Rather than corroding copper builds a patina on its surface which protects it from the watery destruction that befalls other metals.
Aged copper gutters.
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.
How long does it take copper gutters to oxidize.
Copper gutters and downspouts get an elegant blue green patina as they age thanks to the magic of oxidation.
If you know how to age copper artificially however you can achieve the same effect much more quickly almost overnight.
Yes copper gutters turn green as they oxidize giving them their distinctive patina.
You will never have to paint them.
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.
Copper and zinc gutters can survive 60 years with minimum maintenance and well past 100 years if installed and inspected properly.
Copper gutters will transform from their warm metallic shine to a soft matte green.
Available in seamless or in sections held together with rivets or screws and sealed with caulk.
Because 20 ounce copper is 25 thicker it requires 25 more copper to make.