| Company name | Group | Parent | Subsidiary | Customer | Supplier | Alliance | Bank | Shareholder |
|---|---|---|---|---|---|---|---|---|
|
|
||||||||
|
|
||||||||
|
|
Japan Insulation Co., Ltd. has been in business since its founding in 1914,
Founded: April 8, 1914
April 8, 1914
Founded
Established: January 14, 1949
January 14, 1949
Established
Due to a major outage of Microsoft-related services, the email form for requesting materials and IR-related inquiries has been temporarily closed. For urgent inquiries, we are directing users to refer to the list of offices and contact each department by phone.
To address a PHP vulnerability, the company suspended access to its website from around 9:00 PM on October 21, 2026, until about 5:00 PM on October 22, 2026, and performed emergency maintenance. The update to a version that addresses the vulnerability has been completed, and the site is now available as usual. The company apologized to users who accessed the site during the maintenance period.
Dypalight, the company’s flagship ultra-lightweight insulation material, marks 50 years since its launch in August 1976. With heat resistance up to 1,000°C and excellent insulating performance, it is widely used for factory piping, drying furnaces, towers, vessels, tanks, and other applications. It received the Energy Conservation Excellent Product Award in 1979 and has contributed to energy savings and greater efficiency across industry.
Japan Insulation Co., Ltd. calculated the full life-cycle carbon footprint of its calcium silicate fireproof boards and insulation materials and published what it describes as the industry's first report. The initiative supports decarbonization and measurement of building CO₂ emissions. The report underwent a critical review and will contribute to future disclosure of environmental impact data.
On July 10, 2026, an email send/receive failure occurred due to server hardware failure. It has now been restored, but some emails during a certain period may not have been received correctly.
A news release published on July 15, 2026, reports on the recovery from email troubles and electronic catalog issues, resignation of officers, and certification as a health management excellent corporation.
Troubles with email sending and receiving occurred due to hardware failure from July 10, 2026, and the system was restored on July 15.
Due to a malfunction in an external service, some electronic catalogs could not be viewed, but the issue has now been resolved.
It was notified that former Chairman Kenichi Ohashi is scheduled to resign as of June 20, 2026.
Japan Insulation Co., Ltd. jointly with Takenaka Corporation and Senkshia has obtained the 3-hour fire resistance certification for the fireproof coating technology "KiPLUS TAIKA for BEAM" for steel beam with timber.