Monday, May 23, 2022

Illinois Heritage

cover photos of Illinois Heritage magazine

Illinois Heritage Magazine

Illinois Heritage, the popular history magazine of the Illinois State Historical Society, was established in 1997 to encourage professional and amateur historians, museum professionals, teachers, genealogists, journalists, and other researchers to explore and write about Prairie State history for a broad audience.

Illinois Heritage is published six times per year and is available as a benefit of membership in the Illinois State Historical Society. Individual editions can also be purchased by contacting our office directly. Visit our Membership section for membership options and information.

Visit our Illinois Heritage Magazine section to see issue summaries and sample articles from recent releases.

Stone Repair and Restoration

Event date: 2/17/2022 8:30 AM - 1:45 PM Export event
/ Categories: Events, General News

Stone Repair and Restoration

Landmarks Illinois & IMI Annual Historic Preservation Education Event

Stone has been used for thousands of years for many building types and comes in myriad shapes, sizes, and properties. Extremely durable when maintained, over time, stone can deteriorate when exposed to weather, moisture, or improper previous repairs or pointing mortar. Learn about the formation of stone, material properties of common building stone, and deterioration mechanisms. You’ll discover best practices for stone treatment options like dutchman repairs, cementitious mortar repairs, stone finishing, and stone carving. Walk through a case study of the Tribune Tower to hear about the limestone façade rehabilitation process, including assessment prior to construction, development of restoration details, the unique cathodic protection system installed at the flying buttresses, and execution of the work by the masonry restoration contractor. We’ll cover lessons learned and challenges experienced in rehabilitating the tower’s facade. Finally, gain a deeper understanding of stone repair concepts through fascinating demonstrations of stone composite mortar repairs, dutchman repairs, and carving techniques.



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