Polytunnel Roof Vent

The spring closing design allows it to be closed tight shut when ventilation is not required.

Polytunnel roof vent.

Mechanically operated on a rack pinion system running off a 24vdc motor. This roof vent which can be easily installed with support bars. Using a simple pull cord operation it can be open and closed manually. A polytunnel roof vent lnstalled simply by cutting a 30cm hole in your polytunnel roof then pushing though the polythene is ideal for removing excess heat without opening the doors.

80 watt solar panel fixed to frame. Stabilized polycarbonate provides un matched clarity for maximum light transmission while the aluminum construction ensures long service life. Polytunnel roof vent easy to install roof vent with simple pull cord operation. Manually operated by a simple pull cord with a spring closing design to allow it to be closed tight when not in use.

The spring closing design allows it to be closed tight shut when ventilation is not required. Used to release excessive heat build up in your polytunnel without having to open the doors. The spring closing design allows it to be closed tight shut when ventilation is not required. The ultimate polytunnel roof ventilation system for multi span polytunnels.

Weighing only 8 5 lbs the roof vent uses standard wire lock and channel to attach securely to greenhouse poly film. Polytunnels like greenhouses can get very hot in sunny weather. These roof vents can be incorporated into your new polytunnel design or retrospectively fitted to existing polytunnels. Find this pin and more on greenhouseby tina smith.

These roof vents can be incorporated in to your new polytunnel design or retrospectively fitted to existing polytunnels. Used to release excessive heat build up in your polytunnel without having to open the doors. Controlling temperature and humidity is critical though and i ve tackled the problem of polytunnel ventilation by installing a solar powered cooling system. Mechanically operated on a rack pinion system running off a 24vdc motor.

Polytunnel roof vent easy to install roof vent with simple pull cord operation. Used to release excessive heat build up in your polytunnel without having to open the doors.