Glass facade & windows by Saint-Gobain

See below how Glass Facade & Windows by Saint-Gobain can contribute to BREEAM criteria: Low Carbon Design.

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The number of points is given for only information purpose. Saint-Gobain, in anyway, shall not guarantee or not be held liable for non-fulfillment of the certification which includes a broader package than constructions products employed for the targeted building.
Up to 3 credits (all buildings)

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Key contribution

With green building in mind, Saint-Gobain Glass offers a wide array of opportunities to implement passive design strategies to reduce building energy demands and as a consequence, its carbon emissions. With solar control and low-emissivity, our glass meets the requirements of low energy consumption buildings.  


To encourage the adoption of design measures, which reduce building energy consumption and associated carbon emissions and minimise reliance on active building services systems.

Requirement summary

Analysis of the proposed building design and development is undertaken to identify opportunities for and encourage the adoption of passive design solutions, including free cooling in order to reduce the overall building energy demand. A feasibility study has been carried out to establish the most appropriate on site or near site low or zero carbon energy sources for the building or development, and is specified.

Learn more about Low Carbon Design

Our contribution

Owing to its insulation and solar reflection properties, glass enables a great number of passive design strategies to be deployed in order to reduce energy consumption and associated carbon emissions. This is primarily in three areas:

  • Heating: by minimizing energy losses in winter (low-e function and a better glazing thermal insulation called the “Ug value”);
  • Air-conditioning: by minimizing cooling loads in summer (solar control function); and
  • Lighting: the transparence of glass facilitates the free contribution of natural light.  

Below are some examples of our glazing configurations and their performances depending on the climate conditions:


“Calumen Live” is a digital simulation program that calculates the light, energy and thermal performance of a glazing. It allows users to easily define the configuration according to the outdoor conditions and occupants’ preferences, so that you can select the ideal glazing from among the wide range of high-performing products in terms of light transmission (up to 90%), U-value (up to 1,0 W/m².K), g value, etc.