S4 Universal Mounting Systems

In-roof solar mounting solutions

The flexible, high-performance mounting solution for tomorrow’s rooftops

At UKSOL we’re committed to delivering solutions that combine industrial vision, innovation and on-site practicality. The S4 Universal system reflects this vision by empowering installers, developers and distributors to adopt one mounting platform across multiple roof types and project sizes — reducing complexity, improving quality and accelerating deployment of solar projects.

Product Spotlight: S4 Roofit - The Universal Mounting Plate

S4 is transforming the solar energy industry with its S4 ROOFIT universal integration system, designed to simplify photovoltaic panel installation while optimizing efficiency and sustainability.

Proudly made in the UK

In-roof solar mounting enquiry form

Looking to use SunFixings solar mounting systems for your next solar project? We’d love to hear from you…

Simply fill out the form below and a member of our team will get back to you shortly.

Key Benefits of S4’s mounting systems

  • Universal compatibility – Engineered for seamless installation across a wide range of roof types and module formats, the S4 Universal system simplifies procurement and reduces inventory complexity.

  • Faster installation, lower cost – With streamlined components and an intuitive assembly process, installers spend less time on-site and achieve faster turnaround with fewer tools.

  • Built for durability – Manufactured from premium corrosion-resistant aluminium and stainless steel fixings, the system offers long-term reliability even in harsh environments.

  • Optimal module positioning – Integrated alignment features and adjustable rails help ensure ideal tilt and orientation, maximising system output and lifetime performance.

  • Scalable logistics & supply chain – Consolidated part numbers and modular packaging make it easy for distributors and project teams to manage inventory and reduce shipping costs.

  • Future‐ready roof integration – Designed with adaptability in mind, the system supports evolving module technologies, mounting accessories (e.g., optimisers, trackers), and can be easily modified as projects scale.