Unlike traditional stained glass, dalle de verre uses thick, textured glass panels that range in thickness from one to three inches. Each slab is chiseled by hand to create unique patterns and textures, then arranged in a concrete grid to form a window that can withstand strong winds and other harsh weather conditions.
Originally developed in France in the early 20th century, dalle de verre quickly became popular with architects and designers around the world due to its versatility, durability, and beauty. It can be used to create intricate patterns and designs that blend seamlessly with the surrounding architecture, as well as to create striking standalone works of art.
One of the most famous examples of dalle de verre is at the Cathedral of Saint John the Divine in New York City. This massive Gothic cathedral is home to the largest installation of dalle de verre in the world, with nearly 10,000 panels of glass covering over 20,000 square feet of surface area. The stunningly intricate patterns and textures of the glass capture the light and create a mesmerizing visual effect that draws visitors from around the world.
Another notable example of dalle de verre is in the facade of the main auditorium at the Palais des Congrès in Montreal, Canada. The bold, colorful panels of glass create a striking contrast with the otherwise modern, minimalist architecture of the building, and serve as a testament to the enduring appeal and versatility of this unique art form.
Despite its many advantages, dalle de verre is not without its challenges. Because the panels are so thick and heavy, they can be difficult and expensive to transport and install. Additionally, the process of chiseling each panel by hand is time-consuming and requires a high level of skill and expertise.
However, for those who appreciate the beauty and functionality of dalle de verre, these challenges are a small price to pay for the stunning works of art that can be created. From the intricate patterns of religious windows to the bold, colorful designs of public buildings, dalle de verre remains a timeless and enduring art form that continues to enchant and inspire people around the world.