Article 731637 of misc.consumers.frugal-living: Path: news.misty.com!not-for-mail From: nicksanspam@ece.villanova.edu Newsgroups: misc.consumers.frugal-living Subject: Re: Wall insulation renovation Date: 17 Jun 2008 08:28:14 -0400 Organization: Villanova University Lines: 18 Message-ID: References: <1e952d3a-001b-4360-a5cb-38922cac6011@f63g2000hsf.googlegroups.com> NNTP-Posting-Host: acadia.ece.villanova.edu X-Trace: max.inside.misty.com 1213702014 30189 153.104.44.130 (17 Jun 2008 11:26:54 GMT) X-Complaints-To: abuse@misty.com NNTP-Posting-Date: Tue, 17 Jun 2008 11:26:54 +0000 (UTC) Xref: news.misty.com misc.consumers.frugal-living:731637 James wrote: >> >The R Value of air Krete is 3.9 per inch... >> >> That's very hard to believe. >> >According to their website, they had Dynatech, an independant lab test >it. The results for a 1.63 inch slab at 75 degrees was R of 6.3, which >approximates 3.9 per inch. Icynene claims similar results... > >You have an experience to contradict their statements? No. I confused it with R1.05 "aerated concrete." Air Krete is interesting, at 2.07 lb/ft^3. And $2/ft^2 vs 20 cent fiberglass in a 2x6 wall? Does that include the wire mesh? Nick