The California Energy Commission (CEC) now recognizes open-cell spray foam as an accepted insulation in the CEC’s 2008 Building Energy Efficiency Standards. This decision enables open-cell spray foam to join closed-cell spray foam and other insulations already recognized by California’s 2008 energy code.
Read more [1]
Links:
[1] http://sprayfoam.com/npps/story.cfm?nppage=1010