Proteus SR Secret Fix is a rainscreen cladding system that delivers sleek aesthetics and outstanding performance.

Proteus SR Secret Fix has been fully tested to EN 13501-1 standards, ensuring compliance with fire performance regulations.

For specifications outside the current testing scope, project-specific EN 13501-1 testing can be arranged.

Proteus SR Secret Fix has been rigorously tested by the Centre for Window and Cladding Technology (CWCT) to meet industry-leading performance standards. These certified tests replicate extreme environmental conditions, assessing air permeability, water penetration, wind resistance, and impact. This ensures the product’s reliability and durability in demanding applications.

Proteus SR Secret Fix panel widths vary by material. Refer to the table below for maximum widths by type.

For panel sizes that exceed our standard maximums, please contact our team to discuss bespoke solutions.

Proteus SR Secret Fix provides a sustainable and effective solution for recladding projects by replacing outdated materials with modern cladding systems that enhance performance, improve safety, and ensure compliance with current building regulations.

Get installation right with hands-on training at our UK Learning Zone, where contractors can build confidence and sharpen their practical skills. In addition to in-person sessions, we provide clear, easy-to-follow installation videos and technical guides, ensuring support is always available, whether you’re on site or planning ahead.

To request installation guides or book a training session, please contact us.

Proteus SR Secret Fix is listed on NBS Source, streamlining specification for architects, contractors, and consultants. With access to comprehensive product data, BIM files, and specification clauses, the system is ready for seamless integration into detailed design packages. This supports a smooth transition from concept to construction, ensuring accurate specification and compliance at every project stage.