A-Ring by Atelier TEKUTO


A-ring is the third edition in the Aluminum House Project series and represents the culmination of the previous two. The main structure is composed of an aluminum ring and a frame of an aluminum column and beam. The ring is made from four aluminum molds interlocked into a ring shape. The dies (molds) from which the aluminum ring were created, were developed by Atelier Tekuto, Jun Sato structure design office, Shin Nikkei Co. Ltd. and Miyashita Lab. of Kanazawa Institute of Technology. The aluminum ring fully integrated the radiant cooling/heating and lighting systems by imbedding them within its structure.

This cooling system was developed by Atelier Tekuto, PS Company Co. Ltd., EOS plus and Miyashita Lab and Nagano Lab of Kanazawa Institute of Technology. The lighting which uses LEDs was developed by Visual Technology Laboratory and Koizumi Lighting Technology Corporation. In addition to these, Atelier Tekuto developed two more aluminum rings to accommodate the hydraulic functions of the house. They are a bath unit and a kitchen unit developed by Atelier Tekuto, Shin Nikkei Co. Ltd. and INAX.

The challenge of the project was to minimize it’s running costs and environmental footprint by relying on natural energy systems such as geothermal heating/cooling and natural light and ventilation. The geothermal heating/cooling system was imbedded into the aluminum ring. The system to capture ground energy was developed and realized by Atelier Tekuto, Kanaiwa Co. Ltd., and Miyashita Lab and Nagano Lab of Kanazawa Institute of Technology. Atelier Tekuto and Greens Co. Ltd. developed a green garden fence called “Green Curtain”, which re-uses captured rain water. Furthermore, Atelier Tekuto, Masaki Envec Co. Ltd. and Greens Co. Ltd. developed the second floor roof garden. A-Ring was selected as “Model House & Architecture Project of Standardized Structured Conservation of 2008” by Ministry of Land, Infrastructure, Transport and Tourism. Collection of environmental data on CO2 emission and power consumption from this house is ongoing.

Aluminum is still regarded as special material in the building industry. The technical data gathered from this project aims to help aluminum take its place among concrete, steel and wood as an essential building material.

Architects: Atelier TEKUTO
Location: Ishikawa, Japan
Architecture Design: Yasuhiro Yamashita, Toshinao Iki
Structural Design: Jun Sato+Masayuki Takada/Jun Sato Structural Engineers
Mechanical Engineer: Kazuhiro Endo/EOS plus
Lighting Design: Sueko Kanaya/Visual Technology
Construction: Satoshi Isomi+Daisuke Yamamori/Mizuho Kogyou
Area: 136.62 sqm
Year: 2009
Photographs: Toshihiro Sobajima



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