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Koga Lab
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A lab that studies the durability and living comfort of buildings through architectural finishing materials.

AboutAbout the lab
Building a sustainable society through building materials
The Koga Lab studies the performance of various building materials and of building elements such as walls and floors, with a focus on architectural finishing materials.
In particular, it focuses on the effects that finishes have on buildings.
Its subjects cover a wide range of issues related to the durability of exteriors and to the habitability and safety of architectural spaces.
The lab was established at Institute of Science Tokyo in April 2026.
Key terms
- Architectural finishing
- The visible parts of a building, such as the materials and coatings applied to the surfaces of walls, floors, and exterior walls
- Building elements
- The individual parts that make up a building, such as walls, floors, roofs, and ceilings
- Habitability
- How comfortable a place is for the people spending time there, involving sound, vibration, temperature, and tactile feel
NewsLab news
Koga Lab established at Institute of Science Tokyo
A student receives the Excellent Presentation Award for Young Researchers from the Materials and Construction Division of the Architectural Institute of Japan
ResearchResearch themes
The lab investigates the performance of various building materials, centered on architectural finishing materials, and of building elements such as walls and floors. Securing and improving the performance and quality of walls, roofs, and floors supports the functions of buildings and contributes to sustaining social infrastructure.
*Illustrative imageWear-resistant concrete floors
Floors where casters of carts and similar equipment travel back and forth gradually wear down. To make floors that last long, the lab investigates how well concrete floors treated with surface hardeners resist wear.
*Illustrative imageRenovation and demolition of asbestos-containing coatings
The exterior walls of old buildings sometimes have finishing coatings that contain asbestos. Based on exterior wall demolition experiments and other work, the lab develops safe procedures so that asbestos does not scatter during renovation or demolition.
MembersFaculty
- ProfessorJunko KogaPublications ↗
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Detail of green tiling on building, Óscar Monteiro Torres Avenue, Lisbon, Portugal julesvernex2” Jules Verne Times Two / CC BY-SA 4.0 (cropped)
- Wear-resistant concrete floors: “20150916-OSEC-LSC- )” U.S. Department of Agriculture Lance Cheung / Public domain (cropped)
- Renovation and demolition of asbestos-containing coatings: “Asbestos Abatement ( )” NAVFAC / CC BY 2.0 (cropped)
- Related lab (中野研究室): “2015.04 - Amsterdam, photo of a building site - An excavation at the Sarphatistraat for a new hotel; a geotagged free urban picture, in public domain Commons CCO; city photography by Fons Heijnsbroek, The Netherlands ( )” Fons Heijnsbroek from Amsterdam, Netherlands / CC0 (cropped)
- Related lab (五十嵐研究室): “Steel frame building under construction in Taiwan” SSJF01 / CC0 (cropped)
- Related lab (斎尾研究室): “Oshu City Maesawa Elementary School Building 202508b” とらもん192 / CC BY 4.0 (cropped)
- Related lab (山崎義弘研究室): “Byggnadsstomme2” Entheta / CC BY-SA 3.0 (cropped)
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