sentences:  Demand has increased the availability of all types of bricks; there are more than a dozen commercially available brick types in modern construction.The Roman Brick Company of Glasgow currently offers "Roman" bricks in heights of 40, 52, 65 or 71mm; widths of 90 or 115mm; and lengths of 290, 365, 440, 490 and 600mm.Roman brick was introduced to the United States by the architectural firm McKim, Mead, and White.