‘German’ polyester curbs are available in both inclined and straight styles. The inclined polyester curbs have a difference of 20cm between daylight size and roof opening and are available in 3 heights:
- 15cm (PO 15/20)
- 30cm (PO 30/20)
- 50cm (PO 50/20)
These curbs are also available in a round style.
The 30cm curbs are available with different insulation thicknesses. The PO 30/20 EP60 and the PO 30/20 EP100 are super-insulating. These curbs are provided on the outside with 60 or 100mm additional encased PUR insulation.
The straight polyester curbs come in 2 heights:
- 30cm (PO 30/00)
- 50cm (PO 50/00)
- Polyester curb with ventilation grid (PO 30/20)
- Polyester ventilation curb with X-Pelair (PO 50/20)