Polytunnel Roof Vent

Weighing only 8 5 lbs the roof vent uses standard wire lock and channel to attach securely to greenhouse poly film.

Polytunnel roof vent.

The spring closing design allows it to be closed tight shut when ventilation is not required. 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. These roof vents can be incorporated into your new polytunnel design or retrospectively fitted to existing polytunnels.

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. Polytunnel roof vent easy to install roof vent with simple pull cord operation. Easy to install roof vent with simple pull cord operation.

Mechanically operated on a rack pinion system running off a 24vdc motor. 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. Polytunnel roof vent the ultimate polytunnel roof ventilation system for multi span polytunnels.

Manually operated by a simple pull cord with a spring closing design to allow it to be closed tight when not in use. Using a simple pull cord operation it can be open and closed manually. Used to release excessive heat build up in your polytunnel without having to open the doors. The ultimate polytunnel roof ventilation system for multi span polytunnels.

These roof vents can be incorporated in to your new polytunnel design or retrospectively fitted to existing polytunnels. 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. The spring closing design allows it to be closed tight shut when ventilation is not required.

It is used to release excessive heat buildup in your polytunnel. This roof vent which can be easily installed with support bars.