Sliding pool enclosure Orion is installed on pools located near the house or fence. This type of pool cover is supported on one side by a wall. For this type of pool cover, our engineers specially designed the rails and the roller system, which ensures ease of movement even on a vertical wall. The wall rail protects the structure from distortions and is specially designed for pavilions with a support on the wall. Its peculiarity is water drainage with and a double system of rollers, providing ease of movement along a vertical plane.