 In 1928, the first standard-sized 4 ft by 8 ft (1.2 m by 2.4 m) plywood sheets were introduced in the United States for use as a general building material.Artists use plywood as a support for easel paintings to replace traditional canvas or cardboard.Ready-made "artist boards" for oil painting in three-layered plywood (3-ply) were produced and sold in New York as early as 1880.