Copper gutters and downspouts get an elegant blue green patina as they age thanks to the magic of oxidation.
Aged copper gutters.
Because 20 ounce copper is 25 thicker it requires 25 more copper to make.
How long does it take copper gutters to oxidize.
Think of the statue of liberty in new york entirely skinned in copper with a beautiful aged green patina.
Available in seamless or in sections held together with rivets or screws and sealed with caulk.
Yes copper gutters turn green as they oxidize giving them their distinctive patina.
You will never have to paint them.
Rather than corroding copper builds a patina on its surface which protects it from the watery destruction that befalls other metals.
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.
This popular low cost metal won t rust and comes in an array of colors including ones that resemble aged copper and zinc.
When allowed to age naturally copper can take years to develop what s called the verdigris patina especially in dry climates.
If you know how to age copper artificially however you can achieve the same effect much more quickly almost overnight.