History of Masonry. Use dates to ancient timesGreat Wall of ChinaEgyptPyramidsSphinxGrecian ruinsParthenonColiseumRoman ruinsRoads, aqua ducts, templesFirst use of a standardized size brick ~1200 a.d., EuropeFirst extensive use in USA, ~1600. CE552. Masonry Materials. 2. Masonry Units. A natural or cultured unit made of fired clay or shale, concrete, stone, glass, or gypsum.Typical units includeConcrete Masonry Unit (CMU)Clay BricksStructural Clay TileGlass BlockStone- limeston9447
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