[Greenbuilding] Bio-Based Foam Insulation

[Best Abode]

Has any one used the bio-based (soy) spray foam insulation?
How hard was it to use and has it performed as well as the urethane foams?
If you respond please let me know if you used closed cell or open cell foam. I am looking at both applications for exterior and interior.
Also, looking for a contractor for bio-based foams in the Madison WI area or is there a DIY kit that is available.]

Thanks
Bestabode




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"It is horrifying that we have to fight our own government to save the environment."
- Ansel Adams, photographer (1902-1984)