Reflectix 24 in. W X 10 ft. L X 0.31 in. R-3.7 to R-21 Reflective Radiant Barrier Insulation Roll 20

24 inch x 10 feet, square edge roll double bubble foil both sides, reflective insulation, 5/16 inch thick with two outer layers of aluminum foil, each foil layer is bonded to a tough layer of polyethylene for strength, reflects up to 97 percent of radiant. • R-valves range from R-3.7 to R-21 depending on application • Inhibits condensation and is class A-class 1 fire rated • Fiber free product not requiring protective clothing • Small roll, for quick projects, that is easy to handle and install • Shrink-wrapped •