This zinc is easily scratched off and the scratches are difficult to see.
Why do steel gutters rust.
Installation is fairly easy because aluminium is lighter than galvanized steel.
Sometimes rust corrosion can eat all the way through galvanized steel gutters.
While both materials can be customized to form seamless gutters aluminium is slightly easier to work with.
Aluminium gutters resist rust better than galvanized steel gutters and the metal won t thin over time.
Both aluminum and steel gutters resist rust.
Why does steel rust.
Gutters made of galvanized steel are strong and durable but they re no longer as popular as they once were because of their susceptibility to rust after a few years.
Aluminum gutters can develop holes too.
How to treat rust spots on your gutters.
However aluminum resists it slightly better than galvanized steel.
Most commonly rust forms in gutters when water pools inside them either due to improper installation improper slope over time or a clog inside the gutters that allows water to stand rather than flow freely.
Any material made with iron that is exposed to both oxygen and water will rust.
The protective zinc coating does eventually begin to wear away exposing the bare metal.
You can use the same process for repairing holes in both steel and aluminum gutters.
Luckily rusted gutter repair isn t too difficult.
Some materials including steel may begin to rust over time from simply being exposed to humidity.
Although they probably won t rust aluminum can be punctured more easily than steel gutters.