Xci 286 is an energy-efficient rigid foam insulation composed of a polyisocyanurate foam core manufactured online to glass fiber reinforced foil facers. This 4 ft x 8 ft panel is designed for exposed interior walls or ceilings in commercial, residential, industrial, agricultural, and metal-building applications.

Key Features & Design

• Core & Facers: polyiso foam core with glass fiber reinforced foil facers. Both sides reinforced foil, one side reflective, one side white; either side Hunter may be left exposed to the interior.
• Intended Use: designed for exposed interior walls or ceilings; suitable for new construction or interior retrofit within existing buildings.
• Fire & Code Compliance: NFPA 286 Corner Burn Test for walls or ceilings (with or without joint treatment) allowing exposure up to 3.5" thick; NFPA compliance with CMU, Concrete, Steel Stud and Fire Retardant Treated Wall types; UL 1715 with up to 8" for ceilings; Flame spread 25 per ASTM E 84.
• Performance & Sustainability: Xci products deliver high R-values per inch; NexGen Chemistry: Zero Ozone Depleting Potential (ODP); Contains no CFCs or HCFCs; Virtually zero Global Warming Potential (GWP).
• R-Value by Thickness: 1" — R-6.3; 1.5" — R-9.5; 2" — R-13; 2.5" — R-16; 3" — R-19.
• Panel Size & Coverage: 4 ft x 8 ft panels; Sq Ft per bundle varies by thickness: 1" 1,536; 1.5" 1,024; 2" 768; 2.5" 608; 3" 512.

With its strong fire performance, impressive R-values per inch, and interior-exposure versatility, Xci 286 is a practical choice for builders and remodelers aiming to improve comfort and energy efficiency without complicating installation.