Zinc is one of the most reliable metals that has been used as a building material for centuries. This includes zinc gutters, rainwater drainage systems, roof coverings and wall claddings. With a lifespan of 75+ years, zinc is not only an aesthetic choice but nowadays also a sustainable choice. In addition to a Long service life, more than 95% is collected and recycled again after use. It therefore answers the circular economy. There are few building materials whose overall environmental balance is as positive as for zinc. Zinc is not only appreciated because of its unique appearance, the metal is also very functional: it ensures that rainwater is drained reliably.