Cotton insulation?
Just wondering if anyone had any experience with recycled cotton insulation? Pros & cons?
We have an exposed area above our laundry room that needs to have batts put down to block off the ceiling over the garage. I'd prefer not to use fiberglass (which is what's there now,) b/c it's the laundry room, and exposed to the 'living space'. Thanks in advance. |
Sounds like good stuff from what I've read. Here's one how-to
Installing Ultra Touch (recycled cotton denim) insulation It seems like the only 'con' is the price. And maybe availability. I used some white fiberglass batts (Johns Manville) from Lowes last winter and I'm not sure, but they may have added some kind of acrylic coating or something to the fibers, since I was hot and sweaty (in the attic) and never really got the skin irritation that I normally get when I've installed fiberglass in the past.. I did use a mask, but could not use the goggles over my glasses, since they kept fogging up.. Just regular safety glasses without side blocks and no eye irritation at all. Maybe this is the reason?? Install Batt Insulation | How to install Fiber Glass Insulation "thermal and acoustical insulation made of long, resilient glass fibers bonded with an acrylic thermosetting Formaldehyde-free™ binder." |
I really like blown in cellulose, it's made out of recycled paper, cotton is one of the most heavily sprayed crops, so I wonder if there is something better we can do with old cotton.
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I noticed Lowes and Home Depot seem to stock R-19 UltraTouch denim. I'm thinking of using it for the crawlspace. The reviews I find online are positive. I wonder, has anyone here installed it since this thread was first posted in 2009. Any updates to share? How has it held up for you? Here is an Instructable on it: Installing Ultra Touch (recycled cotton denim) insulation. Seems pretty much the same process as fiberglass, but without the fiberglass... what's the downside?
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The only thing I can think of is the price and maybe the weight.?.
How does it compare $/SqFt wise with FG insulation? Looking at some of the install pics, it looks like pretty good stuff. |
I guess for batt type insulation its nice, but I'd still go with cellulose everywhere possible because of its price (last I checked the cotton was $$$) and it has a higher r-value per inch.
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Price Low R Value Poor hhygroscopic value Pros: Ease of installation? If cellulose isn't an option I'd just carefully install regular unfaced R-19 fibreglass and cover it with a vapor impermeable rigid insulation. Just imagine how nasty that stuff would be in 10 years. |
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Have you thought about doing a conditioned crawl space and insulating the crawl space wall and rim joist instead of the ceiling above? http://www.builditsolar.com/Projects...Space29238.pdf I did this on my crawl space, and it has worked out well. Gary |
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