Any coating you put on it as someone recommended above lacquer varnish polyurethane etc will get small cracks in it as the copper and the finish expand and contract with changes in temperature.
Keeping copper roof shiny.
Step 1 mix 3 cups of pure concentrated lemon juice with 1 cup of salt.
Wear gloves when touching the copper.
Copper normally changes in appearance from a shiny red metal to a dull green.
Using just a few simple household ingredients any homeowner can clean and shine almost any copper item.
If you want to protect your copper or brass while it is still new and shiny clean any oil or other contaminants from.
Do you want to keep your beautiful copper shiny and new.
Some copper roofing products come factory treated to keep your roof looking new and freshly cleaned.
Polyurethane treatment keeps a copper roof shiny for a few years but will require reapplying every so often.
The acids and oils in your hands will leave dark fingerprints.
The only way to prevent a copper roof from turning green is to prevent this reaction from occurring.
You cannot keep it shiny and new looking.
There truly is no permanent solution to this problem but only having to deal with it every 8 12 years is better than year in year out.
Clean off residue or road grime with a mild solution of bleach and water.
Start by rinsing your copper item in warm water.
Otherwise copper will do what it does best and quickly oxidize and turn green.
Use buckets of distilled water to rinse off the rest of the roof.
Distilled water does not contain the minerals that could discolor the patina or harm the copper in the roof.
That s what it does.
It can be sprayed on or.
This only adds more.
Why copper roofs change color.
Once the metal is clean everbrite or protectaclear can be applied by several methods.
Regardless of which brand used keeping the copper shiny will eventually become a maintenance issue especially if it is an outdoor item.
Wet down the copper first then use a 10.
Go through the entire cleaning and neutralizing process.
This change occurs as a result of a chemical reaction between the copper moisture and oxygen referred to as oxidation.
Rinse the roof with buckets of distilled water.