Polytunnel Roof Vent

Manually operated by a simple pull cord with a spring closing design to allow it to be closed tight when not in use.

Polytunnel roof vent.

Mechanically operated on a rack pinion system running off a 24vdc motor. Mechanically operated on a rack pinion system running off a 24vdc motor. The spring closing design allows it to be closed tight shut when ventilation is not required. This roof vent which can be easily installed with support bars.

Weighing only 8 5 lbs the roof vent uses standard wire lock and channel to attach securely to greenhouse poly film. 80 watt solar panel fixed to frame. Using a simple pull cord operation it can be open and closed manually. Polytunnel roof vent the ultimate polytunnel roof ventilation system for multi span polytunnels.

It is used to release excessive heat buildup in your polytunnel. Controlling temperature and humidity is critical though and i ve tackled the problem of polytunnel ventilation by installing a solar powered cooling system. The ultimate polytunnel roof ventilation system for multi span polytunnels. Stabilized polycarbonate provides un matched clarity for maximum light transmission while the aluminum construction ensures long service life.

Find this pin and more on greenhouseby tina smith. 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. 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.

Polytunnels like greenhouses can get very hot in sunny weather. Polytunnel roof vent easy to install roof vent with simple pull cord operation. These roof vents can be incorporated into 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.

These roof vents can be incorporated in to your new polytunnel design or retrospectively fitted to existing polytunnels. Easy to install roof vent with simple pull cord operation.