Ever wondered exactly how Roxul insulation is made and what its made up of? This Discovery Channel video takes you behind the scenes to our factory floor to.<br />Ever wondered exactly how Roxul insulation is made and what its made up of? This Discovery Channel video takes you behind the scenes to our factory floor to .<br />How Its Made - Play list season 16 : How Its Made - Play list season 14 : The show is presented on the Science .<br />this does not belong to me it belongs to its rightful owner.
