Komori
Kumagai Gumi (1861) · InitiativeAchievedLatest General Meetings of Shareholders (2026-05-27): "Cited as achieved"

Fire-resistant timber CLT floors using insulated fire-resistant λ-WOOD

First written in FY2020. 1 of 4 entries say "Advanced", first in FY2021. Latest entry: 2026-05-27.

4entries
7years
1from disclosures
Share on X
How it moved
ProgressHeldSoftenedWorseFirst statedFY2020AdvancedFY2021 – FY20222020: 120202021: 120212022: 120222023: 020232024: 020242025: 020252026: 12026
Same theme, other companies
Fire-Resistance Technology and Ministerial Certification for Timber Buildings Using λ-WOODA theme 2 companies write about · 0 as a headwind · 2 as a tailwind

0 other companies' latest entry also says "Cited as achieved".

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Full recordFilings, disclosures and news, newest first
  1. 2026-05-27Cited as achievedGeneral Meetings of Shareholders

    「By introducing the Company’s new technologies, including the “Environmentally Considerate λ-WOOD II 1.5-Hour Fire-Resistant Beam,” “Dress Wood,” and “CLT 1- and 2-Hour Fire-Resistant Floors,” the project will realize a timber-and-steel hybrid office building with high fire-resistance performance.」

    Cites the λ-WOOD II fire-resistance technology as having been introduced in an actual completed construction project.
  2. FY2022AchievedAnnual report

    「今回ですべての主要構造部の耐火認定を取得したことにより、15階以上の木造建築を純木造で建築できるようになった。」

    断熱耐火λ-WOODについて、柱・梁・床・壁の主要構造部で1~3時間の耐火認定を取得し、15階以上の高層建築物を純木造で建築できる状態に到達した。今後は事業化を含めた採用拡大を検討している。
  3. FY2021AdvancedAnnual report

    「今回大臣認定を取得した、1~3時間の集成材柱の特徴として、荷重支持部(柱)の周囲に設置する「燃え止まり層」に、普通硬質せっこうボードと断熱耐火パネルを積層することにより、その部分の厚さを薄くした。…今般実施工として、「断熱耐火λ-WOOD(柱)」を現在施工中の当社福井本店の建替工事に採用している。」

    λ-WOODについて、従来のCLT壁・床に加え、柱の1~3時間耐火構造の大臣認定を取得し、実工事にも採用した。
  4. FY2020First statedAnnual report

    「By obtaining Minister of Land, Infrastructure, Transport and Tourism certifications for 1-hour and 2-hour fire-resistant structures for CLT floors, CLT floors and walls can now be used from the top floor down to the fourth floor in 1-hour fire-resistant structures and from the top floor down to all floors in 2-hour fire-resistant structures.」

    The Company obtained Minister of Land, Infrastructure, Transport and Tourism certifications for 1-hour and 2-hour fire-resistant CLT floors and aims to obtain certification for columns and beams within 1 year.
Moved together

"Accelerated Bridge Deck Renewal Using the Kotter Deck Method" moved the same way as this thread, in the same document, in 2 of its 4 moves.

222222★123456
  1. ★This thread
  2. 1Accelerated Bridge Deck Renewal Using the Kotter Deck Method2×
  3. 2Strengthening oversight and auditing by outside directors and outside Audit & Supervisory Board members2×
  4. 3Strengthening the renewable energy business, including biomass power generation2×
  5. 4Strengthening overseas operations, centered on Taiwan2×
  6. 5Creating new revenue streams outside construction contracting and making equity investments2×
  7. 6Collaboration and creation of synergies through the capital and business alliance with Sumitomo Forestry Co.,Ltd.2×

★ is this thread; numbers match the list above. The number on a line is how many documents both moved the same way in; lines between the other threads count the documents they moved together in too. Threads that move together often sit closer.

When this could move next
No upcoming earnings preview for Kumagai Gumi yet. It last moved in the General Meetings of Shareholders of 2026-05-27: "Cited as achieved".
News
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