What is the difference between fiberglass and cellulose insulation?
Cellulose insulation is manufactured almost entirely from recycled newspaper. This fact alone makes it popular as an environmentally green product. Because it is made with newspaper as its main input material, there are various chemical processes and additives that give it a fire resistant nature. While there is much speculation out there about its fire resistant ability, most seem anecdotal, as it has passed all government standards set by the CMHC and other various agencies. While we do not recommend the new addition of cellulose to your attic, I certainly would not worry too much about any existing insulation you now have. Fibreglass insulation, in manufactured with a high recycled content as well (they are the worlds largest user of recycled glass bottles), and is naturally fire resistant. This fact, along with price matching, has allowed fibreglass to become the dominant product used in Calgary and area attics. It has become the choice of new home builders, and most retro-fit comp
