Perma-Core CS Features PermaTherm's Unrivaled Z-LOCK joint and is the preferred choice for coolers and freezers. Only Perma-CORE offers notched freezer panels. The ultimate way to prevent thermal bridging and save you countless hours of field cutting! Panel Use: Walls, Partition Walls, Ceilings, Coolers, Freezers Profiles: Light Mesa, Standard Mesa, Classic Shadow Line, Sleek Coverage Width: 45.5" Available Thickness: 4" 6" 8" Length: 8'-0" TO 50'-0" Metal Gauge: 26, 24 Metal Type: Galvanized Texture: Stucco Embossed or Smooth Paint Type: Siliconized Polyester Core: Polyisocyanurate Insulation R-Value: R-8 Per Inch of Thickness (Nominal)