Fire rated drywall.

Fire Resistance Ordinary Drywall:Provides minimal fire resistance.Typically rated for 30 minutes of fire resistance when installed properly.Fire-Rated Drywall (Type X or Type C):Designed to slow down fire spread.Type X: At least 1-hour fire resistance when used in a fire-rated assembly.Type C: Improved version, with even better fire resistance and less shrinkage under heat.. Core Composition Ordinary Drywall:Made of gypsum and paper.Lighter and easier to cut or hang.Fire-Rated Drywall:Contains glass fibers, non-combustible additives, and denser gypsum.These materials hold the board together longer during a fire.. Where They’re Used Ordinary Drywall:Common in living rooms, bedrooms, and general interior walls.Fire-Rated Drywall:Required by building code in areas like:Garages attached to homes Walls and ceilings between a house and an attached garage Utility rooms, furnace enclosures Multi-unit dwellings or basement suites.