PORTLAND — Three pieces of one of the world’s largest puzzles, also known as Portland International Airport’s new 392,000-square-foot, curved roof, are currently in place.

The Portland International Airport’s redevelopment calls for a curved timber roof made from 3.3 million board feet of Douglas fir. Photo courtesy the Port of Portland July 12, 2021 ...

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 ...

Montreal architect Stephane Gaulin-Brown has placed a single-slope roof with a curved soffit on top of a ski chalet to open it up to the forests of Mont Tremblant, Quebec. Completed in 2023, the ...

Upcycled materials from a dilapidated structure found on site create a sustainable home made up of round volumes connected by a floating roof. Houses We Love: Every day we feature a remarkable ...