Armstrong has expanded the range of available sizes for its Alterna luxury vinyl tiles. Users can now get tiles in 12-by-24, 8-by-16, and 8-by-8-inch sections; original tile sizes include 12-by-12 and 16-by-16 inches. The new Allegheny Slate design is available in three colors and all five sizes. Athenian Travertine comes in two colors and is available in 16-by-16, 12-by-12, and 12-by-24-inch sections. The composite tiles can be arranged in any pattern.