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Questions and feedback


Do you have specific questions or would you like to give us feedback on the virtual NEST tour? Then get in touch with us.



Further information


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But feel free to look around before you return to the Christmas tree. There is much to discover here.


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Antimicrobial wood surfaces


An enzymatic method patented by Empa enables antimicrobial iodine to be covalently bound in the wood structure. This binding is resistant to washout and is therefore permanent. The result is a wood surface that offers lasting protection from infestations by unwelcome microorganisms and thus increases the hygiene of wooden products significantly in bathrooms or kitchens. In the Vision Wood unit, the door handles are made of antimicrobial wood.
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Beech plywood as material for modular construction


Beech grows in abundance in Europe’s forests and, despite its high degree of mechanical strength, is barely used in construction. Instead, it is primarily used as fuel. Fagus Jura intends to change this by producing plywood panels made of beech for timber structures. The considerable strength of these panels enables a particularly slender structure in modular timber construction. The plywood panels were used in the Vision Wood unit and were constantly monitored and validated during the first operating period.
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Binder-reduced wood-fibre


By using natural enzymes, researchers from Empa have succeeded in producing high-quality wood-fiber insulation plates. Thanks to laccase-catalyzed reactions, the synthetic binding agent (styrene butadiene copolymer) can be replaced fully by sustainable, environmentally friendly biopolymers (lignin compounds, modified starch). This method satisfies the demands for sustainability and answers consumer calls for healthy living and energy efficiency. The insulation boards are now manufactured by Pavatex.
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Hydrophobic wood


In a two-step process, waterproof monomers on the cell walls of the wood structure are polymerized in situ without damaging the wood lumen. This results in a waterproof property right down to the deeper layers while preserving the look of the untreated wood.
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Magnetic Wood


By inserting iron oxide nanoparticles in the wood structure, magnets are able to stick to the wood. Unlike a conventional magnetic material, the hierarchical structure of wood is used to induce direction-dependent magnetic behavior (anisotropy) in the novel hybrid material (wood/metal). As for its application, it is possible to configure wood elements in such a way that they can be directed selectively or reoriented as required when a magnetic field is applied.
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Mineralized wood


Wood that defies fire? A team of researchers from Empa and ETH Zurich has succeeded in doing just that by embedding minerals – specifically calcium carbonate – deep into the wood structure. The storage takes place either in the wood cell walls or in the cell lumen. As a result, the treated wood achieves higher flame resistance, allowing it to be used in areas where flame retardant properties are required. In the Vision Wood unit, the room door is made of mineralized wood.


Read more here
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Modular timber construction


The Vision Wood unit was prefabricated in the factory as a modular timber structure made of beech plywood. The seven modules were transported by flatbed truck to the NEST construction site, where they were lifted between the cantilevered platforms.
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Optimized energy efficiency for the best indoor climate


In the Vision Wood unit, the aim is to achieve an optimal indoor climate while at the same time ensuring high energy efficiency. All radio switches for light and sun protection as well as all sensors for monitoring the indoor climate do not require electricity from the grid: They draw their energy solely from the movement of the button pressure or tiny integrated solar cells.
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Sustainable and flame-retardant PU foams


Empa researchers have developed a new synthetic route for environmentally friendly flame retardants. The halogen-free and flame-retardant EDA-DOPO can be used to replace conventional toxic additives in polyurethane (PU) foams – with the same or even better protection of the material. In the Vision Wood unit, prototype mattresses with sustainable PU foams were used. Today, the foams are on the market and are mainly used for car seats.


Read more here
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Vision Wood: The oldest building material as a jack of all trades


The Vision Wood unit stands for a visionary approach to the natural and renewable resource of wood in the building industry. Here, the latest developments in wood research are combined with the know-how of contemporary timber construction.
With the aim of considerably broadening the range of applications for wood, researchers at Empa and ETH Zurich have equipped this well-known material with completely new characteristics and improved the properties of wood-based materials.


Use: apartment for 3 people


Opening: May 2016


Partners: Empa, ETH Zurich, Renggli AG, Federal Office for the Environment FOEN, EgoKiefer AG, Fagus Suisse SA, Glaeser Wogg AG, Henkel, Ruum Architekten, Sauter AG, Taconova Group AG, Wesco AG


Website Vision Wood


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Weathering protection of wood surfaces in outdoor areas


Surface treatments developed at Empa improve the weather resistance of wood in outdoor applications. The durability of acrylate coatings with nanofibrillated cellulose as a reinforcing component and substrate, as well as of melanized and iodized wood surfaces, is being observed under practical conditions on ten test sites integrated into the facade of the Vision Wood unit. The targeted improvements relate in particular to UV protection and the reduction of colonization by sooty molds. The long-term trial at NEST will provide a direct comparison.


## Tour ### Beschreibung tour.description = Virtual tour of the research and innovation building NEST of Empa and Eawag ### Titel tour.name = Virtual NEST Tour