#: locale=de-CH ## Aktion ### URL LinkBehaviour_F17C927B_E5BB_D7E9_41E7_275653D94181.source = https://www.empa-virtual.ch/nest/de/step2 LinkBehaviour_9CD319D6_8842_BD2D_41E0_8D3C37534F58.source = https://www.empa-virtual.ch/nest/en/index.htm?skip-loading&media-index=3 LinkBehaviour_AA50F1E6_A781_6389_41C1_9796F44A5DE4.source = https://www.empa-virtual.ch/nest/en/sfw/ LinkBehaviour_A9ECC4C6_A783_6189_418D_597A1D81A700.source = https://www.facebook.com/sharer/sharer.php?u=https%253A%252F%252Fempa-virtual.ch%252Fnest%252Fde%252F LinkBehaviour_AA6F2617_A783_E088_41DE_87D74F4DC5DD.source = https://www.linkedin.com/sharing/share-offsite/?url=https%253A%252F%252Fempa-virtual.ch%252Fnest%252Fde%252F LinkBehaviour_BBAEBF8B_9EB7_C418_41DF_49C9761A38CC.source = https://x.com/intent/post?source=webclient&url=https%253A%252F%252Fempa-virtual.ch%252Fnest%252Fen ## Hotspot ### Tooltip HotspotPanoramaOverlayArea_44A033CF_5C12_4D2F_418D_1F8F990806A7.toolTip = 3D-molded wall panels using upcycled materials HotspotPanoramaOverlayArea_F50BD3FB_E5AE_34E9_41B4_747D5F1449FC.toolTip = 3D-molded wall panels using upcycled materials®​ HotspotPanoramaOverlayArea_706AE843_5AE8_7FCE_41CF_D03560F06A6C.toolTip = 3D-molded wall panels using upcycled materials​ HotspotPanoramaOverlayArea_6D544C4A_7580_C248_41D0_E855DBFBB6F6.toolTip = 3D-molded wall panels using upcycled materials​ HotspotPanoramaOverlayArea_28CC183C_080C_FBB0_4192_68E98014FD62.toolTip = 3D-molded wall panels using upcycled materials​ HotspotPanoramaOverlayArea_F60CA0F2_E8DB_55FC_41E5_A16B18D2D46E.toolTip = A small lamp with a big impact ​ HotspotPanoramaOverlayArea_F80F97AA_E8DF_79D9_41E7_BD42CDF2A331.toolTip = A successful collaboration with BASF HotspotPanoramaOverlayArea_AC6DD1B8_B095_8CD5_41E2_996965DE9456.toolTip = Air conditioning unit for peak shaving HotspotPanoramaOverlayArea_7703A16F_5AE8_71D7_41D3_97B88531FB37.toolTip = An integrated acoustic solution HotspotPanoramaOverlayArea_A014D462_B0EB_B65C_41D7_63E6235BA339.toolTip = An integrated acoustic solution HotspotPanoramaOverlayArea_AE6CC53E_B0B7_F5E9_41C9_14BB4E32C6FE.toolTip = Automated ventilation flaps in the façade HotspotPanoramaOverlayArea_6B78BD3F_790B_732F_41DB_869E1994032F.toolTip = Büro HotspotPanoramaOverlayArea_FC8B68F1_E8C5_374B_4191_CBFBB25A2A1E.toolTip = Developing marketable solutions using a co-creation concept HotspotPanoramaOverlayArea_77CC20E7_5AD8_10D6_417D_8B784BE28943.toolTip = Developing marketable solutions using a co-creation concept HotspotPanoramaOverlayArea_70512A5D_5AD8_F3FB_41CB_9C32D181E3FD.toolTip = Digitally manufactured concrete staircase HotspotPanoramaOverlayArea_A44CB90A_B0FC_9FC4_41DB_1E6AA8CFD40C.toolTip = Digitally manufactured concrete staircase HotspotPanoramaOverlayArea_4FC5FF29_5AE8_F15A_41A7_F4E662F44F88.toolTip = Digitally manufactured concrete staircase HotspotPanoramaOverlayArea_28CCD83C_080C_FBB0_4182_62A73A9AC656.toolTip = Digitally manufactured concrete staircase overlay_C5580D06_A7A5_0D3A_41D2_7184E1E42079.toolTip = Emily Packer, Coldharbour Tiles HotspotPanoramaOverlayArea_AAB5E517_B0B4_940B_41D4_B3ECD8D9BC07.toolTip = Entrance HotspotPanoramaOverlayArea_6D4CB2CA_7909_B10D_41C5_81940AB7FD7B.toolTip = Entrance HotspotMapOverlayArea_D96FC953_EF69_FDBE_41D1_47FED42DEEBE.toolTip = Entrance HotspotPanoramaOverlayArea_B987A784_984D_2688_41C7_ECDC22E02DE3.toolTip = Entrance HotspotPanoramaOverlayArea_B9FF3B91_984B_6E89_41BF_F5E0C5468BE0.toolTip = Entrance HotspotPanoramaOverlayArea_634B1B6C_7581_C649_41A6_1E98E4D8A91E.toolTip = Entrance HotspotPanoramaOverlayArea_694843F4_7581_C65A_41DA_11319C411866.toolTip = Entrance HotspotPanoramaOverlayArea_4E36BF23_5AE8_F14E_41C3_9D38A4253871.toolTip = Entrance HotspotPanoramaOverlayArea_4E440E82_5AE8_134E_41C9_3E8B3E2E2142.toolTip = Exterior view STEP2 HotspotPanoramaOverlayArea_F6B2FDB9_E8C7_4C6C_41DA_AB6FF64950EC.toolTip = Exterior view STEP2 HotspotPanoramaOverlayArea_D772E13D_A2AD_1244_41E1_9BA95C519649.toolTip = Floor panels made of used denim fibers HotspotPanoramaOverlayArea_28A8AC5A_A2A5_12CD_41DE_2270175A84DC.toolTip = Floor panels made of used denim fibers HotspotPanoramaOverlayArea_FC19482E_E5AA_536B_418A_1DBF47053D2C.toolTip = Floor panels made of used denim fibers HotspotPanoramaOverlayArea_6978573C_7580_CFCA_41DD_046020E803B3.toolTip = Floor panels made of used denim fibers HotspotPanoramaOverlayArea_2AFF93CF_A2BD_15C3_41E0_2A023298EF4F.toolTip = Floor panels made of used denim fibers HotspotPanoramaOverlayArea_4AA01EB9_5C17_D770_41D1_89E6C328CA9E.toolTip = Floor panels made of used denim fibers HotspotPanoramaOverlayArea_FF3A3250_E94D_5B49_41E7_EB38DCF23066.toolTip = Floor panels made of used denim fibers​ overlay_E5474C41_EA9A_4E61_417F_B6A19D09981E.toolTip = Frank Reuter, BASF HotspotPanoramaOverlayArea_4FC5BF2A_5AE8_F15E_41D5_B910CBC134B6.toolTip = Further applications for 3D designs using acForm HotspotPanoramaOverlayArea_F55BAB90_E5AA_D538_41C4_73D92DE7F9F1.toolTip = Further applications for 3D designs using acForm® HotspotPanoramaOverlayArea_F5382E0D_E5AE_2F28_41E1_63709993B233.toolTip = Further applications for 3D designs using acForm® HotspotPanoramaOverlayArea_F50B5185_E5A9_F518_41C5_F88060087686.toolTip = Further applications for 3D designs using acForm® HotspotPanoramaOverlayArea_C5896E88_ED27_9485_41C2_8DD47D35E6D1.toolTip = Ground floor HotspotPanoramaOverlayArea_E7831ABD_E8DC_CB3B_41B4_5FCC4B392235.toolTip = Ground floor HotspotPanoramaOverlayArea_6EA6DCAA_758F_C2CF_41C3_FE1C3B970646.toolTip = Ground floor HotspotPanoramaOverlayArea_F5A32A5A_E8C4_F42C_41E0_CD73B53285B4.toolTip = High-performance insulation with clay foam​ HotspotPanoramaOverlayArea_6F672D96_7978_D300_41D3_F3B202198C47.toolTip = Innovative lighting concept HotspotPanoramaOverlayArea_4FC6FF26_5AE8_F156_41C2_863B0AAE65F4.toolTip = Innovative lighting concept HotspotPanoramaOverlayArea_6260AAF4_7581_C658_41DD_1E9EB017DFD9.toolTip = Innovative lighting concept HotspotPanoramaOverlayArea_6D22B962_7908_F330_41D3_3EAFBD403BDD.toolTip = Innovative lighting concept HotspotPanoramaOverlayArea_28D29839_080C_FBB0_419F_7370B7A17DD7.toolTip = Innovative lighting concept HotspotMapOverlayArea_DD227252_EF68_AFBF_41E8_3E2AB1ED3424.toolTip = Kitchen area HotspotPanoramaOverlayArea_F1877287_E94D_572D_41DB_4E877F47D565.toolTip = Kitchen area​ HotspotPanoramaOverlayArea_F10C2638_E9DD_DFFA_41C6_AFC7C759B1E1.toolTip = Kitchen area​ HotspotPanoramaOverlayArea_F36F75FA_E95B_DCF1_41D9_DDFC745DA844.toolTip = Kitchen countertop cover and splashback made from fishing nets HotspotPanoramaOverlayArea_F80F17AB_E8DF_79DF_41E1_1F55AD107896.toolTip = Kitchen fronts made from coffee grounds​ HotspotPanoramaOverlayArea_68E3C914_7581_C3DB_41CF_3073E14E7608.toolTip = Lounge HotspotMapOverlayArea_DEAEEC4E_EF78_9BA6_41B9_B01730472CFE.toolTip = Lounge HotspotPanoramaOverlayArea_F042E362_E94F_75E1_41E4_F4C06FE52B0C.toolTip = Lounge​ HotspotPanoramaOverlayArea_4FC4DF31_5AE8_F14A_41C2_407E99E5272B.toolTip = Maintenance room HotspotPanoramaOverlayArea_91F6CF9A_83D9_BF26_4180_172EE259359E.toolTip = Maintenance room HotspotPanoramaOverlayArea_28FB4869_083B_DBD1_417E_248A36F39E7C.toolTip = Maintenance room HotspotMapOverlayArea_2A918C52_0805_BBF3_419A_46EEF2084EE6.toolTip = Maintenance room HotspotMapOverlayArea_284381EA_0804_CCD3_4189_A80CC612FD67.toolTip = Meeting area HotspotPanoramaOverlayArea_BF5B276C_B0EC_9236_41D3_32664BB3A2DB.toolTip = Meeting area HotspotPanoramaOverlayArea_5C4217EE_7B09_DED0_41B0_5F6D1B49ED9B.toolTip = Meeting area HotspotPanoramaOverlayArea_4FC58F2B_5AE8_F15E_41AC_DDE94BF70FD2.toolTip = Meeting area HotspotPanoramaOverlayArea_6F308030_7580_41DA_41DC_0DF3736A8FB4.toolTip = Meeting area​ HotspotPanoramaOverlayArea_AB636B8C_B095_FC08_41D4_405050E2AABD.toolTip = OKAfree – Customized shading​ HotspotPanoramaOverlayArea_A53D73BB_83BB_1E64_41D6_D28F1F28BDD7.toolTip = OKAsolar – Optimized daylight system HotspotPanoramaOverlayArea_A6B38EC1_83B7_6624_41C9_40DFB78032E8.toolTip = OKAsolar – Optimized daylight system HotspotPanoramaOverlayArea_F1A42D79_E5AA_2DE8_41E0_E777BA0D7BA2.toolTip = OKAsolar – Optimized daylight system for the façade HotspotPanoramaOverlayArea_7040EA59_5AD8_F3FB_41D3_F36407784F06.toolTip = Obergeschoss HotspotPanoramaOverlayArea_67D84792_7580_CEDB_41D1_7A6B8396C46C.toolTip = Office