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Fiber cement weatherboards designed with deep shadow lines are one of the most popular cladding choices in modern architectural design.

Unlike standard 6mm–9mm thin weatherboards that sit flatter against the wall, extra-thick boards (typically 14mm to 16mm thick) create a prominent, pronounced overhang cast by sunlight. This creates rich depth, sharp architectural contrast, and a premium, solid look akin to traditional heavy timber cladding—without the rotting, shrinking, or warping risks.

Key Features & Benefits

Thick Board Profile (14mm–16mm): Enables deep rebated overlaps or lap joints that cast distinct, bold shadow lines across the façade.

High Fire & BAL Rating: Built to withstand harsh climates, meeting non-combustibility requirements (up to BAL-40 / BAL-FZ depending on the specific assembly and region).

Dimensional Stability: Resistant to swelling, shrinking, and cracking, allowing boards to hold dark paint colors exceptionally well compared to natural timber or thin composites.

Pest & Moisture Proof: Impenetrable to termites, rot, and moisture damage