The CASMA 051F Frenum Hydraulic Patch Kit offers a complete, ready-to-install solution for controlled glass door movement, engineered to perform flawlessly as heavy-duty sauna hinges. Powered by the world’s first fully hydraulic patch fitting, this system is uniquely built to withstand extreme environmental demands, operating reliably in temperatures ranging from -15°C up to 100°C.

Designed for both Hold Open and Non-Hold Open configurations, this EN2-rated system delivers precise, smooth closing without the need for recessed floor springs or unsightly overhead closers—keeping your sauna design clean and seamless. The kit includes the 051F hydraulic patch, matching top patch, and pivot accessories, making it the ultimate choice for custom sauna builds or premium glass hardware upgrades.

Installation is exceptionally simple: with no glass cut-outs required and compatibility with standard patch fitting footprints, you can upgrade your sauna door with minimal effort. The robust mechanism supports heavy glass door panels up to 100 kg and 1000 mm wide, ensuring smooth, controlled motion even in high-traffic commercial thermal suites or luxury residential spas.

Finished in premium satin or polished stainless steel, the CASMA 051F Kit provides excellent resistance to moisture and steam while maintaining a sleek, modern aesthetic. It sets a new benchmark for innovation, safety, and longevity in frameless glass sauna doors.