Synkro 4 is the flush-with-trim security door that embodies the perfect harmony between protection and design. Engineered to integrate into the space with architectural precision and coherence, it eliminates all visual interruptions through a structure that blends seamlessly into the wall, enhancing the formal purity of the space.

Certified in RC4 class, Synkro 4 offers top-level anti-burglary protection, while its advanced construction ensures excellent thermal and acoustic performance. Every component—from the concealed hinge to the flush panel—is designed to reinforce the essential nature of the architectural gesture.

More than a security door, Synkro 4 is a deliberate design choice—an element that conveys aesthetic rigour, balance, and refinement. Ideal for interiors where form and function merge into one cohesive language.


– Security class: 4
– Thermal transmittance: 1.3 W/m²K
– Sound insulation: 41 dB (45 dB with threshold)
– Max dimensions (WxH): 1200×2700 mm