Tag Archives: Extruded polystyrene

XPS delivers high R-values in below-grade applications

A new study from the Alaska University Transportation Center, University of Alaska Fairbanks, recently reported on R-values measured on insulation removed from below-grade applications in harsh climates. This supplements data from two previous similar research projects. All the three studies reported the in-service R-values per inch of extruded polystyrene (XPS) and expanded polystyrene (EPS) insulation installed under roads and airport runways with the time in-service ranging from one to 31 years.

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Next-generation precast insulated wall panels

Research is ongoing to advance precast concrete insulated wall panel technology by developing materials and design to double its thermal performance and reduce weight by half without increasing costs. The main goal of this project is to promote passive envelope technologies for improving energy efficiency in new construction.

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