48-in x 25-ft Double Reflective Roll Insulation An easy-to-install 48-in wide double reflective, double bubble insulation designed for large square footage applications R-values range from R-3.0 to R-21 depending on the installation Energy-saving residential applications include: cathedral ceiling, crawl space, radiant floor, wall, HVAC duct, water pipe, garage door, knee wall and water heater A tape measure, staple gun, utility knife and safety glasses are all you need for installation (not included) A fiber and itch free insulation product Class A/Class 1 fire rating Inhibits condensation and resists growth of fungi, mold and mildew No nesting characteristics for birds, insects or rodents Made at an ISO 9001:2008 manufacturing location Reflectix Double Reflective Roll Insulation (48-in x 25-ft)