Granite Panel Fabrication Technique at BM Windows Factory

Integrating granite into a unitized façade system marks a breakthrough, meeting the strictest requirements in engineering, safety, and aesthetics—contributing to the architectural identity of a LEED-certified building.
Granite panels are a specialized façade solution developed by BM Windows for the OSI Tower project in Hanoi.

Each granite slab is carefully selected—crack-free, consistent in veining, and precisely dimensioned—then directly anchored to a steel frame mounted on aluminum unitized panels. This creates robust modules with a perfectly flat surface, ensuring airtight and watertight performance throughout the building’s lifecycle.

Integrating granite into a unitized façade system marks a breakthrough, meeting the strictest requirements in engineering, safety, and aesthetics—contributing to the architectural identity of a LEED-certified building.

The production of granite façade panels at the BM Windows factory is a seamless blend of advanced technology and refined craftsmanship. Every stage is carried out with care and dedication—not only to deliver a flawless product, but to reflect the professionalism and passion of BM Windows’ craftsmen in every detail.

The production of granite façade panels at the BM Windows factory is a seamless blend of advanced technology and refined craftsmanship.
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