FIREPROOF WALL

A fireproof wall (100), comprisingsandwich panels (1) having a first and a second face skins (2, 3) of sheet metal, and a first and second attachment edges (4, 5) arranged on opposite edges of the sandwich panel (1). The attachment edge (4, 5) comprises an attachment profile (6) being formed from at least one of said face skins (2, 3) and shaped for a tongue-and-groove attachment. The fireproof wall (100) further comprises a joint (7) in where two sandwich panels (1) are adapted to be connected to each other by at least one tongue-and-groove attachment by their attachment profiles (6), and a fastener (12) in the joint (7) arranged through a tongue (13) of one of said two sandwich panels (1) and a groove (14) of another of said two sandwich panels (1). A resilient fitting plate (8) is adapted to be attached on the joint (7), the resilient fitting plate (8) comprising a first fitting edge (9) adapted to be attached to a first of said two sandwich panels (1) and a second fitting edge (10) adapted to be attached to a second of said two sandwich panels (1), and at least one bulge (11) arranged between said first and second fitting edges (9, 10) in parallel to the edges of said sandwich panels (1) arranged in the joint (6). The bulge (11) is configured to extend outwards away from the panels (1).