Cutting
Open Keyhole
Frame Connection
Cleaning GlassEstablished in 2004, Fortisdor Security Doors Co., Ltd. has evolved into a global leader in high-performance building envelopes. With 20 years of experience, we provide Passive House-grade doors and windows designed for Osaka’s unique climate, characterized by humid summers and specific seismic compliance requirements. Our 32,000 m² facility integrates advanced automation with human-centric engineering, ensuring every unit meets international energy-efficiency benchmarks.
Osaka’s urbanization requires solutions that combine typhoon resistance with superior thermal insulation. Fortisdor offers bespoke Passive House components that align with local Building Standard Law of Japan (BSLJ) codes. Our team ensures that our thermal-break aluminum profiles, advanced weather-sealing technologies, and multi-point locking systems are calibrated for the Osaka market, providing local architects and contractors with reliable, code-compliant hardware.
Quality is the foundation of our reputation. Managed by 40 certified QC inspectors, our protocols include salt-spray corrosion tests (essential for coastal areas like Osaka), frame alignment automation, and rigorous stress testing. Our R&D team of 50 engineers is dedicated to continuous improvement, having launched 140 new models last year to meet the evolving needs of commercial and residential developers globally.
Yes, we adapt our designs to satisfy seismic and insulation standards required for the Japanese market.
We leverage 950+ supply chain partners to maintain consistent, high-volume production for large-scale developments.
We have extensive experience in international logistics, ensuring secure delivery to Osaka ports with full documentation.
Glass Installation
Gluing
Gauze Installation
Warehouse
CNC Double Saw
Welding Machine
Duamian
CNC Angle Cleaner
Fortisdor