Johns Manville R-13 2-in x 4-ft x 8-ft AP Foil Faced Polyisocyanurate For Use in Garage Doors Board Insulation 90014714

Johns Manville AP Foil-Faced Foam Sheathing board is rigid polyisocyanurate foam sheathing that provides exceptional heat, moisture and air control to protect your building’s exterior walls, and when installed correctly, eliminates all major thermal bridges that cause heat loss. Continuous exterior sheathing required per building codes in many states.