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Non-toxic Foam Insulation

9th May 2007

Non-toxic Foam Insulation

posted in Cool Products, Going Green, How to, Insulation |

Insulating your homeI am always on the look out for new products for my home and I, like many other folks, have begun to realize that choosing environmentally friendly products is not only in my personal best interest, but also benefits the community as a whole. 

In my web wanderings I ran across a type of home insulation I haven’t seen before. It’s called Retrofoam. Unlike the polyurethane or icynene foams (which I HAVE seen before), Retrofoam is a tri-polymer resin that is supposedly non-toxic and environmentally friendly.  It is a dry powder that is activated with water and then installed with a type of air compressor. And, like some other insulations, it can be installed through holes made on the outside of the home, either through the existing siding, or by taking off a row of siding, making no mess on the interior of the home. The holes are then patched and painted and, if done well, it is very hard to tell where the holes are. (In our previous home, a 1904 Portland four-square, we had cellulose blown-in and we had to search for the patched holes to see them).

As I read more about the product, I decided to find out if there was a dealer in the pdx area. To my surprise, there is not one…YET. They are looking for new dealers (hey, is anyone interested in a business opportunity?) and I will be keeping tabs to see if they come this way.  Until then, here is a youtube link showing how it works (sorry I was not allowed to embed it in my post).

In addition, here is a link to The Natural Handyman, who does a great job of explaining the different types of insulations that are out there (these types ARE in Portland), the benefits of insulating your home, how much you need, and do-it-yourself tips. 

In addition, the Energy Trust of Oregon has incentives for you to insulate your home:

  • Electrically heated homes: Up to $750 for floor, wall, and attic (or ceiling)–$250 per area 
  • Gas heated homes:  Up to $600, floor, wall, and attic (or ceiling)–$200 per area

There are currently 3 responses to “Non-toxic Foam Insulation”

Have an opinion or comment? Share it here!

  1. 1 On February 12th, 2008, Bruce Westfall said:

    Do you have any type of least 1 Inch foam board that i can use inside the Cold Frame for garden?

    We don’t want any type of toxic release from the ground and hot air inside the Cold Frame?

  2. 2 On February 12th, 2008, Jody said:

    I don’t know of any type of product on the market like a rigid, non-toxic foam that would be suitable for a cold frame. There are cotton insulations you can purchase made out of denim jeans, but I’m not sure how you would install it in this type of situation. I have heard of people surrounding their cold frame with bricks and soil to hold the day’s heat and help keep the plants warm.

    Anybody else have any ideas out there?

  3. 3 On April 10th, 2008, Jack Davis said:

    Check out airkrete if you are seriously looking for a foamed-in place insulation. It’s pumped in like other foams, but unlike other foams which are polyoy/iscyanuarte based materials, airkrete is a cementatious foam product. I’ll spare you the details as lots of self-serving Internet sites can explain what this means better than I. Airkrete (as opposed to aircrete, a totally different product) is touted to be 100% non-toxic. It’s also a 2 hour fire barrier and is auto hydrating (it allows moisture to pass) so condensation in the walls is not an issue. But it is not inexpensive.
    Also, just an FYI regarding so-called soy-based foams. Oil is oil is oil as far as these systems are concerned. Don’t be suckered into believing that just because it’s not petroleum based it’s somehow more “green,” Ain’t necessarily so!

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