Insulative Sheathing

Pactiv Building Products’ GreenGuard extruded polystyrene PLYGOOD R-2 insulative sheathing meets the increased wall insulation requirements of the 2009 International Energy Code. The extruded polystyrene board features a polystyrene foam core and field-proven, durable plastic film facers. It is 7/16 inches thick and available in 4- by 8-foot and 4- by 9-foot sizes.