FireStar® fire-rated doors provide a practical and innovative solution to safety and fire protection for high traffic areas. Rolling Steel Fire Doors can be drop-tested and reset at any time by anyone, thanks to a standard auto-reset feature. Model 700C is an insulated rolling steel fire door with a non-combustible mineral wool insulation that has a flame spread and smoke development of 0, further aiding in the protection of the building. Both fire-rated doors feature a forward-thinking design that outperforms industry standard fire doors in all areas, including auto-reset testing capability; smooth, quiet operation; and reliable, long-lasting performance.