Framework: The Tallest All-Timber Building in the Americas

Thomas Robinson
LEVER Architecture, Portland

This presentation introduced Framework, winner of the U.S. Tall Wood Building Prize Competition and slated to become the first wood high-rise in the U.S., and the tallest all-mass-timber building in North America. Framework seeks to create a path for wide adoption of mass timber in the U.S. The 40-meter tall, 12-story design recently received regulatory approval for construction and is scheduled to break ground this fall in Portland, Oregon. Framework was approved following completion of a stringent performance-based review process that included 40 tests (fire, structural, seismic, acoustic) on wood components.

Framework’s design exposes its glulam and Cross-Laminated Timber (CLT) structure, showcasing the beauty and innovation of mass timber architecture. The CLT core implements rocking-wall technology, a resilient system that allows the core to re-center itself following an earthquake. The building will support a unique combination of programming, including street-level retail, office space, and affordable housing for residents earning at or below 60% of the area median income.

Topics covered included: Framework’s innovative wood design, practical and environmental advantages of mass timber construction, component testing and the U.S. regulatory process for tall wood buildings, and how mass timber connects urban growth and rural economic development in the U.S.

Accompanying PowerPoint Presentation

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