The new Helsinki Music Hall rising near the city centre will open to the public in summer 2011. Designed by LPR Architects, the new building is enclosed in a fully glass-fronted foyer. To achieve the thermal performance needed at such a northerly latitude, the architects and façade specialist Normek Oy opted for Interpane triple-pane insulating glass. The 3,600 sq m of iplus neutral E glass that went into this will protect the hall from the cold, while the west, south and east elevations are lined in ipasol neutral (70/39) to protect from glare and overheating during the short Finnish summer.
The extensive façade glazing is point fixed to the inside structure by steel tie-beams; it is also stabilized by large laminated safety glass ‘fins’ formed of two panes of toughened glass 15 mm thick, 60 cm wide and up to 6 m tall using low-iron clear glass and laminated with a PVB film.
Thanks to this use of duly insulated clear glass, the hall inside enjoys a fine view out of doors, as well as excellent thermal insulation and sun control. In the building envelope the solar factor ranges from 34% to 52%, while the thermal insulation amounts to 0.7 W/m2K at nearly all points of the façade. Lastly, the triple glazing effectively absorbs traffic noise from adjacent streets.Interpane
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