So, after you’ve decided that it’s time to replace your roof insulation, the next step is to determine the best application method. Typically, you’ll choose from three application methods: expanding blown-in insulation (fiberglass and cellulose), rigid polyiso insulation, and rolled batt insulation (fiberglass and cellulose). Each of these applications offers different benefits and energy-efficiency levels. Our experts will work with you to help determine the best choice for you.