Expanded Cork — The Greenest Insulation Material?

Subtitle:

All-natural expanded cork boardstock insulation is now available in North America

Images:

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I'm always on the hunt for the latest, most interesting, and most environmentally friendly building materials, and I have particular interest in insulation products — partly because many conventional insulation products have significant environmental downsides.

[1]: http://www.greenbuildingadvisor.com/sites/default/files/imagecache/blog-river/ICB_boards_MedRes.jpg (Expanded cork insulation)
[2]: http://www.greenbuildingadvisor.com/blogs/dept/energy-solutions/expanded-cork-greenest-insulation-material
[3]: http://www.greenbuildingadvisor.com/sites/default/files/imagecache/blog-river/CorkHarvesting_0783_MedRes.jpg (Harvesting cork)
[4]: http://www.greenbuildingadvisor.com/sites/default/files/imagecache/blog-river/Autoclave_0479_MedRes.jpg (Expanded cork insulation manufacture)
[5]: http://www.greenbuildingadvisor.com/sites/default/files/imagecache/blog-river/FireTesting_0956_MedRes.jpg (Fire testing of cork insulation)

URL: http://www.greenbuildingadvisor.com/blogs/dept/energy-solutions/expanded-cork-greenest-insulation-material