The Dupont Thermax Heavy Duty Board is a premium-grade insulation panel engineered for demanding applications that require exceptional durability, fire resistance, and thermal performance. Constructed with a rigid polyisocyanurate (PIR) foam core and reinforced heavy-duty aluminum facers, this board offers superior insulation while maintaining structural strength. Ideal for industrial facilities, warehouses, commercial buildings, and exterior walls, Thermax Heavy Duty provides long-term energy efficiency and moisture protection even in the most challenging environments. Key Features: Size: 4' x 8' (Standard Sheet) Finish: Heavy-Duty Aluminum Facing Material: Polyisocyanurate (PIR) Thermal Efficiency: High R-values for excellent insulation Strength: Enhanced compressive strength for demanding applications Application: Industrial walls, roofs, and commercial insulation projects Fire Resistance: Superior fire performance for exposed interior use Moisture Resistance: Exceptional resistance to water absorption Installation: Can be fastened or adhered for easy, secure application Thickness R-Value Sq Ft/Board 0.5" R3.3 32 0.75" R5 32 1" R6.5 32 1.5" R9.8 32 1.55" R11.4 32 2" R13 32 2.5" R15 32 3" R18 32
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