| 1956November | Asahi Glass and U.S. firm Owens Corning Corporation (current name) strike a deal, and Asahi Fiber Glass is established on November 1 after both companies application for the establishment of a co-financed company is approved. |
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| 1957November | The Shonan Plant is constructed in Samukawa-machi, Kouza-gun, Kanagawa Prefecture and commences the manufacture and sale of long glass fiber products. |
| 1959November | Manufacture of glass wool products commences at the Shonan Plant. |
| 1960January | With the release of glass wool product, Asahi Fiber Glass becomes a comprehensive manufacturer of glass fiber engaged in the manufacture and sale of long glass fiber and short glass fiber (glass wool) products. |
| 1993September | Kyushu Plant becomes a Japan Industrial Standard-compliant plant (Authorization No. 893021) form man made mineral wool thermal insulation materials for dwellings (JIS A 9521). |
| 1994October | Head office is relocated to its current location (Kanda, Chiyoda-ku, Tokyo). |
| 1996January | Owens Corning Corporation (current name) transfers all shares to Asahi Glass. |
| 1999October | Designated by the Minister of Health and Welfare as a designated wide-area recycling industrial waste processor for the recycling of glass wool product waste materials (cullet and waste ceramics) (Designation No. 31). |
| 2000February | A wooden house thermal insulation method receives a rating commonly known as the Next-Generation Energy Saving Standard for Housing from the Institute for Housing and Construction Energy Conservation (Rating No. 406). |
| May | Our glass wool product is the first glass wool insulation material to receive eco-mark certification from the Japan Environment Association. |
| 2002January | The Glass Wool business obtains ISO14001 certification. |
| April | Sales of fiber glass single roof materials commence. |
| 2004January | Fiber Reinforced Thermoplastics acquire ISO9001 certification. |
| 2005February | Glass wool products acquire ISO9001 certification. |
| 2006May | Long fiber business is transferred to U.S. firm Owens Corning Corporation (current name). |
| November | Mold products (vehicle insulators) acquire ISO9001 certification. MF acquires ISO9001 certification. |
| 2007April | Sales commence for a formaldehyde-free thermal insulation. |
| November | Asahi Fiber Glass separates from the Asahi Glass Group. Global Insulation Co., Ltd., a joint venture between the Development Bank of Japan and WISE PARTNERS, Inc., becomes shareholder. |
| 2008February | Sales commence for Vacuum Insulation Panel a vacuum thermal insulation material. |
| 2009August | Vacuum Insulation Panel obtains ISO9001 certification. |
| 2011April | Asahi Fiber Glass Insulation (Shanghai) Co., Ltd. is established in Shanghai, China. |
| 2013March | AFG Holdings Co., Ltd., a holding company by ORIX Corporation, becomes the major shareholder. |
| July | Asahi Fiber Glass Co., Ltd. merges with AFG Holdings Co., Ltd. |
| 2015June | Yoshino Gypsum Co., Ltd. becomes a shareholder. |