For ventilation with outside air the air inlet and outlet hatches are needed. Allround Hatches are made of PIR sandwich panels to ensure proper insulation of the storage section.
- Nearly indestructible hinges, normally used for insulated doors
- Hatch flap overlaps the gap in the wall to avoid thermal bridges
- Rubber seal can optionally be fitted with heating wire to avoid freezing of the flap to the frame during cold periods
- Can be made in many different colors The racks and pinion-houses for the automation of the hatch have been used in greenhouses for decades
- Hatch made of PIR sandwich panels
- Durable and weatherproof sealing rubber
- Galvanized steel frame and hatch cover