Pelgulinna State Secondary School in Tallinn, Estonia, is a model of modern, sustainable school design. It prioritizes student well-being by incorporating natural light, energy efficiency and thermal comfort. With large glazed façades and a location surrounded by nature, the building creates a welcoming atmosphere while minimizing its environmental footprint. As one of Estonia’s largest wooden structures, it combines functionality with sustainable innovation. At the core of the project is COOL-LITE® XTREME 61/29 II, a high-performance solar control glass from Saint-Gobain. It provides abundant natural light while maintaining thermal comfort by reducing overheating, making it ideal for the school’s large glazed façades. This glass combines energy efficiency with very neutral aesthetics, offering low reflectivity and clear views that enhance the learning environment. By limiting the need for air conditioning and reducing heat loss in winter, it ensures comfort and sustainability. With COOL-LITE® XTREME 61/29 II, the school achieves a balance of energy savings, user well-being and sustainable design, setting a new standard in energy-efficient architecture. Video presenting the project GLASS FOR FAÇADE - 2025 EDITION BACK TO CONTENTS 103
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