10 Year Guarantee
5 Star Customer Reviews
Secondary Glazing SpecialistsSash Windows and Secondary Glazing: Enhancing Heritage Homes
What Are Sash Windows?
Sash windows are a traditional window style characterised by one or more movable panels, known as “sashes,” that slide vertically or horizontally within a frame. Unlike casement windows, which open outward on hinges, sash windows operate by sliding within the frame, offering a sleek and elegant aesthetic. This design is prevalent in period properties and conservation areas, valued for its classic charm and practicality.
A Brief History of Sash Windows
Originating in the late 17th century, sash windows became a defining feature of Georgian, Victorian, and Edwardian architecture. Their symmetrical design, often adorned with glazing bars, contributed to the distinctive appearance of British homes during these periods. Crafted from high-quality timber and single-pane glass, these windows were celebrated for their elegance but lacked modern insulation properties.
Challenges of Sash Windows in Listed Buildings
While sash windows enhance a property’s historical appeal, they present several challenges, especially in listed buildings and conservation areas where modifications are strictly regulated. Common issues include:
• Poor Insulation: Traditional single-glazed sash windows often allow significant heat loss, leading to increased energy consumption.
• Noise Penetration: The thin glazing provides minimal barrier against external noise, affecting indoor comfort.
• Draughts and Condensation: Over time, gaps can develop, permitting cold air ingress and moisture accumulation.
• Security Concerns: Ageing timber frames and single glazing may be more susceptible to break-ins.
Replacing these windows with modern double glazing is frequently prohibited in heritage properties due to preservation guidelines.
The Ideal Solution: Secondary Glazing for Sash Windows
Secondary glazing offers a non-intrusive, cost-effective method to enhance the performance of sash windows without altering their original appearance. This involves installing an additional internal windowpane behind the existing sash, creating an insulating air gap that improves thermal efficiency and noise reduction.
Vertical Sliding Secondary Glazing: The Optimal Choice
For sash windows, vertical sliding aluminium secondary glazing is particularly suitable. This system mirrors the original window’s functionality, allowing the sashes to move seamlessly while providing the benefits of modern glazing solutions.
Benefits of Aluminium Secondary Glazing in Sash Windows
- Enhanced Energy Efficiency: Reduces heat loss, contributing to lower energy bills and a more comfortable living environment.
- Noise Reduction: Acts as a barrier to external noise, creating a quieter home atmosphere.
- Preservation of Heritage Aesthetics: Meets conservation requirements by maintaining the property’s original façade.
- Draught and Condensation Mitigation: Seals existing gaps, reducing cold draughts and preventing moisture buildup.
- Improved Security: Adds an extra layer of protection against potential intrusions without compromising the building’s character.
How Clearview Secondary Glazing Can Help
Clearview provides custom-designed vertical sliding aluminium secondary glazing solutions that are specifically tailored to fit existing sash windows. The installation process is carried out with precision, ensuring the original aesthetic of heritage properties is preserved while improving insulation, security, and comfort.
These secondary glazing systems are designed to allow the sashes to move seamlessly, mirroring the original functionality of traditional sash windows. By adding an extra layer of glazing, this solution enhances energy efficiency, reduces external noise, and helps prevent condensation, all without altering the historical appearance of the property.
Secondary Glazing For Sash Windows
Clearview Secondary Glazing
Clearview secondary glazing - the solution to significantly improved acoustic and heat insulation to your property, making your home or offices more comfortable, secure, greener and cost efficient to run. Achieved without the disruption of replacement windows, and without damaging the character of your building.
