Screws are available in a variety of materials, finishes and colours to match COLORBOND® pre-painted steel. You should use screws to AS 3566 Class 3 (or better).
| Environment | Material | Appropriate screw materials |
|---|---|---|
| For most external applications not closer that 400m from the ocean or severe influence | COLORBOND® steel COLORBOND® steel Matt COLORBOND® Metallic steel |
AS 3566 Class 3 |
| For severe exposure conditions 200m - 400m from marine environments | COLORBOND® steel COLORBOND® steel Matt |
AS 3566 Class 4 Where the colour match of fasteners is an overriding consideration, powder coated/painted fasteners may be used |
| For severe exposure environments 100m - 200m from marine environments | COLORBOND® Ultra steel | AS 3566 Class 4 Where the colour match of fasteners is an overriding consideration, powder coated/painted fasteners may be used |
| For very severe exposure conditions | SUPERDURA® Stainless steel | Stainless steel1 |
- Stainless steel fasteners are recommended for use only with SUPERDURA® Stainless steel. Jump to reference