Dupont Thermax White Finish Board 4' x 8' - All Sizes

The Dupont Thermax White Finish Board is a high-performance insulation solution designed for energy-efficient walls, ceilings, and roofs. Its rigid polyisocyanurate foam core and durable white aluminum finish provide superior thermal resistance and a clean, finished look without requiring additional covering. Lightweight and easy to install, Thermax boards are ideal for both commercial and residential applications, delivering reliable insulation and moisture resistance. Key Features: Brand: Dupont Size: 4' x 8' Finish: White Aluminum Material: Polyisocyanurate (PIR) Application: Walls, ceilings, roofs, and interior insulation Moisture Resistance: Excellent Fire Performance: Meets high fire resistance standards Easy Installation: Can be mechanically fastened or adhered   Thickness R-Value Sq Ft/Board 0.5" R3.3 32 0.75" R5 32 1" R6.6 32 1.5" R9.8 32 1.55" R10 32 2" R13 32 2.5" R15 32 3" R18 32