The 80m diameter facility has a multi-faceted timber roof structure weighing more than ... 270 m, has a cross-section of about 48 x 200cm, and adapts to the curvature of the structure.

Enter the first major U.S. airport with a timber roof and the wow factor is everywhere. Undertaken at a cost of $2.1 billion, the four-year PDX remodel uses 3.7 million board feet of wood.