HotspotMapOverlayArea_28938289_0804_CF51_419E_615E985ECA95.toolTip = Office HotspotPanoramaOverlayArea_62E5BAEF_7580_C648_41C9_CDD3BB0B3339.toolTip = Office HotspotPanoramaOverlayArea_6C8EBB46_7919_D77E_41C6_D9E4BFE68FC5.toolTip = Office HotspotPanoramaOverlayArea_712D5BDF_613E_4D1D_4186_080D4FA7B1CF.toolTip = Olivier Enger, BASF HotspotMapOverlayArea_174BF513_0804_7571_41A1_5772EA4C33D3.toolTip = Panoramic view HotspotPanoramaOverlayArea_F80997A6_E8DF_79C9_41E9_D978FEDAE8D3.toolTip = Panoramic view​ HotspotPanoramaOverlayArea_F78C96F6_E9C7_3C79_4182_84931A19B938.toolTip = Panoramic view​​ HotspotPanoramaOverlayArea_97E80883_83E7_812C_41B3_43D8E3C8A7C6.toolTip = Patio HotspotMapOverlayArea_2A80E446_087B_CBD0_4176_636B314FED3C.toolTip = Patio HotspotPanoramaOverlayArea_9011A8FD_83D8_82DF_41D1_364A5E89B2B9.toolTip = Patio HotspotPanoramaOverlayArea_C7DDAC52_ED58_9B87_41CB_ACF7EA5CF304.toolTip = Patio​ HotspotPanoramaOverlayArea_AFF4B235_B0B4_8FE5_41DA_59D6992F706D.toolTip = Phase change materials as an additional thermal storage mass​ HotspotPanoramaOverlayArea_ACE52822_B0FD_7C34_41D7_77A016B3EFBE.toolTip = Photovoltaics on the façade HotspotPanoramaOverlayArea_6FED0A76_7907_511A_41B9_7141FC174F06.toolTip = Photovoltaics on the façade HotspotPanoramaOverlayArea_2BCBED5B_A2A4_F2C2_41CF_82EAB5FC843C.toolTip = Resource-optimized floor system HotspotPanoramaOverlayArea_28CDA83A_080C_FBB0_418F_EF0FAA291374.toolTip = Resource-optimized floor system HotspotPanoramaOverlayArea_7776016E_5AE8_71D9_41AD_65B79DED5775.toolTip = Resource-optimized floor system HotspotPanoramaOverlayArea_6C0158D1_7909_F114_41D4_0B35A6954E51.toolTip = Resource-optimized floor system HotspotPanoramaOverlayArea_75870C97_614E_4BEE_41A0_9A3A801C012D.toolTip = Silvan Oesterle, ROK overlay_50DBA352_7580_C65E_41BC_829C50114667.toolTip = Simulations on the digital twin HotspotPanoramaOverlayArea_FCF7C819_E94C_F6FB_41C5_249FCA293230.toolTip = Simulations on the digital twin​ HotspotPanoramaOverlayArea_70517A5C_5AD8_F3F9_41D6_777AD6908490.toolTip = Sitzungsbereich HotspotPanoramaOverlayArea_6D19657A_790B_B30D_41B4_E2A1909B28AA.toolTip = Sitzungsbereich​ HotspotPanoramaOverlayArea_631FB78C_7580_CEC9_41D9_5ECC769D7783.toolTip = Staircase Cadenza HotspotPanoramaOverlayArea_7050BA5C_5AD8_F3F9_41CC_43D537C0FF06.toolTip = Staircase Cadenza HotspotMapOverlayArea_DE51374F_EF69_B5A6_41D1_01A528AB4D34.toolTip = Staircase Cadenza HotspotPanoramaOverlayArea_29835778_083C_55BF_4199_70B729B8DD25.toolTip = Staircase Cadenza overlay_6D1F9958_5C15_DD31_41D0_3DF60BB57087.toolTip = Systemic energy and comfort concept HotspotPanoramaOverlayArea_69BDD754_7580_CE5A_41B4_A6232A172EF0.toolTip = Systemic energy and comfort concept overlay_730C5D93_5C72_D530_41CE_C43E88FFAB3F.toolTip = Systemic energy and comfort concept HotspotPanoramaOverlayArea_FFEC188D_E94F_D7DB_41DB_19A24219D67C.toolTip = Systemic energy and comfort concept​ HotspotPanoramaOverlayArea_9139F24F_83D8_813E_41D7_F9AEE8A17F4E.toolTip = Technikraum overlay_92EBE9F6_8074_1C13_41DB_DD86D8AB861A.toolTip = Tim Karwisch, BASF​ HotspotPanoramaOverlayArea_C6A4D8B4_ED59_7C83_41EA_A8A52B9E7CFF.toolTip = Upper floor HotspotPanoramaOverlayArea_4FC42F2C_5AE8_F15A_41A8_D88398B284C1.toolTip = Upper floor HotspotPanoramaOverlayArea_6517AE8E_7580_3ECB_41C8_2D0DF985FD7D.toolTip = Upper floor HotspotPanoramaOverlayArea_63C04C95_7580_42D8_41B6_3F9CE5051A6C.toolTip = Upper floor HotspotPanoramaOverlayArea_7027E39F_5AD8_1176_419E_6F39380A3A25.toolTip = Using the façade as a development platform HotspotPanoramaOverlayArea_6CD235FB_7918_B315_41DC_261B119D1810.toolTip = Using the façade as a development platform HotspotPanoramaOverlayArea_6DE6BC65_7580_427B_41DA_BB1031FF9F1B.toolTip = Using the façade as a development platform HotspotPanoramaOverlayArea_FC9E5C13_E8CD_4ECF_41EC_F0779D97277A.toolTip = Using the façade as a development platform HotspotPanoramaOverlayArea_AC64261F_B09D_B7C1_41BA_3547F5E54287.toolTip = Wall panels made from paper waste and coffee grounds​ ## Media ### 360 Video ### Floorplan ### Image imlevel_8AB91A6C_99F2_E6BC_41DC_4AF555D28228.url = media/ToggleZoomImage_F26E0ECE_EE10_AAAB_41D7_01324B4484F2_de-CH_0_0.jpg