From its conception, the new mass timber roof at Portland International Airport in Oregon state was meant to evoke a walk through a Pacific Northwest forest. Wood for the impressive nine-acre, 9,000-ton roof came largely from sustainably managed forests in Oregon and Washington. A curved lattice structure, interspersed with large oval skylights, gives the impression of being outdoors beneath a thick canopy of trees.

“We wanted it to be not only functional, but to make a statement with our design,” said Vince Granato, chief projects officer for the Port of Portland, which operates the airport. “We wanted to take advantage of what the Pacific Northwest is known for.”

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