Founded in 1946.
Founded Paramount Trading Co., Ltd. (July 20). : Constructed a glassware factory in Takashi-cho, Koriyama City, Fukushima Prefecture.
Successfully industrialized glass wool (short glass fiber) in Japan for the first time, a research pursued for a long time. : Began production and sales at the Saino factory. In October of the same year, changed the company name to Paramount Glass Industry Co., Ltd.
To meet the growing demand for glass wool, relocated and consolidated the existing Takashi and Saino factories to Nagashima, Koriyama City, Fukushima Prefecture. : JIS standards for glass wool insulation were established.
Established the Suzuka plant in Suzuka City, Mie Prefecture, to meet demand for insulation material for electric refrigerators.
Pursued capital and technical cooperation with Nitto Spinning Co., Ltd.
Released the residential insulation material 'HouseRon'.
Signed a technology export agreement with Australian Gypsum Co., Australia.
Developed the proprietary energy-saving glass wool manufacturing method, the Rotary Method.
Signed a technology export agreement with Società Italiana Betro Co., Italy.
Signed a technology export agreement for a glass wool manufacturing plant with Shanghai Flat Glass Authority.
Released the high-performance insulation material 'Taiyo SUN'.
Signed a technology export agreement for a glass wool manufacturing plant with Beijing Glass Steel Products Authority.
Exported technology and plant to Hungary. Established the joint venture company, Charogdarian Glass Wool Co.
Signed a technology export agreement for a glass wool manufacturing plant with Korea's Bihyang Co., Ltd.
Signed a technology export agreement for plant expansion with Korea's Bihyang Co., Ltd.
Signed a technology export agreement for a residential insulation manufacturing plant with Schuler Co., USA.
Established the Nagashima plant in Nagashima Town, Iwase District, Fukushima Prefecture. : Responded to increased demand for high-insulation, high-sealing homes and began production of high-performance glass wool insulation for residential use.
Signed a technology export agreement for a glass wool manufacturing plant with Sagor Co., Switzerland.
The Nagashima plant obtained the ISO 14001 International Environmental Management System certification.
Closed the Koriyama plant and consolidated operations at the Nagano plant. Moved headquarters to Sugawara City, Fukushima Prefecture (within the Nagano plant).
Merged with Nittobo Higashi-Iwa Co., Ltd. Transitioned to a three-plant system: Ebetsu, Nagano, and Suzuka.
Added a new production line at the Nagano plant and began manufacturing and selling 'Paracover'.
Constructed the Paraman Hall on the headquarters' Nagano plant site, where visitors can experience a comfortable residential environment.
Celebrated its 80th anniversary in July 2026.
The specifications for the blow-in glass wool product "New Dumble" will be changed. The part number will change from BW15KG to BW15KGR, and the thermal conductivity will change from 0.052 W/(m·K) or less to 0.051 W/(m·K) or less. The change will take effect from November 2026, once the current product inventory is depleted.
Paramount Glass Industry Co., Ltd. has completed the system maintenance carried out to address PHP vulnerabilities, restoring all previously stopped services and pages. Service resumption began on Monday, November 2, 2026, and key pages such as inquiries, information requests, and sample requests have been restored.
Due to system maintenance, some functions of our official website are temporarily disabled. During maintenance, you cannot use content related to inquiries, catalog/material requests, sample requests, and email newsletter sign-ups or cancellations.
Paramount Glass Manufacturing Co., Ltd. will hold a seminar on the need for insulation grade 7. Parking at the venue is limited; if full, please use a nearby paid parking lot. Food, drink, and smoking are restricted inside the venue, and attendees are asked to cooperate with safety management.
At Paramount Glass Manufacturing’s “See and Learn Series in Fukushima” seminar, the need for Insulation Grade 7 will be explained thoroughly through classroom learning and hands-on installation. The event will be held over two days at Paraman-kan in Sukagawa City, Fukushima Prefecture: starting at 10:00 a.m. on Tuesday, August 25, and at 9:00 p.m. and 7:40 a.m. on Wednesday, August 26. Advance reservations are required. Attendance is free and limited to 20 people. Parking is limited, so carpooling is recommended.
A seminar on energy-efficient homes is scheduled to be held in Sendai on June 12, 2026. Further information about the program and registration will be announced later.
This is an announcement of a seminar focusing on airtight construction on roofs and beams and insulation design, where participants will learn the reasons why insulation rating 7 is necessary. It is held at Gran Messe Kumamoto for those considering specifications of insulation rating 6.5 or 7, or those concerned about insulation and airtight construction. The capacity is limited to the first 50 people, and applications are accepted via a dedicated form.
A free webinar was held on Zoom on June 8, 2026, examining the thermal environment of a Grade 7 insulated home during the shoulder season. The homeowner, an Achilles employee, shared their experience living in the house in an interview format. Data from temperature and humidity loggers and a thermal camera, as well as a comparative assessment against a Grade 4 home, were also scheduled to be presented. The session aimed to inform people considering such a home or concerned about thermal conditions during the shoulder seasons.
This seminar, the eighth in the “See and Learn” series, explains why Insulation Grade 7 is needed. There is only one venue and parking is limited, so public transportation or carpooling is recommended. Food and drink are restricted, and smoking is permitted only in designated areas.
A fire occurred on May 8, 2026. Details about the damage and cause have not been announced. The company said it would provide further updates on its response.