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The History of Double Glazing

Double glazed windows have undergone significant transformations over the years, particularly in PVC window manufacturing. Originally designed to enhance insulation and reduce heat loss, double glazing has become a cornerstone in modern window technology.

 

The concept of double glazing emerged as a response to the inefficiency of single-pane windows in regulating temperature. The early versions consisted of two layers of glass separated by a small air gap, providing better insulation. However, it wasn't until the late 1900’s that sealed units, incorporating a dry air or inert gas between the panes, became popular. This innovation marked a substantial improvement in thermal performance and noise reduction.

 

During the late 20th century, PVC (polyvinyl chloride) began to dominate the double glazing industry. PVC, a versatile and durable material, revolutionized window manufacturing. In the past two decades, several noteworthy improvements have been made in PVC window production, contributing to enhanced energy efficiency and overall performance.

 

One of the key advancements is the development of multi-chambered profiles. Traditional PVC window frames were often criticized for their limited insulation capabilities. To address this, manufacturers introduced profiles with multiple chambers, creating compartments within the frame. These chambers trap air, acting as additional insulation barriers and significantly improving the windows' thermal efficiency.

 

Furthermore, the improvement in glass coatings has played a pivotal role in enhancing the energy performance of double-glazed windows. Low-emissivity (Low-E) coatings were introduced to minimize heat transfer through the glass, allowing homes to stay warmer in winter and cooler in summer. This not only increases comfort but also leads to energy savings by reducing the reliance on heating and cooling systems.

 

In terms of aesthetics, the advancements in PVC window manufacturing have allowed for more customizable and visually appealing designs. Homeowners can now choose from a wide range of colors, finishes, and styles, enabling them to complement the architectural aesthetics of their homes.

 

The environmental impact of PVC windows has also been a focal point of improvement. Manufacturers have increasingly adopted sustainable practices, ensuring that end-of-life windows can be recycled.

 

In conclusion, the history of double glazing is marked by a continual quest for improved energy efficiency, insulation, and aesthetics. The past two decades have seen remarkable strides in PVC window manufacturing, with innovations in frame design, glass coatings, and sustainability practices. These advancements not only contribute to more comfortable and energy-efficient homes but also align with the growing emphasis on eco-friendly construction practices.

 

Are your windows old and inefficient? Contact ZEN today to book a consultation and find out how much money you could save by replacing them with our modern, energy efficient windows.



A photo of Laurel and Hardy repairing a window

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