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Old 10-29-2019, 07:37 PM   #1
Mini-Skoolie
 
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Aerogel Insulation?

Hey yall. Just wondering if anyone here has ever heard of/used Aerogel insulation before, why or why not. Considering putting it in my e350 short conversion - headroom is at a premium and an R value of 10.3/inch is appealing. Worth a bit higher of a price tag to me if it'll help keep me cold during these Michigan winters. Also planning on using an Espar gasoline heater, don't worry.

If you're unfamiliar, here's a basic description https://www.aerogel.com/resources/about-aerogel

Thanks in advance
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Old 10-29-2019, 07:45 PM   #2
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Originally Posted by LoveBusTreatery View Post
Hey yall. Just wondering if anyone here has ever heard of/used Aerogel insulation before, why or why not. Considering putting it in my e350 short conversion - headroom is at a premium and an R value of 10.3/inch is appealing. Worth a bit higher of a price tag to me if it'll help keep me cold during these Michigan winters. Also planning on using an Espar gasoline heater, don't worry.

If you're unfamiliar, here's a basic description https://www.aerogel.com/resources/about-aerogel

Thanks in advance
Aerogel is pretty convenient because in addition to being R4 per 10mm (or R10 per inch), it costs about $1 per R value per square foot - which is really expensive. My living space is going to be about 175 sq. ft. so just doing an inch on the floor would be $1750 and the entire bus might be three times that.

On a shorty maybe this is more affordable, of course.

I've often fantasized about somehow coming across a cache of cheap aerogel scraps, like eight inches wide or something like that, and building prefab insulated flooring panels with them. But I've never come across anything like that; even the one-foot scraps on eBay are as pricey as the bigger chunks.
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Old 10-29-2019, 08:53 PM   #3
Mini-Skoolie
 
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That is to be considered. I was thinking of doing 3mm on roof, floor, and in window coverings for same R value as traditional batting or foamboard with way less headroom sacrificed, and maybe 6mm on the walls - totaling about $1200 in my estimates for my humble build of about 300ft^3. Pricey, but more environmentally friendly, less hazardous for health, better R value per square inch, and completely resistant to mold/moisture. I guess the old saying abides, you get what you pay for.
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Old 10-29-2019, 08:54 PM   #4
Mini-Skoolie
 
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Also looked into soybean sprayfoam, couldn't find it anywhere!
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Old 10-30-2019, 12:16 AM   #5
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Also looked into soybean sprayfoam, couldn't find it anywhere!
Demilac is a company that makes Soy based spray foam or so they say. Not sure what percent, or if it's actually environmentally "friendly" but it made me feel better.
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Old 10-30-2019, 07:22 PM   #6
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Thanks. I don't see anything on their website that says it's soy-based, just polyurea, etc. I don't know many languages, but that sounds like "many urines" to me! :P
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Old 10-30-2019, 11:43 PM   #7
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Thanks. I don't see anything on their website that says it's soy-based, just polyurea, etc. I don't know many languages, but that sounds like "many urines" to me! :P
Interesting. Your right, but I read about it this summer. They must have changed their product. It did note they used some recycled content, so at least there's that
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