In an era where energy costs continue to soar and environmental consciousness is at an all-time high, UK homeowners are increasingly seeking ways to make their properties more energy-efficient. Double glazing units have emerged as a cornerstone solution, offering superior insulation while enhancing property values and aesthetic appeal. The following comprehensive overview demonstrates why double glazing units, particularly those incorporating advanced technologies like Edgetech’s Super Spacer® system, represent the future of energy-efficient building solutions.

Understanding double glazing units: The basics

Close-Up View of Double Curve Convex Glass Windows. Reflected Clear Glazing Facade System. The bubbles of Glass Panels.

At their core, double glazing units consist of two panes of glass separated by a specifically designed spacer system. This configuration creates an insulating barrier that significantly reduces heat loss and enhances energy efficiency. But not all double-glazing units are created equal – the quality of components and manufacturing processes can make a substantial difference in performance.

Why are double glazing units essential for modern homes?

Today’s homeowners are increasingly recognising that quality double glazing units offer benefits that extend far beyond basic window functionality. These sophisticated systems deliver enhanced thermal insulation, significantly reducing energy bills while creating a more comfortable living environment.

Beyond energy efficiency, double glazing units provide improved sound insulation, protecting homes from external noise pollution. They also add considerable value to properties while offering enhanced security features. Additionally, these units effectively combat condensation issues, preventing moisture-related problems that can affect both comfort and property maintenance. This combination of benefits makes double glazing units an essential feature of any modern home.

The science behind double glazing performance

How Thickness Matters

The thickness of glass and the gap between panes plays a crucial role in performance. Typically, double glazing units feature glass thickness ranging from 4mm to 6mm, with an optimal gap of 12-16mm between panes. This careful engineering ensures maximum thermal efficiency while maintaining structural integrity.

The critical role of spacer technology

The type of spacer used in double glazing units significantly impacts their overall performance. Spacer bars are small, thin rectangular strips designed to keep apart the two panes of glass in an insulated glass unit (IGU). Spacers serve a structural purpose – they keep the two panes apart. But they also contribute to the performance of the finished window. Traditional aluminium spacers, while cost-effective, can create thermal bridges that compromise efficiency. Modern solutions, like Edgetech’s Super Spacer®, utilise advanced materials that dramatically reduce heat loss.

Comparing different glass types

Modern double glazing units can incorporate various glass types, each offering unique benefits depending on specific requirements:

Low-E glass

Toughened safety glass

Acoustic glass

Solar control glass

The evolution of spacer technology

Traditional vs Modern Spacers

Originally, spacers were made of metal. Metal conducts heat. That meant the resulting windows offered terrible energy efficiency. The industry has witnessed a dramatic shift from traditional spacers to advanced warm-edge technology. This evolution has revolutionised the performance capabilities of double glazing units.

The Edgetech Innovation: Super Spacer®

In 1989, Edgetech launched its ‘warm-edge spacer’ Super Spacer®, the world’s first spacer bar to be made of flexible foam and which represented a quantum leap in spacer technology, allowing it to offer thermal conductivity – and therefore heat loss – that was 950 times lower than the traditional metal spacers used at the time and setting new standards for energy efficiency in the industry. Over the last 35 years, it has helped hundreds of thousands of homeowners and businesses reduce their carbon emission, with approximately over 30% of British windows incorporating Edgetech products.

The Super Spacer® TriSeal™ & T-Spacer™

TriSeal is a special version of Super Spacer designed for commercial buildings which has a ‘triple-seal’ design and has been used on ambitious projects all around the world. This includes an inner acrylic adhesive seal which means you can move and ‘handle’ the unit immediately; a polyisobutylene primary seal for enhanced gas retention; and an outer silicone seal for structural strength and superior durability. T-Spacer is a version of TriSeal suited for automated spacer application.

Choosing the right double glazing units for a home

Selecting the perfect double glazing units for a home requires careful consideration of multiple factors to ensure optimal performance and long-term satisfaction. Local climate conditions and property orientation play crucial roles, as these factors influence the type of glass and spacer technology needed for maximum efficiency.

While budget constraints naturally factor into decision-making, it’s essential to view double glazing as a long-term investment that will deliver ongoing energy savings. Today’s market offers an impressive range of options, from different frame materials like Upvc, aluminium, and timber, to various glass specifications and advanced spacer systems like Edgetech’s Super Spacer®.

Each choice impacts both performance and aesthetics, allowing homeowners to balance efficiency with visual appeal. Professional installation is absolutely crucial – even the highest quality units will underperform if not fitted correctly. While modern units require minimal maintenance, regular checks and cleaning help maintain their elegance and efficiency.

Looking ahead, the industry continues to evolve with innovations like smart glass technology and enhanced thermal properties, while adhering to strict UK building regulations regarding thermal performance and safety standards.

By choosing high-quality units with advanced spacer technology, homeowners can future-proof their investment while ensuring compliance with current and anticipated energy efficiency standards. The key is to work with reputable manufacturers and installers who can guide you through these considerations, ensuring your choice meets both current needs and future requirements.

The Edgetech advantage

managing members

Leading Innovation

With over three decades of experience, Edgetech continues to lead the industry in spacer technology innovation. Their Super Spacer® system represents the pinnacle of modern warm-edge technology.

Quality Assurance

Backed by Quanex, a $1.2 billion NYSE-listed company, Edgetech’s products undergo rigorous testing and quality control processes.

Environmental Impact

Modern double glazing units, particularly those utilising Edgetech’s Super Spacer® technology, contribute significantly to reducing carbon emissions and energy consumption.

Economic Benefits of High-Performance Units

While quality double glazing units represent a significant initial investment, the long-term energy savings and property value enhancement make them a wise financial decision. Quality double glazing units offer reduced energy costs, lower maintenance expenses, increased property value and enhanced comfort levels providing an excellent return on investment

Making an informed decision

Working with Professionals

Choosing the right double glazing units for homeowners requires expert guidance. Working with qualified professionals ensures they select the most appropriate solution for your specific needs.

Understanding energy ratings and testing standards

An understanding of industry certifications will help ensure homeowners are getting genuine, high-quality products that meet all relevant standards.

Double glazing units are rated according to specific performance metrics, including:

U-values (measuring heat loss)

Solar gain coefficients

Air leakage rates

Energy ratings (A++ to E)

These measurements help homeowners make informed decisions about their investments.

A crucial investment in home energy efficiency

Double glazing units represent a crucial investment in home energy efficiency. With advanced technologies like Edgetech’s Super Spacer® system, homeowners can achieve superior insulation while enjoying reduced energy costs and enhanced comfort. As the industry continues to evolve, choosing products from established leaders ensures long-term satisfaction and performance.

For IGU manufacturers and installers, partnering with industry leaders like Edgetech provides access to cutting-edge technology and superior support, enabling the delivery of exceptional products to end users. The future of energy-efficient homes increasingly depends on these innovative solutions, making quality double glazing units an essential component of modern construction and renovation projects.

Edgetech Team at Coventry HQ

Contact Edgetech now

With companies like Edgetech leading the way in innovation and quality, the future of double glazing technology is bright. Contact our friendly and knowledgeable team for more information today.