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Solar Control Glass - IQ Glass Product Information Sheet
External
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Specification
Typical Neutral Solar Coatings
Tinted Solar Control
Glass Options
Solar Control Glass
Solar Control Glass is manufactured with Solar Control Coatings consisting of thin metal oxide layers within the inner face of the outer glass pane.
By using Solar Control Coatings on your architectural glazing design you can:
- Reduce Solar Gain whilst maintaining light transmission and clarity
- Reduce cooling costs in high glazed spaces
- Create a comfortable internal environment with a minimal glass design
With the rise in large glass elevations used in architectural design projects both residential and commercial. In addition, the technical advances in the thermal insulation of glass mean more and architects include large glass elevations in their designs for a contemporary design aesthetic.
Solar Control Coatings
The solar control coating is applied to the internal face of the external glass panel of an insulated glass unit, also known as face two of the glass unit. The metal oxide coating reduces the amount of short wave radiation that travels through the glass unit thus reducing the increased heat levels inside.
There are a range of solar control coatings available, affording you different levels of light transmission, external tints and solar control. The most popular of these solar control coatings is a 70/35 solar control coating which maintains the unit’s light transmission at 70% for a natural appearance whilst reducing the G factor of the glass unit to 35%.
Solar Control coatings must always be used on an insulated glass unit, either double or triple glazed.
At the Showroom
Various levels of solar control glass can be seen around the newly renovated IQ Glass showroom, ranging from the standard 70/35 which is barely noticeable to the human eye, all the way up to a high-level solar control glass which acts as reflective glazing.
As with many technical glazing solutions, some clients worry that coatings will change the look of the glass. When visiting the IQ glass showroom, you will be able to see an example of 70/35 solar control glass incorporated into our double height, automated vertical sash window.
The vertical sash window sits next to a double height automated sliding pane without a solar control coating on the glass, as seen in the image to the left. This allows clients to see the difference on a large scale in person, side by side.
Solar Control for Large Glass Elevations
Large areas of architectural glazing can bring extensive natural light and uninterrupted views into a building, but they can also increase solar gain within the internal space. Solar control glass can help manage the amount of solar radiation entering through large glazed elevations while maintaining the benefits of a highly glazed design.
Solar control coatings are available at different performance levels, allowing the glass specification to be tailored to the orientation, size and requirements of the glazing. Neutral coatings can maintain a clear appearance while reducing solar gain, making them particularly suited to contemporary residential architecture.
For large glazed façades, selecting the appropriate solar control specification at the design stage can help create a more comfortable internal environment without compromising the architectural intent of the building.
Solar Control for Glass Extensions
Highly glazed extensions can benefit from solar control glass to help manage heat gain while still maximising natural light. This is particularly important for spaces with large areas of south or west-facing glazing, where direct sunlight can significantly increase internal temperatures.
Solar control coatings reduce the amount of solar radiation passing through the glass, helping to limit overheating while retaining views and daylight. The right specification can be combined with large structural glass elevations, sliding doors and other architectural glazing to create a comfortable extension without reducing the amount of glass.
Solar control glass can also be specified with a neutral appearance, allowing the glazing to remain visually minimal and closely resemble clear glass from both inside and outside.
Solar Control Glass for Your Project
Every project has different requirements for solar control, so the glass specification should be considered alongside the size, orientation and position of the glazing from an early stage.
IQ Glass can help develop the right solar control specification for a range of applications, including:
- Large glazed elevations
- Glass extensions
- Floor-to-ceiling windows
- Large-format sliding doors
- Roof glazing and rooflights
- South and west-facing glazing
- Highly glazed residential spaces
Planning a project with large areas of glazing? Speak to our team about your requirements and discuss the solar control glass options available.
Specification
Typical Neutral Solar Coatings
The neutral finish delivers high light transmittance while reducing solar heat gain. There is an extremely diverse range of Solar Control Coatings available. Below are the most popular neutral finish coatings.
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70/37 70% Light Transmission 37% G factor 1.0 Ug value 11% External Reflection |
70/41 70% Light Transmission 41% G factor 1.1 Ug value 11% External Reflection |
70/35 70% Light Transmission 35% G factor 1.0 Ug value 14% External Reflection |
|
40/23 40% Light Transmission 23% G factor 1.0 Ug value 16% External Reflection |
51/28 51% Light Transmission 28% G factor 1.0 Ug value 12% External Reflection |
62/34 62% Light Transmission 34% G factor 1.0 Ug value 15% External Reflection |
|
29/18 29% Light Transmission 18% G factor 1.1 Ug value 17% External Reflection |
Tinted Solar Control
Light is beautiful. Excessive heat is not. IQ’s solar control glass can be tinted to create striking statements using our advanced architectural glazing.
Tinted colours from warm grey, green, white and black complimenting the low-E and solar control coatings. Their neutral appearance is the most similar to clear uncoated glass.
Below are a few examples of tinted colours that can be applied to the solar control coating:
Further Reading
Solar Control Options for Structural Glass
