Do Prepainted Steel Gutter Rust

How to treat rust spots on your gutters.

Do prepainted steel gutter 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. The protective zinc coating does eventually begin to wear away exposing the bare metal. The reasons for this is many. This zinc is easily scratched off and the scratches are difficult to see.

However the gutter s trough cannot be painted with regular paint as it is not designed to be immersed in water. Both the downspouts and gutters need to be painted on outside and the gutters on their insides as well. Galvanized gutters and downspouts have to be properly prepared so they don t 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.

Both aluminum and steel gutters resist rust. However aluminum resists it slightly better than galvanized steel. But as with other high end custom materials the drawback is cost. Stainless steel gutters are strong and rust free and maintain their high sheen for years.

About 20 per linear foot. Pre painted aluminum gutter material is the 1 choice for gutter materials in the united states and canada. Aluminum is a light weight product which will never rust. Some materials including steel may begin to rust over time from simply being exposed to humidity.

If not repaired the scratches can lead to rust. Luckily rusted gutter repair isn t too difficult. For this reason galvanized steel aluminum or vinyl gutters are the predominant varieties.