Smoke-proof performance certified by the Minister of Land, Infrastructure, Transport and Tourism! Wall storage type and wall-mounted type are available in the lineup.
A wooden fire door. Reliable performance and a wide lineup made possible because it's the first domestically produced model!
Conditions and time for oxygen deficiency in a soundproof room! Introducing countermeasures and more.
Ceiling inspection openings compatible with 60-minute semi-fireproof structures and reinforced ceilings that do not pose fire safety issues even when installed on fireproof covering lines [Special column now available].
It is a sliding door made with fabric. Custom sizes are available, and it can be replaced with existing shoji or fusuma.
Pursuing a smooth usability that supports a comfortable living rhythm! Nakao's "Moving Manufacturing" *The downloadable version is a digest edition.
[Presentation of Materials] Achieve significant cost reduction and a short construction period while making the most of the existing door!
The latest information on the roles and functions of building fixtures that change with the evolution of people's lives and the times! The feature includes an interview with Mr. Chiba, the representative of an architectural planning office who also teaches at the University of Tokyo.
It is a push-pull type door handle that is neither a doorknob nor a lever handle, with a unique design and functionality.































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