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ePaper created 2015-01-28, 14:04:45 | version 1.34.00
profile 14 schueco.com 67 because C2C-certified prod- ucts have been used as far as possible. It also depends on their connection. A lot of innovation and expertise is required at precisely this intersection of joining tech- nologies. We consider our- selves to be a link between the client, investor, developer and manufacturer to push these processes forward. The costs of the materials used in an average building account for approximately 20–30% of the gross con- struction costs. The loss of such considerable value through materials ending up on the rubbish tip following the service life of the building is regrettable from both a finan- cial and environmental per- spective. Constructions that can be recycled and C2C prod- ucts enable these materials to be reused. The flexibility inherent in recyclable con- structions results in a new fea- ture in the planning process. At the beginning, considera- tion has to be given to the replacement cycle of individu- of components. C2C advoca- tes putting thought into the composition of materials and consciously reducing them to the smallest possible num- ber of suitable components. Though this does not have an effect on the appearance. C2C refers to the clearly defined composition of the material, not the geometric complexity or the architecture. Martin Lutz: C2C means no restrictions. The functio- nal separation of the indivi- dual units and the intelligent closure of forms have to be ensured. This means that a sys- tem which is simple to design can be extremely complex. P R O F I L E : How will the use of materials in the con- struction industry develop? Va l e n t i n B r e n n e r : A »material passport« which we are currently developing will reveal what has been installed in the building. Like the energy passport, it should represent an inventory of the material al functional parts of a building such as building services, inte- rior design or façades to plan them accordingly. New busi- ness models come into play here: manufacturers can lease their materials to customers or guarantee to take them back, meaning a reduction in the price of new purchases. Recy- cling will be of great interest to manufacturers as they will get back the raw materials in- stalled at the end of their use. P R O F I L E : To enable buildings and products to be separated according to type at the end of their useful life, systems should presumably be as simple as possible. Does C2C advocate simplicity? V a l e n t i n B r e n n e r : Low-tech or simplicity cer- tainly supports the C2C concept and recycling. The simplicity aspect refers to the selection of a small num- ber of high-quality materials rather than a colourful mix components of a building. Today we don’t have any idea about which valuable materi- als or which harmful substan- ces are installed in our cities. M a r t i n L u t z : Like the Energy Plus building there will also be a Material Plus building. This will have a positive effect. A user could then replace their entire inte- rior after ten years with a clear conscience, because on the whole it would not have a negative effect on the environment. This will make our lives easier in the long run. d »1 Bligh Street« wurde als ers- tes Hochhaus mit einer »Six-Star World Leadership« Zertifizierung des australischen Öko-Standards green star ausgezeichnet. d »1 Bligh Street« was the first high rise to be recognised with a "Six-Star World Leadership" certification for the Australian "green star" ecological standards. g »1 Bligh Street«, Sydney/AU: Das Bürohochhaus verfügt über die erste natürlich belüftete Ganzglas-Doppelfassade in Australien. Die Durch- lüftung des Hochhauses erfolgt über das gebäude- hohe Atrium. g »1 Bligh Street«, Sydney, Australia: The office tower has the first naturally ventilated, all-glass twin-wall façade in Australia. The high rise is ventilated via the atrium which extends the full height of the building.