Products > Hatches > How to measure
Gebo standard hatch
  • With flange, corner radius 55mm on cutoutsize.
  • Without flange, corner radius 30mm on cutoutsize.

Hatches have to be installed on a flat surface with a max. tolerance of 1mm.
The cutout size is 16mm less than the overall size. From the cutout size you can see in the productdatabase which innerrim or mosquito screen fits to which hatch.

Gebo flushline hatch
  • With flange, corner radius 42mm on cutoutsize.
  • Hatches have to be installed on a flat surface with a max. tolerance of 1mm.
    The cutout size is 21mm less than the overall size. From the cutout size you can see in the productdatabase which innerrim or mosquito screen fits to which hatch.