External width 60 mm, slot opening 8 or 20 mm, in omega shape with circumferential outer edge. Material Stainless steel AISI 304 (1.4301) or Stainless steel 316 (1.4404), Plate thickness 1.5 or 2 mm. Inverted pleated U-edge (outer edge) with solid stainless steel full material edge reinforcement against mechanical and thermal stress according to EHEDG. Longitudinal and transverse slope provided with 0.5% / m, 1% / m or otherwise. Starting height 65 mm. Buckled bottom. Round intermediate arrows in the gutter, leveling feet and concrete anchors and grounding. Strands (> = 4000/6000 mm) connectable by means of screwable EPDM coupling flanges. Welded version, all welds are WIG or MIG. Load class M, 125 kN according to EN 1253 (forklift traffic). The surrounding top edge is ground with 240 grain. Pickled by immersion and passivated finish.