- For fastening on corrugated cardboard roofing or roofing felt/slate at support tube in the roof.
- Designed for the leading-in of jumpers and various cables and mounting with roof cap.
- The tube is made of zinc and usually measures 50 mm shy of the roof cap. The sheet can be made of PERFORM, which is a ductile material shaped to fit the corrugated roof. The sheet can also be made of zinc for flat roofs (roofing felt, slate, etc.).
- Non-stocked items. On request.