Importantly, the selected flatlock/shingles profile introduces intricate detailing and a high number of interfaces. With that level of complexity, a standard substrate would increase long-term risk, because if sections need replacing, the access and reinstatement cost can be significant. Specifying UniCote Coastal was a practical way to balance durability and longevity with budget expectations, helping protect the faรงade investment over the buildingโs lifecycle.
Decjuba Head Office
Project Context
The Decjuba Head Office in Cremorne, Victoria, required a contemporary, brand-focused exterior with precise detailing for a dense urban environment. The project also uses a hybrid structure with mass-timber elements to support sustainability goals.
Why UniCoteยฎ Coastal Was Selected
UniCote Coastal was specified as a deliberate performance upgrade to secure a higher-performing substrate suitable for architectural cladding. This selection supports enhanced durability and longevity, helping meet long-term warranty expectations for the external envelope.
Performance Advantages
For this project, UniCote Coastal uses an AM210 aluminiumโzincโmagnesium coating, providing heightened corrosion resistance and robust edge durability. In inner-urban conditions, where moisture retention, airborne pollutants and sheltered elevations can accelerate wear, this helps reduce risk at folds, junctions and cut edges, and supports longer intervals between faรงade maintenance.
Colour/Finish & Architectural Outcome
The specified finish, Midnight Matt, delivers a deep, controlled black with minimal glare, maintaining a crisp appearance across varied Melbourne light. Executed in a flatlock/shingles profile, the cladding introduces scale and rhythm, breaking down the mass with measured shadow lines for a refined architectural result.
Summary
This project demonstrates material selection as both aesthetic and strategic: UniCote Coastal for substrate performance and warranty confidence, paired with Midnight Matt for a sharp, enduring faรงade. Midnight Matt is best assessed via a physical sample under project lighting conditions.
One of the darkest matt available in the market, UniCote LUX Midnight Matt is a captivating and sophisticated colour that adds an element of mystery and elegance to architectural designs. This exquisite colour option offers a deep, velvety black hue with a sleek matte finish, making it a perfect choice for creating striking contrasts and contemporary aesthetics.



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