S4 is a new generation of in-roof photovoltaic mounting systems designed for complete or partial roof integration. 

Built around a patented universal base plate and an ultra-simplified architecture, S4 enables faster installation, guaranteed compatibility across all panel formats, and long-term performance. From compact EPDM seals to modular extensions, every detail is engineered for durability, reliability, and total freedom on site.
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At a glance:

• Universal fit (all sizes & orientations)
• Future-proof base (swap panels, keep base plate)
• 5-component system (less complexity)
• Faster install (no/less battens)
• Integrated waterproofing (no flashings)
• Built to last (EPDM + 25+ years)
• 10-year product warranty