamus.edu
Sun Jun 24 18:10:43 PDT 2007
FYI.
There are also the PhD Theses by Sovik Bhattachara and Mingshing Liu from Texas A&M, both of these have one or more ASHRAE papers, and are based on laboratory results. Also, Joe Lstiburek has been studying this issue...and may have some reports as well. Bottom line, the "effective u-value" can vary significantly, and is influenced building pressureization/depressurization, mode (heat or cool), and exposure to incident solar radiation.
Jeff
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Jeff S. Haberl, Ph.D., P.E.............................jhaberl at esl.tamu.edu
Professor......................................................Office Ph: 979-845-6507
Department of Architecture.......................Lab Ph: 979-845-6065
Energy Systems Laboratory.......................FAX: 979-862-2457
Texas A&M University..............................77843-3581
College Station, Texas, USA.......................URL: www-esl.tamu.edu
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----- Original Message -----
From: BLDG-SIM at gard.com <BLDG-SIM at gard.com>
To: BLDG-SIM at gard.com <BLDG-SIM at gard.com>
Sent: Wed Jun 20 10:28:59 2007
Subject: [BLDG-SIM] blown-in cellulose vs batt insulation
Hi all,
Does anyone know of published measured data comparing infiltration rates with batt versus wet blown-in cellulose insulation in a stud cavity? I have one study by David Yuill that was very informative, but I'd like to find some additional sources.
Thanks,
Aleka
--
Aleka Pappas
Enermodal Engineering, Inc.
Denver, CO
tel: 303.861.2070
fax: 303.830.2016
www.enermodal.com <http://www.enermodal.com/>
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