Polytunnel Roof Vent

Using a simple pull cord operation it can be open and closed manually.

Polytunnel roof vent.

These roof vents can be incorporated in to your new polytunnel design or retrospectively fitted to existing polytunnels. 80 watt solar panel fixed to frame. Mechanically operated on a rack pinion system running off a 24vdc motor. Stabilized polycarbonate provides un matched clarity for maximum light transmission while the aluminum construction ensures long service life.

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. These roof vents can be incorporated into your new polytunnel design or retrospectively fitted to existing polytunnels. Weighing only 8 5 lbs the roof vent uses standard wire lock and channel to attach securely to greenhouse poly film.

Controlling temperature and humidity is critical though and i ve tackled the problem of polytunnel ventilation by installing a solar powered cooling system. 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. This roof vent which can be easily installed with support bars. Find this pin and more on greenhouseby tina smith.

Polytunnels like greenhouses can get very hot in sunny weather. It is used to release excessive heat buildup in your polytunnel. The spring closing design allows it to be closed tight shut when ventilation is not required. Polytunnel roof vent easy to install roof vent with simple pull cord operation.

Mechanically operated on a rack pinion system running off a 24vdc motor. 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. Easy to install roof vent with simple pull cord operation.

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.