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Collection: S4 Mounting System RooFit

Designed around the universal patented base plate, S4 RooFit is a system that combines architectural integration, structural performance and long-term sustainability. It’s fully engineered, certified and scalable solution for residential and new-build projects. At it's core, the system is engineered to accommodate: 

  • All current photovoltaic panel sizes
  • Future panel formats without redesigning the whole system
  • Portrait and landscape installations

The S4 system is engineered to simplify installation while maintaining high standards of performance and durability. The modular design allows installers to adapt the system to a wide range of roof types, panel sizes, and project requirements, helping to streamline installations while ensuring a clean, integrated finish.

Key Features:

  • Universal compatibility with a wide range of PV modules
  • Suitable for roof pitches from 12°–70°
  • Durable corrosion-resistant aluminium construction
  • Modular components designed to simplify installation
  • Clean, integrated finish for in-roof solar system

View as:

10 products

  • S4 RooFit Universal Frame

    S4 RooFit Universal Frame

    £13.65

    The S4 Universal Frame forms the foundation of the S4 RooFit mounting system. The patented component is designed to provide strong, reliable structural support for photovoltaic (PV) panels across a wide range of rood types an installation configuration. 
    Manufactured in the UK from corrosion-resistant aluminium, the frame delivers a durable support structure that maintains optical panel alignment, consistent load distribution and long-term durability. Its universal design allows compatibility with multiple panel dimensions, and layouts, helping installers simplify system design and flexibility.

  • S4 RooFit Extension Components

    S4 RooFit Extension Components

    5 models available
    From £1.54

    The S4 RooFit Extensions are designed to provide more flexibility within the S4 RooFit in-roof mounting system, helping adjust panel positioning and maintaining consistent finish across the installation. This helps maintain structural stability and weather protection within the system. 

  • S4 RooFit Height Riser – Tile & Slate

    S4 RooFit Height Riser – Tile & Slate

    £3.81

    The S4 RooFit Height Riser is designed to ensure panels are correctly aligned and securing positioned when working with uneven roof surfaces.

  • S4 RooFit Lateral Adaptors

    S4 RooFit Lateral Adaptors

    2 models available
    From £1.78

    The S4 RooFit Lateral Adaptors are mounting accessories designed to provide secure end-of-array support within the S4 universal in-roof mounting system. They create stable and reliable connection points at the outer edges of the photovoltaic (PV) array, helping to maintain consistent panel alignment across each row. By supporting even load distribution and structural stability, the adaptors contribute to a clean, well-finished installation.

  • S4 RooFit Panel Support Pins

    S4 RooFit Panel Support Pins

    £0.08

    The S4 RooFit Panel Support Pins are designed to provide precise panel positioning by ensuring consistent spacing which improves load distribution and a secure installation.

  • S4 RooFit Universal Lateral Flashing

    S4 RooFit Universal Lateral Flashing

    £19.19

    The S4 RooFit Universal Lateral Flashing is designed to integrate seamlessly with the S4 mounting system to provide reliable weather protection around the photovoltaic array.

  • S4 RooFit Clamps

    S4 RooFit Clamps

    3 models available
    From £2.18

    The S4 RooFit Clamps are designed to securely fasten photovoltaic panels to the mounting rail or structural frame within the S4 system.

  • S4 RooFit Flashing Hook

    S4 RooFit Flashing Hook

    £0.56

    The S4 RooFit Flashing Hook is designed to secure side flashing components within the S4 RooFit system. It creates a stable and reliable fixing point to ensure the flashing remains in the correct position and is securely attached.

  • S4 RooFit Fixing Screws

    S4 RooFit Fixing Screws

    2 models available
    From £0.19

    S4 RooFit Fixing Screws are designed to provide secure fastening throughout the S4 mounting system.

  • S4 RooFit Pre-Compressed Seal Roll of 5Lm

    S4 RooFit Pre-Compressed Seal Roll of 5Lm

    £13.25

    The S4 RooFit Pre-Compressed Seal Roll of 5Lm is an open-cell polyurethane foam tape designed to act as a secondary weather seal within a weatherproof joint.

*see manufacturer's documentation for further information