Superior - Firestop Spacer - 6SPFS is a fire-rated spacer designed to provide a fire-resistant barrier between combustible materials. It is made from a fire-resistant material, such as aluminum or steel, and is designed to resist the passage of flames, smoke and hot gases. The 6SPFS has a 6” spacing between the combustible materials and the firestop spacer, which helps to ensure the integrity of the firestop system. The 6SPFS is suitable for use in interior and exterior wall assemblies, floors, ceilings and other applications. It is designed to help protect against the spread of fire and smoke, and helps to maintain the integrity of the building envelope.