A pure smooth, gray projector screen material with black backing. With its special design gray base material and reflective surface, the Slate Gray projector screen material is able to provide very good black levels without sacrificing the white level output to maintain a deep contrast ratio with great details and sharpness to the image. This screen surface is best used when there is good control of ambient light and a moderately wide viewing angle is desired. Popular applications would be rooms with controlled lighting but with some ambient or reflected light off of walls or ceiling, such as a family room or boardroom. The Slate Gray screen material was designed to work with all projector types including LCD, DLP, LED, Laser and Lamp based light source, and resolutions including 4K. The screen surface can be cleaned with mild soap and water and is flame retardant and mildew resistant.