Skip to content

Valmiera Fibreglass

Valmiera Fibreglass is a Latvian glass-fibre manufacturer serving technical, industrial, construction, insulation and aerospace-related applications.

Last updated August 25, 2026

AI crawler reads

No AI crawler has read this profile since Oct 28, 2026.

Overview

Valmiera Fibreglass is the commonly used English name for AS Valmieras Stikla Šķiedra, a Latvian joint-stock company headquartered in Valmiera. The company is a glass-fibre producer whose activities cover a broad portion of the value chain, including glass-fibre research, product development, primary production, further processing and trade. Its manufacturing output is used both as an intermediate material and in finished products for industrial and technical applications. The company traces its foundation to 1963, when the factory released its first glass-fibre products. It subsequently developed into the holding company of Valmiera Glass Group, which also includes Valmiera Glass UK Ltd. The British subsidiary is based in Sherborne, Dorset, and has a much older industrial history, with written evidence dating to before 1740. Whereas the Latvian operation specializes in producing glass fibre and glass-fibre products, the United Kingdom operation focuses particularly on weaving, coating and laminating fiberglass materials. Valmiera Fibreglass works with several glass types. Its E-glass products are described as having temperature resistance above 600°C, HR-glass products above 800°C and SiO2-glass products above 1000°C. These materials support applications requiring electrical, thermal or acoustic insulation, as well as uses in mechanical engineering, construction and other technical fields. The UK subsidiary's products are associated especially with aviation, thermal insulation and architecture. The group sells internationally in more than 50 countries. Approximately 96% of its sales were exports according to the referenced company description, with the European Union, North America and the Commonwealth of Independent States identified as key market regions. The group has been described as employing approximately 1,270 people, although the reference does not specify the exact reporting date for that figure. Quality, energy, environmental and occupational-safety management are important parts of the group's operating framework. The Latvian and UK companies operate under ISO 9001:2015 quality-management certification. The Latvian company is also described as operating under ISO 50001:2018 for energy management, ISO 14001:2015 for environmental management and ISO 45001:2018 for occupational health and safety. As of November 2021, Luxembourg-based alternative investment company Duke I S.à r.l. was the dominant shareholder, with a 98.05% stake. The available reference material does not identify a current chief executive, a public website or a current ownership structure beyond that dated shareholder information.

History

AS Valmieras Stikla Šķiedra is a Latvian glass-fibre manufacturer based in Valmiera. The company's origin is conventionally dated to 1963, when the factory produced its first glass-fibre products. From that starting point, the Latvian operation developed capabilities spanning research, product development, glass-fibre manufacturing, processing and commercial distribution. The company operates together with Valmiera Glass UK Ltd. as Valmiera Glass Group. The British subsidiary has a separate and substantially older industrial history, with written evidence dating to before 1740. In the modern group structure, the Latvian company serves as the holding and principal glass-fibre manufacturing business, while the UK company adds downstream capabilities including fiberglass weaving, fabric coating and laminating. The two operations therefore cover both primary fibre production and the conversion of fiberglass into specialized technical materials. The group's manufacturing portfolio includes products made from E-glass, HR-glass and SiO2-glass. These grades are associated with progressively higher temperature-resistance requirements and are used in technical insulation, electrical applications, thermal and acoustic systems, mechanical engineering, construction and related industrial fields. Products made by the British subsidiary are particularly associated with aviation, thermal insulation and architecture. International trade is central to the group's business model. The companies are described as selling in more than 50 countries, with export sales representing approximately 96% of total sales in the referenced material. The principal regions named are the European Union, North America, the Commonwealth of Independent States and other countries. The group has also been described as employing approximately 1,270 people, though the source does not provide a precise date for that employment figure. The group's operating systems include quality, energy, environmental and occupational-health standards. ISO 9001:2015 applies to both the Latvian and UK companies. The Latvian company is additionally described as operating under ISO 50001:2018, ISO 14001:2015 and ISO 45001:2018. These certifications correspond respectively to energy management, environmental management and occupational health and safety. Ownership changed or was concentrated under financial-investor control by November 2021. At that date, Duke I S.à r.l., a Luxembourg alternative investment company, held 98.05% of AS Valmieras Stikla Šķiedra. P-D Management Industries-Technologies GmbH held 0.52%, while other shareholders collectively held 1.43%. The available source material does not provide a sufficiently current ownership update, executive roster, revenue history or detailed account of later corporate events. Accordingly, the company's documented profile is strongest in relation to its production capabilities, group structure, international markets and industrial applications.

  • 2021

    Shareholding reported for November 2021

    [1]

    In November 2021, Duke I S.à r.l. was reported to hold 98.05% of AS Valmieras Stikla Šķiedra, with P-D Management Industries-Technologies GmbH holding 0.52% and other shareholders holding 1.43%.

  • 1963

    First glass-fibre products released

    [1]

    The foundation of AS Valmieras Stikla Šķiedra is conventionally associated with the year in which the Valmiera factory released its first glass-fibre products.

  • 1740

    Earliest written evidence associated with the British subsidiary's industrial history

    [1]

    Valmiera Glass UK Ltd. is described as having an industrial history with written evidence dating to before 1740. This date refers to the subsidiary's historical predecessor or site history, not to the foundation of the Latvian company.

Products and positioning

An export-oriented European industrial materials manufacturer focused on glass fibre, high-temperature fibre products and processed fiberglass materials for insulation, engineering, construction, architecture and aviation-related applications.

  • Glass fibre

    E-glass fibre

    E-glass is one of the principal glass types used by Valmiera Fibreglass. The company describes this material as having temperature resistance above 600°C. It is used in glass-fibre products and in downstream technical applications including electrical, thermal and acoustic insulation, construction and engineering.

  • High-temperature glass fibre

    HR-glass fibre

    HR-glass is a higher-temperature glass-fibre material manufactured by the Latvian operation. Its stated temperature resistance exceeds 800°C, making it suitable for demanding technical applications where standard glass fibre may not provide sufficient thermal performance. The reference does not identify individual product names or launch dates.

  • Ultra-high-temperature glass fibre

    SiO2-glass fibre

    SiO2-glass fibre is the highest-temperature glass type identified in the reference material, with resistance above 1000°C. It is part of the company's technical fibre portfolio and is intended for specialized applications with severe thermal requirements. Specific grades, customers and product launch dates are not provided.

  • Processed fiberglass materials

    Woven, coated and laminated fiberglass products

    Valmiera Glass UK Ltd. extends the group's portfolio through fiberglass weaving, fabric coating and laminating. These processed materials are most commonly associated in the source with aviation, thermal insulation and architecture. The offering represents downstream conversion of fiberglass into application-specific fabrics and technical products.

Sources1 sources

Cite this profile: Cite the canonical profile. /brand-wiki/valmiera-fibreglass · Editorial policy · How profiles are compiled