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Since 2001, SB Engineering has developed high-integrity window, door, and hatch enclosures for naval vessels, commercial fleets, and luxury superyachts.
To design, fabricate, and deliver marine openings that survive the ocean's most hostile conditions, securing the lives of naval crew members and preserving structural hull integrity.
To set the global standard for custom marine enclosures by merging luxury-grade visual craftsmanship with defense-grade ballistic and fire-resistant science.
Established in Hamburg as a custom metallurgy shop specializing in marine-grade gaskets.
Obtained DNV Type Approval for high-pressure watertight wheelhouse window assemblies.
Developed embedded micro-mesh grids for radar signature suppression (EMI shielding).
Opened the Norfolk, USA production yard, supplying MIL-SPEC shock-tested deck hatches.
Pioneered polar-class de-icing window technology certified down to -40°C.
Our facilities incorporate state-of-the-art laboratory testing equipment. We don't just rely on theoretical calculations—we validate every glass curve and steel hinge lock against simulated high-seas stress.
Simulates continuous underwater wave impact and structure warp load.
Anechoic testing facility to confirm EMI attenuation capacity for naval warfare mast glazing.
Exposes prototype fire doors and frames to instant temperature peaks exceeding 940°C.
* FEA models are audited by third-party surveyors (DNV/ABS) prior to initial tooling runs.
Approve marine structural steel windows, watertight doors, and security hatches for use on all standard transport, offshore, and mega-yacht crafts.
Certify that our A60 fire-rated structural glass elements adhere to core European safety rules for passenger and merchant shipping.
Acknowledge that our custom defense hatches survived high-impact shock tests, ensuring operational readiness during battle damage.