RTS430i

RELIANT AND VERSATILE

Optimum’s RTS-430i Stainless Steel Thermally Broken Windows and Doors are engineered to deliver exceptional performance while maintaining traditional steel sightline proportions. Designed to accommodate (a wide variety of glass configurations) The RTS-430i can accommodate laminated Hurricane Monolithic and Insulated glass in various thicknesses. The system delivers thermal-efficiency, hurricane safety, state-of -the-art  multi-point technology and acoustic performance, all without compromising aesthetics. Built in a non-corrosive stainless steel, the RTS-430i allows for larger spans and increased structural versatility, while preserving the classic, narrow steel lines architects, homeowners, and designers expect. Its refined sightlines provide a clean, elegant appearance suited for both contemporary and historically inspired projects. The RTS-430i has met and exceeded rigorous performance standards across North America, proudly holding NFRC Certification as well as Florida Product Approval, including compliance with Miami HVHZ (High Velocity Hurricane Zone) and Wind Zone 3 requirements. Optimum offers a full product catalogue within the RTS-430i platform, including casement windows, fixed windows, sliding doors, bi-fold systems, and large-span configurations, delivering complete design flexibility. The system is available in various stainless steel material options and can be finished with high-performance AAMA 2604 or AAMA 2605 powder-coating, ensuring long-term durability in even the most demanding environments. Through advanced precision welding, state-of-the-art fabrication technologies, and custom manufacturing to exact specifications, Optimum collaborates closely with architects and design professionals to deliver solutions that combine structural integrity, beauty, longevity and safety.