Maruni Wood Industry Hosts Osaka Exhibition for 'kupu sauna' Made of Domestic Cypress
Maruni Wood Industry will hold an exhibition for its new sauna product, 'kupu sauna,' utilizing domestic softwood, at 'maruni osaka' from May 27 to June 23, 2026. Developed in collaboration with designer Wataru Kumano and ONE SAUNA, the product features a half-dome shape made from Yoshino cypress. A talk event with the developers will be held on the first day.
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Maruni Wood Industry will host an exhibition for 'kupu sauna,' its new initiative announced last autumn utilizing domestic conifers, at maruni osaka in conjunction with Osaka Art & Design 2026.
'kupu sauna' is a new product developed by Maruni Wood Industry, leveraging nearly 100 years of expertise and aesthetics in wooden furniture making, in collaboration with product designer Wataru Kumano and ONE SAUNA, a pioneer in domestic saunas.
'kupu' means 'dome' or 'covering' in Finnish. As the name suggests, it features a half-dome shape that gently wraps around the user. It uses domestic Yoshino cypress, known for its excellent scent and texture. Reinterpreting traditional barrel saunas for the modern era, it pursues comfortable circulation of heat and steam, a presence that harmonizes with spaces, and a level of comfort designed with the care for detail typical of fine furniture.
Following its debut in Tokyo, this exhibition provides an opportunity to see 'kupu sauna' in Osaka. Through the scent and texture of the wood, the beauty of the structure, and its presence in the room, visitors can experience a new way of approaching saunas from the unique perspective of a furniture manufacturer.
Kupu sauna Osaka Exhibition
Dates: May 27 (Wed) - June 23 (Tue), 2026, 10:00 - 18:00
Venue: maruni osaka (1F Urban Net Midosuji Bldg., 4-2-13 Awaji-machi, Chuo-ku, Osaka)
Note: Participating event of 'Osaka Art & Design 2026.'
TALK EVENT OUTLINE
Date: May 27 (Wed), 2026, 19:00 - 20:00
Venue: Urban Net Midosuji Hall 3F
Capacity: 100 people
Speakers: Wataru Kumano (Product Designer), Seiya Agematsu (CEO, Libertyship), Hiroshi Yamanaka (President, Maruni Wood Industry)
Application: Via dedicated form by May 25 (Mon).
'kupu sauna' is a new product developed by Maruni Wood Industry, leveraging nearly 100 years of expertise and aesthetics in wooden furniture making, in collaboration with product designer Wataru Kumano and ONE SAUNA, a pioneer in domestic saunas.
'kupu' means 'dome' or 'covering' in Finnish. As the name suggests, it features a half-dome shape that gently wraps around the user. It uses domestic Yoshino cypress, known for its excellent scent and texture. Reinterpreting traditional barrel saunas for the modern era, it pursues comfortable circulation of heat and steam, a presence that harmonizes with spaces, and a level of comfort designed with the care for detail typical of fine furniture.
Following its debut in Tokyo, this exhibition provides an opportunity to see 'kupu sauna' in Osaka. Through the scent and texture of the wood, the beauty of the structure, and its presence in the room, visitors can experience a new way of approaching saunas from the unique perspective of a furniture manufacturer.
Kupu sauna Osaka Exhibition
Dates: May 27 (Wed) - June 23 (Tue), 2026, 10:00 - 18:00
Venue: maruni osaka (1F Urban Net Midosuji Bldg., 4-2-13 Awaji-machi, Chuo-ku, Osaka)
Note: Participating event of 'Osaka Art & Design 2026.'
TALK EVENT OUTLINE
Date: May 27 (Wed), 2026, 19:00 - 20:00
Venue: Urban Net Midosuji Hall 3F
Capacity: 100 people
Speakers: Wataru Kumano (Product Designer), Seiya Agematsu (CEO, Libertyship), Hiroshi Yamanaka (President, Maruni Wood Industry)
Application: Via dedicated form by May 25 (Mon).
FAQ
Where can I see the 'kupu sauna'?
It will be on display at 'maruni osaka' from May 27th to June 23rd, 2026.
Is the talk event open to everyone?
It requires advance registration (capacity 100 people) via the provided form by May 25th.
Why does a furniture maker produce saunas?
To leverage a century of expertise and aesthetics, aiming for a new sauna experience that harmonizes with spaces and offers furniture-like comfort.