A whopping 85% of American homeowners are lining their attics with fiberglass insulation as their insulation material of choice, making the glass fiber cotton candy look-a-like the top-selling insulator by a landslide. In which case, what’s made fiberglass such a popular household staple for the past several decades? Here’s a list of the top five benefits that homeowners who have used fiberglass for their attic insulation installation will enjoy. 1) It’s Both Moisture-Resistant and Fire-Resistant Among the many risks that…