The Accoya was steamed and bent into specially shaped blades by De Jong’s Houtwaren in Drogeham.

The finished cladding gives a copper-like appearance when viewed from a distance.

BogermanDill Architects specified Accoya for its durability and sustainability credentials.

"It has proved to be the only timber product that would meet the demands of this complex technical design, and the unusual curves created from such long timber pieces help to reduce the typical regimental appearance of a stone building," it said.