99% Invisible 99% Invisible

(Not Just) Another Brick in the Wall

Oct 6, 2026 · 28m

Summary

Host Roman Mars speaks with Chicago brick historian Will Quam about the city’s architectural history and the humble building block. They explore how the Great Fire of 1871 transformed Chicago from a wood city into a masonry metropolis, relying on locally made "Chicago common" bricks. The discussion covers the transition from brick as a primary structural element to a decorative facade, using the Monadnock Building as a key case study. Quam also explains the critical role of mortar in historic preservation, warning how modern cement mixtures can damage old structures by trapping moisture and…

Topics discussed

Sponsors and show introduction Introduction to the Monadnock building The Monadnock's unique brick construction Will Quam and the Brick of Chicago tour Chicago's history with 'ugly' common bricks The shift from hand-made to machine-made bricks Photography of interior brick walls Face brick vs. common brick and regional styles The transition from structural brick to steel frames The decline of common brick manufacturing Brick as a modern design material The cultural and metaphorical persistence of brick Sponsor breaks The role of mortar and the dangers of cement Closing remarks and production credits Final sponsor reads
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