Advanced Interlayer Solutions Division Projekte Leatop Plaza
ADVANCED INTERLAYER SOLUTIONS
The visual appeal and brightness of the building is primarily down to the use of white ceramic glaze in over 70% of the hanging element of the overall façade. The façade also offers significant beneficial functional attributes thanks to the use of SentryGlas® ionoplast interlayer in its laminated construction.
At 303 m (994 ft), the Leatop Plaza is the city's fifth tallest building. It has 69 floors in total, 5 of which are below ground, 35 elevators and 838 parking spaces. Designed by a team including more than 10 design firms, the developer invested some 2 billion RMB in the project, which was finally opened in 2012. Of the total façade area of 159,500 m2 (1.700.00 sq ft), SentryGlas® was used over 63,000 m2 (678.000 sq ft).
Secured to the building to look like scales, the 1.95 x 4.2 m (6.4 x 13.8 ft) ceramic glazed laminated panels comprise 8 mm (5/16") HS low-iron + 1.52 (60 mil) SentryGlas®+ 8 mm (5/16") HS low-iron glass + air + 8 mm (5/16") low-iron glass. The panels exhibit a partial open-edge design, with 0.5 m (1,6 ft) of their 1.95 m (6.4 ft) width hanging out in the open. The architect took this approach for multiple reasons.
First to improve the façade's energy-saving capabilities; as the projecting façade acts as sun louver, helping to decrease energy using by 5%. Second, for aesthetic reasons, the scale façade looks white and transparent making the building brighter than any of the surrounding buildings. Finally there was a strict requirement concerning durability and delamination. Any potential panel failure would have led to the design being rejected.
SentryGlas® played a key role; as well as its compatibility with the ceramic material it has also seen deployment in many energy-saving installations around the world. Finally, its open-edge durability is very impressive, giving the architects and owners the confidence they need relating to the open edge design. According to the lead architect: "We were looking for a solution that offered enough durability for this design. And we finally found the answer in the form of SentryGlas®."
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