Although they probably won t rust aluminum can be punctured more easily than steel gutters.
Why do steel gutters rust.
Because steel is made almost entirely of iron it is the most highly manufactured man made material that is subject to rust.
Sometimes rust corrosion can eat all the way through galvanized steel gutters.
The protective zinc coating does eventually begin to wear away exposing the bare metal.
This zinc is easily scratched off and the scratches are difficult to see.
Some materials including steel may begin to rust over time from simply being exposed to humidity.
Why does steel rust.
Installation is fairly easy because aluminium is lighter than galvanized steel.
This is due in part to the fact that the steel is coated in a thin layer of zinc to prevent rusting.
How to treat rust spots on your gutters.
Adding a layer of acrylic latex paint or oil based paint adds helps metallic objects like rain gutters from rusting.
However aluminum resists it slightly better than galvanized steel.
While both materials can be customized to form seamless gutters aluminium is slightly easier to work with.
Luckily rusted gutter repair isn t too difficult.
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.
Both aluminum and steel gutters resist rust.
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.
Aluminum gutters can develop holes too.