imlevel_8AB8CA6C_99F2_E6BC_41E0_752083020101.url = media/ToggleZoomImage_F26E0ECE_EE10_AAAB_41D7_01324B4484F2_de-CH_0_1.jpg imlevel_8AB8DA6C_99F2_E6BC_41E1_ACB6E347194E.url = media/ToggleZoomImage_F26E0ECE_EE10_AAAB_41D7_01324B4484F2_de-CH_0_2.jpg imlevel_8AB8EA6C_99F2_E6BC_41C4_09E7A8706A99.url = media/ToggleZoomImage_F26E0ECE_EE10_AAAB_41D7_01324B4484F2_de-CH_0_3.jpg imlevel_8BAD5D38_99F2_A2A5_41D8_28CD8F43DE66.url = media/map_2AECFD48_087C_D5D0_4191_7DE9F139AB12_de-CH_0.png imlevel_8BACBD38_99F2_A2A5_41D5_9B432E7094D4.url = media/map_2AECFD48_087C_D5D0_4191_7DE9F139AB12_de-CH_1.png imlevel_8BAC8D38_99F2_A2A5_41E1_7DFAEABDFA1D.url = media/map_2AECFD48_087C_D5D0_4191_7DE9F139AB12_de-CH_2.png imlevel_8BAC2D51_99F2_A2E4_41D7_8D767481EE45.url = media/map_894CD71A_9964_44FB_41CA_354F9C9A0495_de-CH_0.png imlevel_8BAC3D51_99F2_A2E4_41D0_4DD25D021CB3.url = media/map_894CD71A_9964_44FB_41CA_354F9C9A0495_de-CH_1.png imlevel_8BAC1D51_99F2_A2E4_41C9_6ABEC3871498.url = media/map_894CD71A_9964_44FB_41CA_354F9C9A0495_de-CH_2.png imlevel_8AB83A92_99F2_E665_41D5_26D4D8ADA854.url = media/zoomImage_5D6DE7F9_3B69_3DE1_41A3_807926886920_de-CH_0_0.png imlevel_8ABBCA92_99F2_E665_41D7_6B659E936F03.url = media/zoomImage_5D6DE7F9_3B69_3DE1_41A3_807926886920_de-CH_0_1.png imlevel_8ABBDA92_99F2_E665_41D5_BC3AEC10607C.url = media/zoomImage_5D6DE7F9_3B69_3DE1_41A3_807926886920_de-CH_0_2.png imlevel_8ABBFA92_99F2_E665_419A_440F78C327B9.url = media/zoomImage_5D6DE7F9_3B69_3DE1_41A3_807926886920_de-CH_0_3.png imlevel_8AB89A7C_99F2_E69C_41E2_68DC4DAC2CC2.url = media/zoomImage_BD2DAEDC_F2C1_EA05_41D4_BC1A13F301A1_de-CH_0_0.jpg imlevel_8AB8BA7C_99F2_E69C_41CF_8A882EEDF318.url = media/zoomImage_BD2DAEDC_F2C1_EA05_41D4_BC1A13F301A1_de-CH_0_1.jpg imlevel_8AB85A7C_99F2_E69C_41DE_4EFA916CD3DC.url = media/zoomImage_BD2DAEDC_F2C1_EA05_41D4_BC1A13F301A1_de-CH_0_2.jpg imlevel_8AB86A7C_99F2_E69C_41A3_501729C1954E.url = media/zoomImage_BD2DAEDC_F2C1_EA05_41D4_BC1A13F301A1_de-CH_0_3.jpg ### Popup Image ### Titel panorama_07EEC4F4_080C_F4A5_417C_A6B7964DF1D8.label = 73 STEP2 - Entrée panorama_4F521CF4_5AE8_30C9_41CD_F8BFEF5BE085.label = 73 STEP2 - Entrée Nacht media_8FE58D7D_9D88_C4E3_41D1_7C2CDED94D1D.label = 73-Entree_video (VR2 Edit 4_) video_FBE5F984_EA9D_D6E7_41E9_0CF1138D5C88.label = 73-Entree_video-EN (VR2 Edit 6) panorama_858D390E_9EED_340A_41E2_6975B70BFBB6.label = 74 STEP 2 - Treppe Cadenza panorama_4F8F822E_5AE8_1359_41B4_05CDB63942AB.label = 74 STEP 2 - Treppe Cadenza Nacht panorama_190AF764_0804_B5A5_4187_F65876B35DE6.label = 75 STEP2 - Sitzungsbereich panorama_07A31B5E_081B_FDE5_418C_112D849658E9.label = 76 STEP2 - Terrasse panorama_4E055791_5AE8_114B_41C5_17C4C1DDF101.label = 76 STEP2 - Terrasse Nacht panorama_07C54115_0805_CD64_417E_70ECFAC3139F.label = 77 STEP2 - Büro video_FA05473C_EA9A_7A20_41E1_1259E570A802.label = 77-Büro_StatistenEN (VR2 Edit 3) panorama_07C351D1_081C_4CFF_4170_FFE48472B5B1.label = 78 STEP2 - Lounge panorama_07937A49_081C_7FEC_4187_50DAFDA2C20A.label = 79 STEP2 - Küchenecke video_939D448E_8074_14F3_41C6_BB7879F5F08D.label = 79-Kuechenecke-video-EN (VR3 Edit 3) panorama_07A49008_081C_CB6E_419F_BBE2811C7D3E.label = 80 STEP2 - Technikraum panorama_07ED8D35_081C_55A7_419A_775A468E4EE4.label = 81 STEP2 - Panoramablick album_EFE1C101_F1CE_F7FF_41E3_9B9A9452F06B.label = Fotoalbum STEP2_73e_Karussel1_Fassadenmodul album_80F30527_A134_FA5E_41C0_4B1BE6142C77.label = Fotoalbum STEP2_74d_Karussel1_Mehr Anwendungsbeispiele für 3D-Designs mit acForm album_D9100274_F246_5A05_41DB_6FB0715EE056.label = Fotoalbum STEP2_75a_Karussel1_OKAfree_GIF album_87D25499_A0F5_1A72_41C3_418DF08D9F64.label = Fotoalbum STEP2_77b_Karussel1_Tonschaum als Dämmung album_B3194F04_A137_0652_419C_B149B0124420.label = Fotoalbum STEP2_79_Küchenfront album_8AE10019_A30C_FA72_41BE_21DA1BFD8D6B.label = Fotoalbum STEP2_79b_Karussel1_Küchenrückwand aus Fischernetzen album_864A0ABE_8B78_7A79_41D3_DDC6EC99A055.label = Fotoalbum U_SFW_31_a_Bild1_KonzeptWaermepumpe_neu_DE map_2AECFD48_087C_D5D0_4191_7DE9F139AB12.label = STEP2 - Ground floor 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3D-molded wall panels using upcycled materials  


