Zinc was first used as a building material in Paris, France, in the 1800’s as part of Baron Hausmann’s rebuilding program. Today 85% of all metal roofs in Paris utilize zinc. Umicore is the world’s leading producer of architectural zinc as a building and construction material. For over 160 years Umicore has been providing innovative solutions for building owners, architects, and contractors. Umicore has offices and representatives all over the world.