A ceiling ambient light rejecting screen negates the washout effects of ambient light while maintaining superb picture quality under normal room lighting conditions. The ambient light rejecting projector screen is the perfect solution for rooms that have little or no control over incidental light. This means that an ALR/CLR screen is an ideal fit for family rooms as well as lecture halls, boardrooms, sports bars, training facilities, and other business environments. There are many ambient light rejection projector screen variants to choose from. This includes CLR® or ceiling light rejecting projector screen materials are specially designed for the presence of overhead light sources commonly encountered in residential and commercial environments. This type is also specifically geared toward UST or ultra short throw projectors.