| 摘要 |
A sheet metal cladding panel (1) for covering roofs and walls of building s, comprising an elongated sheet metal member forming a web (2) of the panel , which has upwards folded 5 flanges (3, 4) along the two elongated edges of said web (2) of the panel (1), a first (3) of said upwards folded flanges b eing folded outwards and downwards along its upper edge to form a first lap (6) and a second (4) of said upwards folded flanges is folded inwards and do wnwards along its upper edge to form a half lap (8). The invention further i ncludes a system and a method for cladding roofs and walls with at least two such 10 panels (1). According to the invention, the panels are provided wit h pre-cuts (18) at a double-layered first flange (3).
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