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Curated category

Roofing materials

  • ConcreteConcrete floors appeared in the royal palace of Tiryns, Greece, dating to 1400 BC. Lime mortars were used in Crete and Cyprus by 800 BC.
  • Stainless steelIn 1798, Louis Vauquelin presented chromium to the French Academy for the first time. This element would eventually become the key ingredient in a new type…
  • SteelAt 910 degrees Celsius, pure iron transforms from a body-centred cubic structure into a face-centred cubic form called gamma iron.