The strikingly shaped wall panels consist of a core of wood fibers bonded with BASF's acForm®. This binder technology enables 3D designs with wood fibers that can be produced efficiently and quickly on a standard hot press. The top layer on both sides consists of a composite material made from coffee grounds and paper waste with Acronal® as a binder. The application was developed in collaboration with BASF partners 21upcycling, Sonae Arauco, Steico and Trabattoni Stampi.


Further Information
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A digitally designed and manufactured "floating" concrete staircase


The concrete staircase called “Cadenza” leads to the second floor of the STEP2 unit. The project team included experts from ROK Architekten, the “Digital Building Technologies” chair at ETH Zurich, the former BASF subsidiary Forward AM, the 3D printing company New Digital Craft, the precast concrete manufacturer SW Umwelttechnik, the engineering firm WaltGalmarini and the Empa spin-off re-fer.


As with other innovative projects, the team utilized the full potential of digital design and 3D printing. The steps are extremely thin and only fixed at one point, "threaded" onto a curved steel rod, which gives the impression of the steps floating in midair. By using 3D-printed formwork, it was possible to create more complex shapes than would have been achievable with a conventional solution. Furthermore, the formwork can be used several times, which means that the amount of material required for both the staircase and the formwork can be significantly reduced.


The prefabricated steps contain around 40 percent of the volume of a conventional concrete spiral staircase. Using re-fer's prestressing technology, the individual elements were assembled at Empa in Dübendorf and then lifted into the STEP2 unit through a narrow opening in the floor slab. The finished staircase can be dismantled and reused relatively easily, thanks to the innovative prestressing technology. "Cadenza" impressively demonstrates an approach to facilitating customized, resource-saving concrete elements.


As with the ceiling, the staircase forms a thermal storage mass and is therefore an integral part of STEP2's energy concept.


