When the case of the projection screen cannot be installed into the ceiling, offer the elegant, high-end designed Elpro Concept instead. The Tensioned Elpro Concept is available with the latest technology in projection surfaces designed for 4K and Ultra HD to maximize the technology of your projector. Projecta raises the bar for every wall or ceiling installation. The leaf-shaped case of the Elpro Concept offers a stylish solution for design-sensitive installations. The entire range of Elpro Concept is available up to a width of 380 cm wide and comes with a 5 year limited warranty. Tab-Tensioned The tab-tensioning system will keep the projection surface under a constant tensioning for a perfectly flat viewing area. A flat projection surface will get the most out of your projector, making sure no pixels get lost or deformed. If detail is important a perfectly flat projection area is vital.