| 摘要 |
<p>An elongate construction element (1), which is characterised in that the construction element is made of a panel, wherein the element can be transformed from a flat position to an erected position, wherein the element is at least substantially made of paper/cardboard, wherein the panel has an at least substantially U-shaped cross-section, wherein the panel comprises an elongate base panel (2) and at least two elongate side panels (3) which are each hinged to the base panel (2) along a longitudinal edge (6) thereof, wherein the side panels (3) can hinge from a flat position to an upright position on the base panel (2), wherein the panel is clad with a water-repellent cladding.</p> |
