Thermamax Dupont 2.5 inch Thermax Sheathing

DuPont Thermax Sheathing is a multipurpose, nonstructural, rigid board insulation that is quick and easy to install in a wide range of exposed and concealed cavity wall applications. It consists of a glass-fiber-infused polyisocyanurate foam core laminated between 1.0-mil smooth, reflective aluminum facers on both sides. The glass fiber reinforcement contributes to improved fire performance and dimensional stability. DuPont Thermax Brand insulation delivers wall performance you can count on. It’s ready to meet your toughest building challenges – both outside and inside the wall – with a robust ISO insulation product line and an R-value that’s proven consistent over time and a range of temperatures.

• Easy to cut, handle, and install
• Easy to use
• Moisture resistant
• Helps reduce the potential for condensation within the wall assembly
• Use in exterior and interior applications
• Can be installed exposed to the interior without a thermal barrier
• Seal with DuPont LiquidArmor and DuPont DuraGard CM
• Provies air and water protection
• Long-term thermal resistance
• R-Value of 15.8 at 2.5" thickness

• Type: Sheathing
• Nominal Board Thickness: 2.5 inch
• R-Value: 15.8
• Board Size: 4 x 8 ft
• Edge Treatment: Square Edge, Shiplap