
In 1984 there was a large renovation done to the exterior to reverse weathering. The interior was refurbished to accommodate the modern businesses.

Sources:
Building History. (2012). In Dental Associates Iron Block. Retrieved March 23, 2013, from
http://ironblockbuilding.com/ib-building-history/
Milwaukee: A Half-Century of Progress. Retrieved March 28, 2013 from Google Books
Milwaukee_a_half_century_s_progress_1846
Historic Americans Building Survey: Iron Block Building, Retrieved March 29, 2013
http://lcweb2.loc.gov/pnp/habshaer/wi/wi0000/wi0030/data/wi0030data.pdf
By Dustin Hochmuth,
Museum Intern, UW-Whitewater Communications Major