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The SL25-03D is a right L-joint with StarModul slope for 2.5×2.5 cm square tubing. This corner piece connects the post with a horizontal beam and the inclined roof beam. It is the right-hand version of the piece; the other hand is sold separately. It is screw-mounted, without welding, and includes the screws.
It is used in the corners of single-slope roofs and porches. The 2.5×2.5 cm tube is for small, light structures, where a fine line and clean finish are desired. View the 3D viewer on this page to see the exact shape of the piece.
Fit the tubes into the piece, check the corner bracket, and screw them in. No welding or special machinery is needed, so the structure can be assembled directly on site. For this joint, you need 2.5×2.5 cm (1.5 mm thick) galvanized steel tubing; we can send it cut to size.
See also: all joints for 2.5×2.5 cm tubing without flanges and the 3D structure configurator, which calculates the joints and tubes for your project.
Yes. Each joint is delivered with its screws.
No. The entire StarModul system is screw-mounted, so it can be assembled and disassembled without welding.
With stock, 2–3 days in Catalonia and Aragon and 7–8 days in the rest of Spain. Without stock, 2–3 weeks.
Yes. We work to measure and can send you the complete kit: joints, cut tubes, facade and roof panels, trims, and screws. Request a quote.
| Weight | 2 kg |
|---|---|
| Measurement | 2.5 x 2.5 cm |
3,96€ (excl. VAT)
Explore the interactive model to view the product’s geometry and configuration from different angles.




With the StarModul 3D steel structure configurator, you can define the dimensions, geometry, and initial configuration of a structure using our bolted connection system.
The tool generates a preliminary list of the necessary joints, a quantity takeoff for pipes and profiles, and an initial assessment of the configured components.