David Bell Talks Spray Foam Insulation

On this week's HBA Green Building Podcast:

• Congress poised to allow key energy efficiency building tax credit expire.
• 1,000 Certified Green Professionals nationwide - Eleven are in the Ozarks.
• More homeowners tap into green design features.
• Fair Grove R-X school district renovates buildings "green."
• Insultech's David Bell talks spray foam insulation.