Electrochromic glass by SageGlass

SageGlass dynamic glass is a key contributor to “Acoustic performance” criterion because it is available as double and triple glazing and its sound insulation properties can be even more enhanced.

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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 4 credits (building type dependent)

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Key contribution

With green building at its core, SageGlass is as versatile as it is dynamic: it can be easily and seamlessly mixed with a variety of glass to meet appropriate acoustic performance standards.


To ensure the building's acoustic performance, including sound insulation meets the appropriate standards for its purpose.

Requirement summary

All unoccupied spaces must comply with defined indoor ambient noise level (either national regulation, or good practice standards, or BREEAM levels). The ambient noise is measured on site by a suitably qualified acoustician to ensure that the relevant spaces achieve the required levels. The sound insulation between “acoustically sensitive rooms” (offices, meeting rooms, rooms used for public speaking or seminars …) and other occupied areas comply with the privacy index.

For rooms/areas used for speech, a reverberation time level has to be respected

Learn more about Acoustic Performance

Our contribution

When designing or renovating a new space, it is essential to carefully consider the acoustic factor. Unwanted noise can be detrimental to users’ health and noise exposure can lead to a decreased sense of general well-being.

To help reduce this exterior noise, SageGlass is available as double or triple glazing. Sound insulation properties can also be enhanced by combining two panes of glass of different thickness or adding a special acoustic laminate. A high quality, airtight frame should be used for optimum performances.

Moreover, silent SageGlass replaces blinds and mechanical shades, which are an active source of noise.