Thin-walled J trimmers are used to create and reinforce larger openings in trapezoidal sheets.
They are inserted from above into the free ribs of the sheet and, depending on the design, combined with U-shaped cross members.
 | Parameters| Thickness t | 1.5–4.0 mm | | Length | up to 6,500 mm (with punching up to 6,450 mm) | | Shape and dimensions | according to sheet type and drawing | | Material | S320GD+Z275 (EN 10346), certificate 3.1 on request; other grades, e.g. S350GD, on individual request | | Punching | yes, according to drawing |
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Shape and dimensions
- H – profile height
- B1 – top flange width
- B2 – bottom flange width
- C – lip length
- t – sheet thickness
Other solutions for openings
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