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company focus: hoogovens

Part of the Jubilee Line Extension, the interchange was commissioned by London Underground as a ground-level centrepiece for its new North Greenwich Tube Station. The designer, Sir Norman Foster & Partners, specified kal-zipregistered for the stunning aerofoil-shaped roof because it demanded a roofing material that could withstand the degrees of bending required during installation and at the same time offer the flexibility needed for the curved design of the building. 6300m2 of 0.9mm gauge natural stucco finish kal-zipregistered, curved on site, was able to meet the challenge of the roof's complex geometry, which curves both from front to back as well as from the middle to both sides.

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