6 inch 2 PC INSUL ATTIC RADIATION SHIELD (UP TO 12)
Two-Piece Insulated Attic Radiation Shield
It protects combustible materials when a chimney passes through an attic. It is imperative that it be installed overside, from the attic. Its cone shape keeps insulation from seeping between the outer casing and the firestop. It also maintains a 2" safety clearance from combustible materials.