CGC - 1/2" SHEETROCK Firecode Core (Type C) Drywall Gypsum Panel, 4' x 10' (see Delivery Disclaimer) This product is manufactured specifically to increase the integrity of the core under fire exposure, resulting in improved fire protection over standard gypsum panels. Systems using SHEETROCK® Brand FIRECODE® Type C Gypsum Panels exceed the definition of ASTM & CSA standards for fire-rated (Type X) drywall. Type C panels qualify for fire ratings of up to 4 hours in walls & columns and 3 hours in ceilings. Benefits are: Fire-Resistant Dry Construction Quicker and Easier Installation Reduces Strain and Fatigue Easy to Score and Snap Tapered Edges for Cleaner Finishing Once primed, can be Painted, Wallpapered, or Textured for the desired look. A Product of Canada. Data Sheet