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A Glass Act: The Brief History of Double Glazing



In today's world, double glazing has become a common feature in many homes and buildings, providing numerous benefits such as improved insulation and energy efficiency. But have you ever wondered about the origins of double glazing and how it has evolved over the years? Travel through the looking glass and take a closer look at the fascinating history of double glazed doors and double glazed windows, from their early beginnings to current prominence in the construction industry.


The Origins of Double Glazing


Double glazing, also known as insulated glazing, involves the use of two glass panes separated by a space that is typically filled with air or gas. The concept of using multiple glass layers for insulation can be traced back to the Victorian era. In the 1860s, a Scottish scientist named Thomas Young developed the idea of trapping air between two panes of glass to enhance thermal insulation.


The 1930s

It wasn't until the 1930s that double glazing started gaining popularity. During this time, double glazed doors and double glazed windows began to be used in commercial buildings and high-end homes. The primary purpose was to reduce heat loss and improve sound insulation. These early versions of double glazing were relatively simple, consisting of two glass panes held together by a metal frame.


The 1950s


As the years passed, advancements in technology allowed for the development of more sophisticated double glazing systems. In the 1950s, a breakthrough came with the introduction of sealed double glazing units. This new design prevented moisture from entering the space between the glass panes, ensuring better insulation properties. With the advent of sealed double glazing, its application expanded beyond commercial buildings and into residential properties that began to benefit from double glazed doors and double glazed windows.


The 1970s


The energy crisis of the 1970s played a significant role in the widespread adoption of double glazing. As energy costs soared, homeowners and businesses sought ways to reduce their heating and cooling expenses. Double glazed windows and doors proved to be an effective solution, as they significantly reduced heat transfer through windows, minimising the need for excessive heating or air conditioning.


The Rise in Popularity of Double Glazing


In recent years, the focus on sustainability and energy efficiency has further propelled the popularity of double glazing. Modern double glazed windows and double glazed doors are designed to meet strict energy performance standards, with low-emissivity (low-E) coatings and improved insulating materials. These advancements help to minimise heat loss during the winter and keep homes cooler in the summer, ultimately reducing energy consumption and carbon emissions.


Moreover, the benefits of double glazing extend beyond energy efficiency. The additional layer of glass enhances sound insulation, making it an ideal choice for homes located near busy roads or noisy environments. It also provides an extra level of security, as the multiple layers of glass make it more difficult for potential intruders to break through.


Double Glazing Today


Today, energy efficient double glazing has become a standard feature in new constructions and a popular choice for homeowners looking to upgrade their windows and doors. With ongoing research and technological advancements, the future of energy efficient double glazing looks promising. Innovations such as smart glass, which can adjust its transparency based on external conditions, further expand the potential applications of double glazing in the years to come.


The history of double glazing showcases its evolution from a simple concept in the Victorian era to a vital component of energy-efficient and comfortable buildings. From the early days of trapping air between two glass panes to the modern developments in materials and coatings, double glazing has come a long way. As we continue to prioritise sustainability and improved living environments, energy efficient double glazing will undoubtedly remain a glass act in the construction industry.


Need energy efficient double glazing for your home or business? Contact True Window & Glass Centre today for a quote!

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