Further Information
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A multifunctional and resource-optimized floor system


The innovative ribbed filigree ceiling, which is being used for the first time in the STEP2 unit, is a joint venture of architectural office ROK, engineering firm WaltGalmarini AG and Stahlton Bauteile AG. It is not merely a structural element but performs additional functions in relation to the thermal balance or acoustics in the unit: key characteristics regarding building physics were integrated directly into the slab. Its digital planning and production chain is a good example of functional integration delivering highly efficient, resource-optimized structures.


In order for the ceiling to function as a thermal storage mass, the air inside the building has to be able to circulate past its surface unhindered. A conventional acoustic ceiling required for the room acoustics was therefore not feasible. Instead, it was functionally integrated directly into the concrete floor slab. A hexagonally structured honeycomb surface ensures that the sound is dispersed along the surface. Behind the circular openings are 3D printed acoustic boxes filled with mineral clay foam, which absorbs the sound efficiently. The surface structure of the ceiling offers an additional advantage: it increases its surface area by around 15% and thus improves heat exchange with the thermal mass of the ceiling.


The ceiling system allows spans of between 8 and 14 meters, making it ideal for use in office and high-rise construction. The individual elements were prefabricated in Stahlton's factory using 3D-printed mineral formwork, then transported to NEST and assembled in the unit. Thanks to the combination of digital planning and 3D printing, the amount of material used – and therefore CO2 emissions as well – were reduced by 40 percent, compared to conventional concrete floor slabs. The formwork and the ceiling elements themselves are 100% mineral and recyclable.
Further information
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A small lamp with a big impact


Bartenbach's patented pinhole lens (LFO) with a light-emitting surface of 8mm diameter has been further developed in the STEP2 unit project. For the first time, tunable light from 2200K-5000K with up to 850lm is emitted from a single point in a luminaire. This corresponds to the luminous flux of a 60W light bulb (free-radiating), but requires only 14 percent of its corresponding energy.
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Air conditioning unit for peak shaving


In the STEP2 unit, the interior is conditioned using passive systems, shading, natural ventilation and sufficient thermal storage mass. If the passive measures are not sufficient, an air conditioning unit can step in to ensure the desired room comfort - for example on hotter than average summer days. The simulation model created by WaltGalmarini predicts the need to break such peaks by using the air conditioning unit for three days in winter and six days in summer for the entire unit over the course of a year. Their model is now being validated in real operation and further optimized.


Erich Keller AG developed and built the air conditioning unit with low system temperatures especially for the STEP2 unit. It uses only slightly tempered water and is therefore particularly energy-efficient, while emitting very little noise. In addition to passive temperature equalization through the thermal mass of the building, it ensures a balanced and pleasant room climate on extreme days - without draughts or strong temperature fluctuations. The low flow temperatures make the system ideal for operation with heat pumps or other renewable energy sources. It therefore makes a further contribution to STEP2's overall sustainable energy balance.
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An integrated acoustic solution 


To enhance room acoustics, the industry partners involved have developed an innovative acoustic solution that can be discreetly integrated into the ribbed filigree ceiling: a 3D-printed acoustic box.
A conventional acoustic solution, such as a suspended ceiling, would have severely impaired the successful implementation of STEP2's energy concept. 3D printing, however, makes it possible to adapt the boxes precisely to the shape of the ceiling.


Inside the box, BASF's Cavipor® clay foam is used for the first time for sound insulation. The recyclable, mineral-based insulation material, which was originally developed for energy-efficient renovation of double-shell masonry, has better sound absorption in the medium frequency range than conventional solutions. Its porous structure fractures the sound on its way through the foam, which prevents reflection - i.e. reverberation.
This innovative acoustic solution enables high acoustic quality within the room, even with sound-reflecting surfaces, while at the same time giving architects greater design freedom.


Further information
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Automated ventilation flaps in the façade


Automated, floor-to-ceiling ventilation flaps are a key component of the passive energy system in the STEP2 unit. These are integrated into the façade to allow natural ventilation as required. They open gradually when the CO2 content or indoor temperatures rise. As the flaps run across the entire height of the room, a large, vertical air roll is created, which ensures efficient ventilation. During summer nights, the flaps are used for passive night-time cooling of the unit and its thermal masses. In the increasingly warmer summer months, this can significantly reduce the need for active cooling. The ventilation flaps therefore make an important contribution to both the air quality, as well as the energy efficiency of the building.
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Developing market-ready solutions through co-creation


Construction usually works in a serial manner: every involved partner completes their work at a certain point in the overall timeline and then hands over the site to the next party. When it comes to innovation, though, this approach does not lead to satisfactory results. For the quality of realized solutions, it is imperative that all involved parties work together along the value chain from the beginning, thus contributing to a common goal with their individual and valuable expertise. The two-story unit STEP2 demonstrates in an impressive manner what is possible by applying this cooperative approach. Involving every partner, the project team carefully evaluated and defined a business case for each innovation ahead of construction, because the ambition was to realize only what has real market potential in the construction industry. Therefore, over a period of three years, partners from industry and from research have developed innovations in the field of circular economy, industrial and digital fabrication, as well as building envelopes and energy systems that fulfill this claim.


Usage: two-story innovation workshop and office space


Opening: August 2024


Partners: Empa, BASF, ROK Architekten, Digital Building Technologies – ETH Zürich, AEPLI Metallbau, Stahlton Bauteile, SW Umwelttechnik, WaltGalmarini, Bartenbach, Forward AM Technologies, Hilti, New Digital Craft, re-fer AG


Website STEP2
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Exterior view of the NEST unit STEP2
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Floor panels made of used denim fibers


Large waste streams are constantly being generated worldwide – in some cases directly from the manufacturing industries, such as the textile industry. The STEP2 unit therefore demonstrates how these supposed waste streams can be given new life through upcycling. BASF binder technology makes it possible to transform residual materials into innovative components for the construction and furniture industries.


