Importance of Cyclonic Structure in Cyclonic Window Regions

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 (e.g., Northern Territory, Far North Queensland, Northern WA – Regions C & D)

Australia’s northern regions are classified as cyclonic wind zones under the National Construction Code (NCC) and relevant Australian Standards. Buildings in these regions must be designed to withstand extreme wind pressures, debris impact, and rapid directional wind changes during tropical cyclones. Windows are among the most vulnerable elements of a building envelope.

Because of this, cyclonic-rated windows and structural design are critical for safety, compliance, insurance, and long-term performance.