Under Joist Insulation, Foil/Double Bubble/Foil, 24 in x 125 ft w/ tabs
Under Joist reflective insulation consists of a double layer of polyethylene bubbles, sandwiched between two highly reflective surfaces. This product has been specifically designed for insulating residential wall and ceiling assemblies. All products in this line are classified as Class 1/Class A in accordance with the ASTM-E84 fire test standard.