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.

It is used to release excessive heat buildup in your polytunnel. Mechanically operated on a rack pinion system running off a 24vdc motor. 80 watt solar panel fixed to frame. This roof vent which can be easily installed with support bars.

Find this pin and more on greenhouseby tina smith. Used to release excessive heat build up in your polytunnel without having to open the doors. Mechanically operated on a rack pinion system running off a 24vdc motor. Polytunnel roof vent the ultimate polytunnel roof ventilation system for multi span 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. 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.

Easy to install roof vent with simple pull cord operation. Polytunnel roof vent easy to install roof vent with simple pull cord operation. The spring closing design allows it to be closed tight shut when ventilation is not required. Weighing only 8 5 lbs the roof vent uses standard wire lock and channel to attach securely to greenhouse poly film.

Using a simple pull cord operation it can be open and closed manually. The spring closing design allows it to be closed tight shut when ventilation is not required. 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. Polytunnel roof vent easy to install roof vent with simple pull cord operation.

Polytunnels like greenhouses can get very hot in sunny weather. The spring closing design allows it to be closed tight shut when ventilation is not required.