Copper gutters and downspouts get an elegant blue green patina as they age thanks to the magic of oxidation.
Aged copper gutters.
Available in seamless or in sections held together with rivets or screws and sealed with caulk.
Copper gutters will transform from their warm metallic shine to a soft matte green.
Yes copper gutters turn green as they oxidize giving them their distinctive patina.
Because 20 ounce copper is 25 thicker it requires 25 more copper to make.
How long does it take copper gutters to oxidize.
If you know how to age copper artificially however you can achieve the same effect much more quickly almost overnight.
When allowed to age naturally copper can take years to develop what s called the verdigris patina especially in dry climates.
Rather than corroding copper builds a patina on its surface which protects it from the watery destruction that befalls other metals.
This popular low cost metal won t rust and comes in an array of colors including ones that resemble aged copper and zinc.
But if patina isn t your thing you can keep copper gutters and downspouts shiny and warm colored by putting a protective coating on them each year and polishing them with a solution made for copper.
At the minimum you should choose 16 ounce copper gutters but depending on the weather and rainfall in your location 20 ounce copper may be a better choice.
You will never have to paint them.