Fibonacci

The Core is one of the most sustainable buildings in the world, having been designed on nature's architecture, with every effort put into minimising its impact on the environment during its construction and in its future use. The design of The Core is based on how plants grow. It incorporates a central trunk and canopy roof that shades the ground and harvests the sun. The most striking feature - the roof created from an intricate web of curved timber beams - is based on Fibonacci spirals, a pattern found in many natural forms including the seeds of a sunflower head, pine cones and snail shells. Innovative features incorporated into the building include:

Water saving measures

 

* Rainwater is collected and used to flush the loos

* Automatic taps save water (by turning themselves off)

* Roof runoff is filtered through limestone to remove any copper runoff

* Reducing CO2 emissions by reducing fuel needs

 

The Core roof was made from Forest Stewardship Council (FSC) certified Red Spruce (Picea rubens) from Swiss sustainable forests. The beams for the roof are constructed using a technique known as Glulam (glue-laminated timber which is made from bonded, selected, planed layers of timber of parallel running grain). Glulam is incredibly versatile and is one of the strongest structural materials per unit of weight… and it generates no waste because its offcuts are used as a fuel.

 

The Copper Roof

 

The Eden sustainability team worked closely with its partners at international minerals company Rio Tinto and sourced the copper which covers The Core's roof from a single US mine: Kennecott Utah Copper Company’s Bingham Canyon mine, which has amongst the highest environmental and social standards of any copper mine in the world.

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