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Like many parts of the world, several regions in Australia are prone to cyclones. These natural events, sometimes referred to as tropical storms, hurricanes, or typhoons, are systems of strong winds that rotate inward toward a low-pressure area.
Cyclone winds can reach intense speeds of at least 63 km/h, with severe cases exceeding 120 km/h. These high-speed winds can cause extensive environmental and structural damage, often impacting entire communities. This is why proper protection—especially with cyclone rated doors—is essential in cyclone-prone areas.
Where Are Cyclone Rated Doors Required?
Cyclone-prone regions in Australia are classified into four categories:
- Region A – Normal
- Region B – Intermediate
- Region C – Tropical Cyclones
- Region D – Severe Tropical Cyclones
Areas most affected by cyclones include Carnarvon, Onslow, Croydon, and Karratha on the western coast of Western Australia. However, cyclone risk isn't limited to these locations. A large portion of northern WA, the Northern Territory, northern QLD, and coastal areas of NSW also fall within cyclone zones.
Cyclone Door Standards and Construction
A large part of northern western, northern and eastern coastal locations are also prone to tropical and intermediate cyclones across four states WA, NT, NSW and QLD. See our map below:
Australian law requires cyclone rated doors to be designed to the minimum requirements of the Australian Standards of AS1170.2. Metal clad doors are used in these cyclonic regions and have both internal and external reinforcements to withstand the extreme climate conditions that cyclones bring.
Most doors are able to be used across numerous regions, and our Sentry 380 door can be used in regions A-C. The reinforcement of this metal clad door is designed to meet Australian Standards.
Similar to this, is our Sentry 381, which has highly specified internals to tolerate the harsh conditions in region D.
Applications and Compliance of Cyclone Doors
Cyclone doors are used in a wide range of industries and applications and it’s important that business take steps to ensure their assets and staff are protected.
Some uses of these doors include industrial buildings, warehouses, transportable buildings and switch rooms.
Our cyclone doors also come with certificates to give users confidence that our doors meet sufficient standards and specifications. Follow the latest guidelines for construction in cyclone regions at the Queensland Government Building Codes.
