December 27, 2018
The new Peavy Hall at Oregon State University was supposed to symbolize the rebirth of the state's timber industry by showcasing its signature innovation: cross-laminated timber. But the general contractor saw significant risks in using an untested CLT manufacturer, and wanted financial cover. School officials, instead, moved forward with a new builder in December 2016. In March, a 1,000-pound section of the third floor buckled and crashed onto the floor below. Engineers traced the panel's failure to the glue and determined at least five other panels showed signs of delamination. The closer they looked, the more bad CLT panels they found; by August, at least 85 were marked for replacement. To read more, click here.