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07-10-2009, 01:50 PM
http://www.helium.com/items/98399-roofing-your-home-concrete-roof-tiles
Concrete Roof tiles have had a long history of durability and beauty. The first cement-based tiles were made in 1884, at Kroher cement factory in Staudach, Bavaria by a mixture of cement, sand and water. In the early 1900s, coloring pigments were added to concrete roofing tiles in England, Holland, and other European countries, which enhanced the appearance of clay >>>
MORE INFORMATION >>> :rolleyes:
Concrete Roof tiles have had a long history of durability and beauty. The first cement-based tiles were made in 1884, at Kroher cement factory in Staudach, Bavaria by a mixture of cement, sand and water. In the early 1900s, coloring pigments were added to concrete roofing tiles in England, Holland, and other European countries, which enhanced the appearance of clay >>>
MORE INFORMATION >>> :rolleyes: