March 31, 2025

Everything You Need to Know About Solar Control Glass

Written by Rebecca Clayton

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Solar control glass is a transformative solution for modern architectural projects, combining advanced technology with aesthetic flexibility. Designed to regulate heat and light, this innovative glazing option is widely used to enhance comfort, improve energy efficiency, and create visually stunning designs. Whether it’s a commercial building, residential property, or cultural landmark, solar control helps architects achieve their vision without compromising sustainability or functionality. 


What is Solar Control Glass? 

Solar control glass is a type of high-performance glazing that reduces the amount of solar heat entering a building. Filtering infrared radiation and reflecting excessive heat ensures comfortable indoor temperatures while maintaining optimal light transmission. The glass features advanced coatings, often metallic oxides, applied to its surface. These coatings act as a selective barrier, blocking heat while allowing natural daylight to brighten the space. 

It works by reducing the solar factor or G-value of the glazing. This is the percentage of solar energy that penetrates through the glass into the interior space. By lowering the G-value, the glass prevents overheating during sunny periods while maintaining visibility and minimising glare. 

Advanced solar control options, such as IQ’s range of neutral and tinted finishes, ensure that architects can tailor the solution to specific project requirements. Neutral finishes provide an appearance close to clear, uncoated glass, while tinted options introduce bold aesthetic statements without compromising functionality. 

Neutral Finishes

The neutral finish offers high light transmittance while reducing solar heat gain, providing a sleek and understated option for contemporary designs. These finishes are particularly effective in balancing aesthetics and performance. Below are some popular neutral coatings and their key performance characteristics: 

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These coatings deliver exceptional thermal performance while offering a variety of light transmission levels to suit diverse architectural needs.

Tinted Solar Control Glass 

Light is beautiful, but excessive heat is not. IQ’s tinted glass enables architects to combine bold aesthetics with superior performance. The tinted options create striking visual effects while maintaining the functionality of solar control glass. Colours like warm grey, green, white, and black complement the low-E and solar control coatings, giving buildings a distinctive appearance. 

Tinted glass has a neutral look that closely resembles clear, uncoated glazing, making it ideal for designs that require subtle yet impactful detailing. This balance of form and function ensures that your architectural glazing enhances the building’s overall aesthetic without compromising on comfort or efficiency. 

Advantages and Disadvantages of Solar Control Glass 

Key benefits: 

  • Energy Efficiency: By reducing heat gain, it lowers the reliance on air conditioning, leading to energy savings and reduced carbon footprints. 
  • Enhanced Comfort: The glass minimises glare and maintains consistent indoor temperatures, even in areas with significant sun exposure. 
  • Design Flexibility: Architects can choose from a wide range of coatings, tints, and performance specifications to match the vision of the project. 

Some considerations: 

  • Cost: Solar control glass can have a higher upfront cost than standard glazing. However, the energy savings and reduced cooling expenses often offset this initial investment. 
  • Installation Requirements: To achieve optimal performance, proper installation by experienced professionals is essential. 

FAQs 

Does solar control glass really work? 

Yes, it's highly effective in reducing heat gain and managing solar radiation. Its ability to reflect and absorb heat has been proven in both commercial and residential applications, helping create more comfortable indoor environments. 

What are the advantages and disadvantages of solar control glass? 

The main advantages include energy efficiency, improved comfort, and aesthetic versatility. Disadvantages include a higher upfront cost and the need for precise installation to maximise performance. 

Is solar control glass expensive? 

It may cost more initially than standard glass, but its long-term benefits—such as lower energy bills and enhanced property value—make it a worthwhile investment for most architectural projects. 


Transform Your Next Project

Ready to create energy-efficient, comfortable, and visually stunning spaces?  
Contact our team today to discuss how Solar Control Glass can elevate your architectural vision. Why not collaborate with us and design a bespoke glazing solution tailored to your project’s needs?