dualseal began as a family business in 1995, strategically established in Huddersfield to supply the local market with insulating glass units (IGUs) - incorporating the then-innovative Low-E soft-coat technology. This early adoption of advanced materials positioned the company as a market leader in IGU manufacturing, built on an ethos of quality and service that continues to define us today.

Over the years, we have consistently invested in our production facilities, equipment, and people to ensure the highest standards of product and service. Jumbo glass-cutting equipment, two Bystronic Speed Sealing Robots, and three Heat Soak Testing ovens are just a few examples of the significant investments made to meet growing demand and deliver premium-quality glass without compromise.

In February 2022, dualseal glass was acquired by the Aequita Group - an independent and dynamic network of industrial manufacturers of high-quality, multifunctional insulating glass based across the Netherlands, Germany, Switzerland, Austria, and now the UK.

The current management team, led by Anthony Pollock and Ulrich Feindt, continues to drive the strategic development of the company, strengthening its position in the UK market. dualseal’s progress is built on a foundation of continuous investment in people, technology, and systems -  guided by our core principles of exceptional customer service and uncompromising quality.

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