We commonly use several types of solar fasteners, each suited to distinct applications. These include bolts, screws, clips, and anchors, specifically designed for mounting solar panels, brackets, or rails. 1 What Are Solar Mounting Systems and Why Are They Critical? 2 How Do You Choose Between Pitched Roof, Flat. nd secure various equipment and structures. Screws and B is the place to find. Types, materials, and European standards for safe, efficient, and durable solar mounting systems on roofs, on the ground, and for carports. Every efficient photovoltaic system starts from a solid foundation: the mounting system. This structure, often invisible but fundamental, ensures stability. We have different systems with their corresponding solutions for assembly, fastening and watertightness, complementing a vast selection of products from the INDEX® catalogue. Roof mounts mount solar panels to the top of buildings via the roof. Rail options are ideal for metal.