SOSEI Construction Method: Responsible Construction, Quality Control and Co-Creation
First written in FY2025. 2 of 3 entries say "Restated". Latest entry: 2026-08-19.
2 other companies' latest entry also says "Restated".
- 2026-08-19RestatedOther Disclosures
「The SOSEI method reinforces roofs with a special three-layer resin, protecting vehicles and workers inside vehicle maintenance facilities from natural disasters such as major typhoons, sudden violent winds and major earthquakes.」
At a media tour of East Japan Railway Company’s Akita General Rolling Stock Center, the company introduced the SOSEI method’s durability and safety, its construction characteristics allowing renovations without halting operations, and its ability to reduce construction time and costs. As the disclosure does not state that an order was received, construction completed or an installation track record achieved, this is recorded as a reconfirmation of the existing themes of responsible construction, quality control and collaboration relating to the SOSEI method. - FY2026RestatedAnnual report
「The SOSEI business will continue to focus on construction using the SOSEI method for aging slate roofs at factories and warehouses, which has been our core business. Using our proprietary roof-renovation technology based on a coating that combines resin and paint, we will improve quality control for the SOSEI method and provide value to customers together with our sales and construction partners through co-creation, one of our management principles.」
The company continues its responsible in-house construction of SOSEI projects, quality control, safety measures and co-creation with sales and construction partners. - FY2025First statedAnnual report
「The SOSEI business will continue to focus on construction using the SOSEI method for aging slate roofs at factories and warehouses, which has been our core business. Using our proprietary roof-renovation technology based on a coating that combines resin and paint, we will improve quality control for the SOSEI method and provide value to customers together with our sales and construction partners through co-creation, one of our management principles.」
The company explains that it emphasizes responsible construction, limited to work performed by the company itself with construction managers stationed on site, as well as safety measures.