STEP2's floor panels, for instance, consist of a composite material made from denim fabric scraps and Acronal® as a binder. The application was developed in collaboration with BASF partners 21upcycling, LICO and Refalett.


Further information


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Further applications for 3D designs using acForm®


BASF's acForm® binder technology makes it possible to produce 3D designs from wood fibers efficiently and quickly on a standard hot press. There are numerous possible applications for these 3D designs, such as the seat shell made of wood fibers produced by Desmet and the furniture surface made with insulating material from Steico.


Further Information
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High-performance insulation with clay foam


The high-performance Cavipor® clay foam provides seamless thermal and sound insulation in the floor of the STEP2 unit. It also compensates for the height differences in the sloping screed. This allowed the floor to be laid on the substructure without any problems. The unique in-situ foam combines the advantages of a mineral insulating material with the fast, safe and clean application of a self-sealing foam system. After drying, the foam has optimal thermal and acoustic insulation properties and is dimensionally stable. 


In the STEP2 unit, Cavipor® was used for the first time in a wood hybrid application.


Weiterführende Informationen
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Hoch- & Tiefgestellte Zeichen



Hochgestellt:


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Tiefgestellt:


CO₂,


₀₁₂₃₄₅₆₇₈₉


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ₐ ₑ ₒ ₓ ₔ ₕ ₖ ₗ ₘ ₙ ₚ ₛ ₜ



Liste unter: https://de.wikipedia.org/wiki/Unicodeblock_Hoch-_und_tiefgestellte_Zeichen


Hochgestellt:


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Innovative lighting concept


The lighting concept for STEP2 enables the design of several visually appealing and effective scenes for both day and night. In addition to sophisticated daylight control, using the OKAfree or OKAsolar systems, the artificial lighting solution delivers an innovative and sustainable solution: its focus deliberately lies on people and their visual, emotional and biological requirements of light. Lighting requirements vary depending on the activity, time of day and emotional or biological state. This not only requires spectral adaptation, it also requires taking into account the distribution of light. The aim of the STEP2 unit was therefore to develop and implement a holistic lighting concept that supports people's health, well-being and performance in a targeted and long-term manner.


The integrative lighting, which is embedded in the building's architecture, represents a combination of daylight, daylight supplementation and artificial lighting at night. All systems are tailored according to each room's use case. To save material, the unit makes use of miniaturized systems, while design components are omitted entirely. To avoid scattered light, only highly transparent or reflective optics are used. This directs the light exactly where it is needed, optimizing energy consumption.



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Kitchen countertop cover and splashback made from fishing nets


The close collaboration between BASF and the Berlin-based start-up Coldharbour Tiles Deutschland GmbH is a prime example of the principles of circular economy. Coldharbour Tiles is a luxury eco-tile brand that produces wall and decorative tiles from recycled fishing nets. These now form the kitchen countertop cover and splashback in the STEP2 unit.
By partnering up with BASF and using Swiss-made IrgaCycle® additive solutions in production, Coldharbour Tiles improves the quality of the recycled materials and increases the durability of its tiles. This partnership supports Coldharbour Tiles in its goal of transforming unwanted fishing nets into luxurious, environmentally friendly tiles.


Further information
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Kitchen countertop cover and splashback made of recycled fishing nets – a successful collaboration with BASF


Emily Packer is the founder of Coldharbour Tiles Deutschland GmbH. In this video, she talks about her successful collaboration with BASF.


Further information


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Kitchen fronts made from coffee grounds


The furniture fronts in the kitchen of the STEP2 unit consist of a composite material made from coffee grounds and acForm® as a binder. Enabled by BASF's binder technology, this allows the upcycling of waste materials into innovative components for the construction and furniture industries. Coffee grounds are well suited for this application as they are continuously generated in large quantities globally. The use of this waste product reduces the need for new raw materials. The application was developed in collaboration with BASF partner 21upcycling. It is also suitable for other 3D designs, such as a coffee tray made from coffee grounds and furniture elements.


Further information
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Küchenrückwand und -abdeckung aus Fischernetzen – Eine erfolgreiche Zusammenarbeit mit BASF


Emily Packer ist die Gründerin von Coldharbour Tiles Deutschland GmbH. In diesem Video spricht sie über ihre erfolgreiche Zusammenarbeit mit BASF.


Weiterführende Informationen


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OKAfree – Customized shading through 3D-printed daylight design


New Digital Craft has developed 3D-printed inserts for insulating glass elements especially for the STEP2 unit. They are aligned with the natural course of the sun and can be seamlessly integrated into the building's glass façade. Through their sophisticated design, they direct as much natural daylight as possible into the building while shading specific interior areas – in this case a video wall in the meeting room. The system offers a highly customized solution, allowing the ideal use of screens, while guaranteeing a high level of daylight comfort, all protected in the dust-free environment of the insulating glass panes.


Further information
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OKAsolar – Optimized daylight system for the façade


The façade of the STEP2 unit features OKAsolar panels at various points in order to make optimal use of natural daylight for the interior despite shading. Fixed slats in the space between the panes direct daylight far into the interior of the building and at the same time protect against direct radiation and heat input. This can significantly reduce the costs of artificial lighting and cooling loads and optimize the energy balance of a building.


