Designed for immediate insulation and weather protection on the job site, as well as long-term thermal performance, DuPont^™ Thermax^™ XARMOR^™ (ci) Exterior Insulation is a rigid foam board insulation with a glass-fiber-reinforced polyisocyanurate foam core that helps improve fire performance and dimensional stability. The core’s tough, 4-mil gray exterior facer provides durability and long-term performance.

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 polyiso insulation product line and an R-Value that’s proven to be consistent over time and a range of temperatures.