Dupont Thermax Heavy Duty 4' x 8' - All Sizes Thickness:1" does not rot

does not rot

It is made from bio-based and renewable materials and contains no formaldehyde or harsh chemicals

100% Natural & SustainableMade entirely from ethically sourced

each 13-1/4" x 9-27/32"

dispense product from cylinder while it is still warm

Dupont Thermax Heavy Duty 4' x 8' - All Sizes Thickness:1" does not rotThe 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,