Roofs design, style and material have changed with time. Today, we see different kind of roofs but if you look back in ancient time roofs were not built of modern materials like shingles, metal, copper etc. The slate and tile roofs were first made in Rome. Later on different materials were used for building roofs.
The main factors for roof evolution are climate changes, energy efficiency and the style to improve a building’s appearance. Here is an infographic that illustrates the roofing revolutions and a quick comparison between tile and metal roof.