Polytunnel Roof Vent

Mechanically operated on a rack pinion system running off a 24vdc motor.

Polytunnel roof vent.

Used to release excessive heat build up in your polytunnel without having to open 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. Controlling temperature and humidity is critical though and i ve tackled the problem of polytunnel ventilation by installing a solar powered cooling system.

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

Find this pin and more on greenhouseby tina smith. The spring closing design allows it to be closed tight shut when ventilation is not required. These roof vents can be incorporated in to your new polytunnel design or retrospectively fitted to existing polytunnels. Manually operated by a simple pull cord with a spring closing design to allow it to be closed tight when not in use.

Easy to install roof vent with simple pull cord operation. The ultimate polytunnel roof ventilation system for multi span polytunnels. 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. Weighing only 8 5 lbs the roof vent uses standard wire lock and channel to attach securely to greenhouse poly film.

It is used to release excessive heat buildup in your polytunnel. Polytunnels like greenhouses can get very hot in sunny weather. 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.

These roof vents can be incorporated into your new polytunnel design or retrospectively fitted to existing polytunnels. 80 watt solar panel fixed to frame.