Do Not Mix Aluminum Gutters With Galvanized

Anodized aluminum is considered compatible with all other metals.

Do not mix aluminum gutters with galvanized. The copper particles which help the roof resist algae growth may cause corrosion of the aluminum when moisture is present. While both materials can be customized to form seamless gutters aluminium is slightly easier to work with. Aluminium should last longer than galvanized steel. Aluminum with mild steel is 0 35.

All you need to do is investing some of your time on a research or seeking for professional advice to get help on this concern. Aluminium gutters resist rust better than galvanized steel gutters and the metal won t thin over time. Mild steel and galvanized steel are not very reactivewith each other. The discharge from drain pipes on rooftop air conditioning units can be very corrosive particularly if the piping is copper and the drainage goes into galvanized steel scuppers conductor heads or gutters.

Aluminum with galvanized steel is 0 1. Installation is fairly easy because aluminium is lighter than galvanized steel. Prices vary by state and gutter company but these averages are what you can expect to see in your market. I have a reference document that looks for corrosion between different metals.

Salts increase the electrical conductivity of water. Aluminum gutters however cannot be installed on roofs that use algae resistant shingles 3 or copper flashing 4. 0 is the lowest on the scale. The magical number in this chart is 0 65 or less and you are fine.