Double-Glazed Windows And Bushfire Safety: Three Things Australian Homeowners Need To Know

In Australia, bushfire safety is a concern for many homeowners, particularly in high-risk areas. Double-glazed windows offer protection against the effects of these natural disasters. Here are three key aspects of double-glazed windows and their role in bushfire safety.

1. Heat Resistance Of Double Glazed Windows

One of the main benefits of double-glazed windows is their superior heat resistance compared to single-glazed windows. Double-glazed windows consist of two layers of glass separated by a gap filled with air or inert gas, providing an effective barrier against heat transfer. During a bushfire, double-glazed windows can help prevent radiant heat from entering your home, reducing the risk of ignition and the spread of fire. This added layer of protection is particularly critical in high-risk bushfire areas, where the intensity of heat can be overwhelming.

2. Impact Of Window Orientation And Design On Bushfire Protection

Window orientation and design significantly influence the effectiveness of double-glazed windows in bushfire protection. In high-risk areas, window placement and size should be considered in relation to potential hazards and heat exposure.

Windows facing dense vegetation or ember attack-prone areas might require additional protection, such as ember screens or bushfire shutters, to prevent embers from entering your home. Limiting window size on vulnerable sides minimizes heat exposure, as smaller windows have a lower surface area exposed to radiant heat and are less susceptible to breaking due to thermal stress. Alternatively, consider double-glazed windows with a higher Bushfire Attack Level (BAL) rating for enhanced protection.

3. Double Glazed Windows With Enhanced Bushfire-Resistant Features

Double-glazed windows with specific bushfire-resistant features can provide even greater protection for your home during a bushfire. These enhanced windows are designed to withstand extreme temperatures and conditions commonly experienced in bushfire-prone areas. Some key features to look for in bushfire-resistant double-glazed windows include:

  • High-performance glass: Some double-glazed windows use specially designed glass, such as tempered or laminated glass, which offers enhanced heat resistance and can better withstand the intense heat generated by bushfires. This type of glass is more resistant to breakage due to thermal stress, further reducing the risk of radiant heat entering your home.
  • Sealed units: Double-glazed windows with well-sealed units prevent smoke and ash from entering your home during a bushfire. This not only helps to maintain good indoor air quality but also reduces the risk of ignition from airborne embers and particles.

Contact a supplier to learn more about double-glazed windows