99% Invisible 99% Invisible

(Not Just) Another Brick in the Wall

Oct 6, 2026 · 28m

Summary

Host Roman Mars and guest Will Quam explore the history of brick in Chicago, focusing on the Monadnock building and the city’s shift from wood to masonry after the Great Fire. They discuss the rise of "Chicago common brick," the transition from structural to decorative use, and the eventual decline of local manufacturing due to concrete and environmental regulations. The conversation also highlights the critical role of mortar in preserving historic structures.

Topics discussed

Sponsors and show introduction Introduction to the Monadnock Building The Monadnock's unique masonry construction Will Quam and the Brick of Chicago tours Defining a brick and Chicago's history The Great Fire and the rise of Chicago common brick The reputation of Chicago common bricks Mechanization of brick production Photography and the reality of common brick walls Face brick vs. common brick in Chicago Geography of brick types across the US Transition from structural brick to steel frames Decline of common brick manufacturing Brick as a modern design material Brick in schools and urban connection The persistence of brick in language and culture Sponsor breaks The role of mortar in brick walls Problems with cement mortar in historic buildings Closing remarks and credits
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