Anyone installed ultra touch Denim cotton insulation yet fiberglass free eco friendly, any thoughts on installation and what about vapor barrier you guys using plastic over it ?
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Our dense pack sub used to use it to insulate rim joists. Cool looking stuff, but the R-value vs. cost makes it a tough sell. Like any batt-type insulation, it's difficult to fill the bays properly. No plastic, but you shouldn't be using plastic now anyway--the latest information is that the Airtight Drywall Approach is better at managing vapor transmission.
thank Mike
Hey Mike-
Are there any studies in particular that you refer to in regards to ADA? Some of the building inspectors around here (northern NJ) are hesitant to do away with a poly vapor barrier, but I'd prefer not to use it. I was wondering what data I can provide them with to persuade them that ADA works just as well (and perhaps better, in terms of drying).
bk24, you can peruse buildingscience.com and greenbuildingadvisor.com, as well as the archives of Breaktime and of Fine Homebuilding's homepage, to get a lot of information. ADA is not a foolproof system but neither is plastic.
Thanks Mike. Those are the two sites that I frequent. I didn't know if there were any others out there. As you say, it's all about the details. I believe that if done right, ADA is a great approach, especially when dense packing with cellulose.
Edited 10/9/2009 4:37 pm ET by bk24