20 December 2017 Cities, Portland, Oregon

As tall timber takes shape, acousticians set standards for sound

There are many well-chronicled upsides to building with cross-laminated timber (CLT) - but one downside is the acoustics. When Arup began working on the Framework tall timber tower, Denis Blount and Peter Dodds set out to make sure the building’s residents wouldn’t be kept up all night by their upstairs neighbors.