When it comes to choosing the right spacebar for your rooflights and  windows, it's important to consider the benefits and drawbacks of different materials. One popular option is the warm edge spacebar, which offers several advantages over traditional aluminium spacebars. In this article, we will explore the specifications of warm edge spacebars and why they are a superior choice.

What is a Warm Edge Spacebar?

A warm edge spacebar is a component used in double or triple glazing units to separate the panes of glass. Unlike aluminium spacebars, which are made of metal, warm edge spacebars are typically constructed from materials such as thermoplastic, foam, or composite materials. These materials have low thermal conductivity, which helps to reduce heat loss and improve energy efficiency.

Benefits of Warm Edge Spacebars

1. Improved Energy Efficiency: Warm edge spacebars provide better insulation compared to aluminium spacebars. Their low thermal conductivity helps to minimize heat transfer, reducing energy loss and improving the overall energy efficiency of your windows.

2. Reduced Condensation: The use of warm edge spacebars can help to reduce condensation on the inside of your windows. By maintaining a warmer temperature at the edge of the glass, warm edge spacebars help to prevent moisture buildup and the potential for mold growth.

3. Enhanced Comfort: With their superior insulation properties, warm edge spacebars help to create a more comfortable indoor environment. By reducing heat loss, they help to maintain a consistent temperature throughout your home, reducing cold spots and drafts near windows.

4. Increased Durability: Warm edge spacebars are designed to withstand the test of time. Their materials are resistant to corrosion and degradation, ensuring that your windows will continue to perform optimally for years to come.

5. Eco-Friendly: By improving energy efficiency, warm edge spacebars contribute to a greener and more sustainable living environment. They help to reduce carbon emissions and lower energy consumption, making them an eco-friendly choice for your windows.


When it comes to choosing the right spacebar for your rooflights and windows, warm edge spacebars offer numerous advantages over traditional aluminium spacebars. With their improved energy efficiency, reduced condensation, enhanced comfort, increased durability, and eco-friendly properties, warm edge spacebars are a superior choice for homeowners looking to enhance the performance and sustainability of their windows.