Further information
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Phase change materials as an additional thermal storage mass


In addition to the combined thermal storage mass of the ribbed filigree floor slab and the Cadenza staircase, ceiling panels with phase change materials are used on the upper floor. Phase-change materials (PCMs) are latent heat accumulators that can absorb large amounts of heat or cold energy and store it over a long period of time with minimal loss. Their technology is based on thermal changes in the aggregate state of high-quality kerosenes between solid and liquid.
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Photovoltaics on the façade


Photovoltaic modules on the outside of the façade generate energy, while different installation positions are being examined for their efficiency and cost-effectiveness. The Ertex panels, which are discreetly integrated into the outer shell, are mounted in three rows and can hardly be distinguished from other façade elements.
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Schwebende Ellipsoide


Die Wellness-Module in der Unit Solare Fitness & Wellness sind der Kugelform angenähert, da diese das günstigste Verhältnis zwischen Oberfläche und Volumen und damit die geringsten Wärmeverluste aufweist. Am Dach hängend schweben die Ellipsoide über dem Fitnessraum, bieten Intimität und zugleich erwünschte Durchblicke. Trotz enger Verhältnisse entsteht ein dreigeschossiger und von Tageslicht durchfluteter Raum, der auch für Betrachter von aussen die einzigartige Nutzung offenbart. Das architektonische Konzept stammt von der dransfeldarchitekten ag.
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Simulations on the digital twin


To develop STEP2's holistic energy concept, engineering firm WaltGalmarini AG took a close look at the location, its surroundings, the actual use case of the building, as well as the local climate. Particularly, the engineers paid attention to how the building is used and in what ways this affects its comfort. To account for the fluctuating outdoor climate, depending on the time of day and the season, they modeled various scenarios during STEP2's planning phase. All of which are aimed at ensuring that a few self-regulating elements of the building can react autonomously to these climatic changes.


To enable precise forecasts, WaltGalmarini carried out a sensitivity analysis using dynamic simulation tools on the building's digital twin. This method allows a detailed assessment of energy efficiency and comfort under different possible conditions.
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Simulations on the digital twin


To develop STEP2's holistic energy concept, engineering firm WaltGalmarini AG took a close look at the location, its surroundings, the actual use case of the building, as well as the local climate. Particularly, the engineers paid attention to how the building is used and in what ways this affects its comfort. To account for the fluctuating outdoor climate, depending on the time of day and the season, they modeled various scenarios during STEP2's planning phase. All of which are aimed at ensuring that a few self-regulating elements of the building can react autonomously to these climatic changes.


To enable precise forecasts, WaltGalmarini carried out a sensitivity analysis using dynamic simulation tools on the building's digital twin. This method allows a detailed assessment of energy efficiency and comfort under different possible conditions.
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Systemic energy and comfort concept


Engineering firm WaltGalmarini has developed a comprehensive energy and comfort concept for STEP2. Its façade is the core element when it comes to optimizing the indoor climate and simultaneously increasing the building's energy efficiency. The ceiling and staircase interact with the façade to act as a thermal storage mass and enable largely passive energy management. Integrated shading and controlled natural ventilation ensure a pleasant indoor climate - both part of the newly developed closed cavity façade from Aepli Metallbau.


Further Information
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Using the façade as a research & development platform


In line with the energy concept of the entire STEP2 unit, its façade primarily features passive systems. Unlike conventional closed-cavity façades, the newly developed closed double-skin façade from Aepli Metallbau does not require an external air supply, thus reducing the use of both material and technology, as well as eliminating the conventional need for operating energy. The frame consists of a timber-aluminum hybrid system, which is very weather-resistant on the outside while providing a natural comfort on the inside. The façade elements were almost completely prefabricated in the factory and could be assembled in just a few days, thanks to careful planning and modular construction.


Similar to the core concept of NEST, the façade itself is a test and development platform: individual modules can be replaced over the coming years with little effort, allowing the installation of new technologies. In its first phase, curtains are used as an integrated shading system, alongside automated ventilation flaps and various lighting control systems.


Lastly, the façade aims to have a positive effect on the building's energy balance. To this end, various technologies and installation positions for photovoltaics are combined and examined in terms of efficiency and cost-effectiveness during operation. The continuous use of the unit also allows monitoring of real user behavior and the collection of valuable data.
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Wall panels made from paper waste and coffee grounds


The walls of the STEP2 unit send out a clear signal: they have been lined with furniture panels made from used paper cups. This is a reminder that in Germany alone, 30 million plastic-coated to-go cups are disposed and mostly incinerated every year. For this application, BASF used their Acronal® binder technology. It allows the upcycling of residual materials, into innovative components for the construction and furniture industry. The wall panels consist of a composite material made from coffee grounds and paper waste with Acronal® as a binder. The application was developed in collaboration with BASF partners 21upcycling and Refalett.


Further information
### Tooltip Container_BE13E7D5_8841_752F_41D8_49EB05CAFA2E.toolTip = Developing market-ready solutions through co-creation Container_F3ED261B_EE0F_FDAB_41E5_C83830D6CBD5.toolTip = Durch «Co-Creation» zur marktreifen Lösung ## Tour ### Beschreibung tour.description = Virtueller Rundgang durch das Forschungs- und Innovationsgebäude NEST von Empa und Eawag ### Titel tour.name = Virtuelle NEST-Tour