Hunter Xci Foil (Class A)

ca ss b no insulation inbewtween studsHunter Xci Foil (Class A)

Xci Foil (Class A) is an exterior wall insulation panel composed of a Class A rigid polyisocyanurate foam core manufactured on-line to reinforced foil facers on both sides. It is designed for use in commercial wall applications to provide continuous insulation within the building envelope.


  • Polyiso offers increased R-Value per inch vs. mineral fiber, XPS or EPS options
  • Designed for use in continuous insulation to assist in meeting the most current ASHRAE 90.1, IECC, IBC and IRC standards
  • Can be installed directly on steel studs in a variety of wall assemblies without the need for gypsum sheathing
  • Flame spread of 25 per ASTM E 84
  • Provides R-Values from 6.3 to 22.0 in a single layer
  • Superior fire performance, durability and dimensional stability
  • Exterior facer treated with non-reflective coating

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Product information

Specification Information

NFPA 285 Compliant Wall Assemblies


Installation Information

Case Studies