See How Building Science Was Used to Achieve Enhanced Efficiencies in Home Construction | Green Builder Media
2015-10-23 1 Dailymotion
Check out this video on how to deliver up to R-34 in a 2x4 building construction configuration.<br /><br />Read more: http://bit.ly/1S0GME5<br /><br />? 2015 | 3BL Media/Green Builder Media | All Rights Reserved