Colorbond
Fencing

Colorbond fencing is a pre-painted steel fencing favored across Australia known for its strength and durability. Colorbond fencing offers the same lightweight and corrosion-resistant properties as aluminum while being much stronger and sturdier in construction. At its core, Colorbond fencing is made in the same way as Zincalume, which is where it gets its strength and durability from.
Zincalume is a kind of galvanized steel made from aluminum and zinc. It is highly resistant to corrosion – around 4 times less likely to corrode than ordinary galvanized steel.
It is then pre-painted, a process that does not incur much additional manufacturing costs!
The lead-free paint actually becomes an integral part of the Colorbond steel panels as they are being formed, so it is not merely regular steel that has been painted before being shipped.