It's energy efficient, environmentally-friendly and has been used exclusively by Attic Master Insulation in Edmonton and area since 1977. What is it? Weathershield cellulose insulation, of course. It's manufactured right here in Edmonton by Can-Cell Industries. You can learn more about Weathershield insulation by tuning in to 630 CHED's "Talk to the Experts" this Saturday, November 15, at 12noon.