Ludowici Roof Tile, LLC., based in New Lexington, Ohio, is an American manufacturer of clay roof tiles, floor tiles, and wall cladding. The company was established in 1888 with the formation of the Celadon Terra Cotta Company in Alfred, New York. It has created tile for many prominent buildings throughout the United States.
Celadon Company office building seen in 2012
Remains of the Alfred, New York factory after fire, December 1909
President Eisenhower standing on Ludowici tiles on the White House Promenade
The Pennsylvania State Capitol with green Ludowici tiles on dome
Roof tiles are overlapping tiles designed mainly to keep out precipitation such as rain or snow, and are traditionally made from locally available materials such as clay or slate. Later tiles have been made from materials such as concrete, and plastic.
Clay tile roofs in Dinkelsbühl, Germany
Flat tiles on the Church of St Andrew in Greensted, Ongar, Essex, England
Mission tile in Spain
Pantiles in a "Spanish" pattern