Special-Lite SL-17 pebble grain doors were first designed to offer a solution to the school market by offering a door that would have a long, maintenance-free life for tough applications. With the SpecLite 3 fiberglass facesheet, this door is great for environments prone to scratches, graffiti, and impact. Applications include schools, universities, hockey arenas, hospitals, community centers, public buildings, metro and train stations. parking garages and police stations. Available in 30, 45, 60 or 90 minute fire-ratings.