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The canopied entry reveals the courtyard, Halle Verrière, and CIAV (1), plus the glass museum (2), and ticket office (3). Photos © Iwan Baan

By the early 2010s, the repurposed Meisenthal plant was receiving 70,000 visitors a year. “We’d proved we had the audience; now we needed a proper setting and facilities to welcome them,” explains Yann Grienenberger, CIAV’s director. In 2014, the local authority, owner of the site, agreed to a $13.6 million redevelopment plan, and an international call for proposals was organized. The brief included the renovation of the existing buildings, the addition of a black-box auditorium to the Halle Verrière, and the construction of new furnaces for the CIAV as well as of a new ticket hall/café for all three institutions. Entrants were expected to bring a sense of unity to a disparate site. “Out of the 184 submissions received, we chose three,” continues Grienenberger. “A safe pair of hands from Berlin [LIN], a more local team [the Belgians Hebbelinck and de Wit, in partnership with Nancy-based office Studiolada], and the joker entry [New York–based SO — IL, who teamed up with French practice FREAKS]. The joker won.”

“I think they chose us because we didn’t really do a building,” says Florian Idenburg, founding partner, with Jing Liu, of SO – IL. “Ours was also the project that preserved most of the existing fabric.” Seductively simple, the winning design aimed to unite the three institutions—whose entrances are all at different heights because of the sloping terrain—in an undulating wave of concrete that also includes the ticket hall on the street. Resisting the temptation to build a glassworks in glass, SO – IL and FREAKS sought nonetheless to represent the material through the idea of the concrete wave as symbolic “of molten earth. We felt it was allegorical for glass: something that is solid and becomes fluid and then hardens again,” explains Idenburg. They also aimed to create a coherent visitors’ circuit for the three entities, which are located around a central courtyard: first you arrive in the ticket hall (which also houses the gift shop and café); from there you pass into the museum via its basement, where you see the remains of the first furnace and watch an introductory film, before taking the elevator to the upper-floor galleries; a footbridge then leads you over to the CIAV, where you tour the glass-engraving workshops and watch, from the safety of an upper-floor internal window, the making of glass objects in the new furnace buildings; and, finally, you descend to the courtyard and can enter the Halle Verrière if there is an art exhibition on display that day.

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The consolidated arts site comprises the Halle Verrière, a former glassmaking facility turned exhibition and event space (4); a hybrid ticket office/ gift shop/café structure (5); and a new furnace building (6). Photos © Iwan Baan

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In the team’s competition renderings, the concept appears strong, especially from the air, but the details are very vague—which no doubt goes some way to explaining the disparity between the images’ rhetorical seductiveness and the reality on the terrain. Neither does it help that the concrete contractor, who apparently found the architects’ drawings too complicated to read, did such a sloppy job. The problems begin right at the entrance, which comprises a deep concrete canopy that is forced to make the jump between the ground floor of the Halle Verrière and the upper floor of the ticket hall: the resulting lopsided tunnel is distinctly uninviting. Then, when viewed from the courtyard, the all-concrete humpbacked ticket hall is distressingly ungainly, its slopes too steep for pedestrians, meaning the undulating circuit is interrupted by railings. (Given the very limited surface area it provides, was the entrance building’s upper floor even necessary, one wonders.)

Despite these reservations, there is much to like. The transformation of the Halle Verrière is sober and practical, with a new lower-level public entrance, generous dressing rooms, and a large bar catering both to the main hall and the black-box auditorium. The latter has been praised by both staff and visiting artists alike for its acoustics and adaptability (which includes the possibility of opening the stage on both sides—an idea put forward by the architects—allowing it to be used for large-scale concerts of 3,000 in the main space). The museum galleries, with displays by Designers Unit, are just as unpretentiously accomplished, as are the ground floor of the ticket hall (which incorporates the ruins of a brick structure) and the two new furnace buildings—one a recladding of a 1920s concrete frame, the other its doppelganger, poured on-site. If the architects had gone a little lighter on the facile wave symbolism, this project would have gained enormously in potency.

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