Reflectix BP48050 Double Reflective Insulation, 50 ft L, 48 in W, R-3.7 to R-21 R-Value, Metallic Foil, Black

The Reflectix double reflective insulation is the most versatile, widely-distributed, energy-efficient product that we manufacture. The characteristics that make it so attractive include ease-of-handling and installation, more than 40+ commercial and residential construction applications and a large selection of product configurations to accommodate the vast majority of applications / buildings.