The elegant understatement of the exquisite matt grey surface harmonises excellently with many other building materials. And the connection between two exceptional metals combines the proverbial longevity of the carrier material with a metallic surface which, although not typical for copper, strikes just the right note. To manufacture TECU ® Zinn, copper strips are specially tinned and surface-treated on both sides. The resulting surface gradually takes on the distinctive matt grey colouring when exposed to weathering.

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