Designed for immediate insulation and weather protection on the job site, as well as long-term thermal performance, DuPont™ Thermax™ (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 homogenous core features finer cell size and better cell orientation, reducing wormholes and knit lines. The result is one of the highest R-values available (R-6.5 at 1”). The core’s tough exterior foil facers – nominal 1.25-mil embossed BLUE™ thermoset-coated aluminum on one side and 0.9-mil smooth, reflective aluminum on the other – provide 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.
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