The Da-Lite 78678 Perm-Wall Fixed Frame projector screen was designed for permanent mounting to the wall or in a wall opening. Front or rear projection surfaces snap easily on to the front of the black powder coated aluminum frame. Both the back and sides are flat for easy installation. This screen also provides a perfectly flat viewing surface for graphic and data video projection. Several other features include Da-Mat®, High Contrast Da-Mat®, Da-Tex® (Rear), Pearlescent, Cinema Vision, High Contrast Cinema Vision and Dual Vision fabrics and will be seamless up to and including 16' high. Audio Vision, High Contrast Audio Vision, and High Contrast Cinema Perf fabrics up to and including 8' high will be seamless, and High Power fabric up to and including 6' high will be seamless as well.