- All parts are Swedish galvanised steel (0.6 mm). Gutter joint 0.75 mm. Gutter hooks 1.25 mm.
- Zinc coated (275 g/m²).
- Weather-resistant, black paint in 4 layers (35 µm).
- The tin can be shaped and bent without resulting in cracks in the paint.
- Seal the joints with BTMultibond.
- For touch ups, roofingpaint can be used.
- For leaf collection, use leafgrid, which matches this system.