Johns Manville R-6 1-in x 4-ft x 8-ft AP Foil Faced Polyisocyanurate Board Insulation 90034729

Johns Manville R-6 1-in x 4-ft x 8-ft AP Foil Faced Polyisocyanurate Foam Board Insulation

• Lightweight: easy to handle, can be cut with a utility knife or saw
• High Energy Efficiency: Polyiso has the highest R-value per inch of any rigid board insulation
• Low Permeability: Ideal for controlling condensation in walls
• Does not melt when exposed to flame versus other types of rigid foam board (ASTM E84)
• Meets both CFC- and HCFC-free specification requirements

AP foil-faced polyiso foam sheathing provides continuous insulation for maximum efficiency, as well as exceptional moisture, heat and air control. It features a reflective foil facer on one side and a nonreflective facer on the other.