My house is close to the ocean, when should I select COLORBOND® Ultra steel over COLORBOND® steel for my roof?
As a simple guide, if your project is greater than 200m from breaking surf, COLORBOND® steel is recommended for your roof, between 100-200m from breaking surf, COLORBOND® Ultra steel is the recommended material for your roof. For other distances and other marine conditions, please refer to Technical Bulletin TB-01A - Steel roofing products – selection guide
- Absolute performance is subject to local conditions including, but not limited to, prevailing winds, and presence of unwashed areas.
- Distance is as measured from the high water/tide mark
- Applies to salt marine influences only. For installations subject to severe or heavy industrial conditions or internal humidity, it is essential to contact Steel Direct for advice on suitable products.
- Definitions and examples of surf, exposed and calm marine are outlined in Technical Bulletin TB-35 - Australian Salt Marine Classifications