Which iconic architectural materials brand began in 1939 when its founder invented a new type of insulation board while seeking a solution for moisture-damaged buildings?

Test your knowledge about the historical origins of today's most influential architectural product brands! Many of the tools, materials, and systems architects rely on daily have fascinating origin stories that shaped their development. Understanding the history behind these brands provides insight into how architectural practice has evolved over time and how innovations become industry standards.

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Armstrong World Industries
Owens Corning
USG Corporation
Johns Manville