High Quality Content by WIKIPEDIA articles! The Lofts of Merchants Row, formerly the Frank & Seder Department Store Building, is a 41 m (135 ft) 6-storey high-rise completed in 1891 on Woodward Avenue in downtown Detroit, Michigan. The building was the tallest in the state when built, and later joined with the larger addition directly to the south in 1921. The upper part of the facade is cast iron, reputedly the last such facade in Detroit.