| 摘要 |
The invention concerns a wall element comprising an outer panel 2 and an inner panel 1, joined together by edge wires 5,4 and step wires 6 arranged in the panels, also crown and girder wires, and heat-insulation material 3 installed between the panels. In order to improve the element's weather resistance, each crown wire 7 has been fixed at one point in the outer panel 2, and in at least one point in the inner panel 1. Each girder wire 8 has been fixed at one point in the outer panel 2, also in the inner panel 1, viewed in the element's vertical direction, in at least one point on each side of the outer panel's 2 fixing point. <IMAGE>
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