Quote:
Originally Posted by Hawrylyshyn
Yes and they’re supposed to turn green. For example the parliament buildings in Ottawa, they’re roofs are made of copper and were originally brown. Don’t see them removing it
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Actually they just removed the green roof on the Cathedral Basilica of Christ the King near the highway in hamilton and replaced it.
http://www.cbc.ca/news/canada/hamilton/christ-the-king-repairs-1.3718414
They are not SUPPOSED to turn green, they just DO turn green.. and that oxidation drips off when it rains and stains everything under it. It's corrosion and eventually compromises the copper itself.
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