Roof Ventilation

Automatic roof vent motor drives

Redpath’s “direct-drive” and “cross-link” automatic motor drive systems bring a sturdy, reliable solution for owners wanting a fuss-free electric vent-drive system.

Quality European Ridder and also Viale systems are supplied by Redpath and they come complete with in-built limit switch and optional contactor boxes.  Both single phase and three phase motors may be used with output shafts sized to suit most common building designs.

Redpath will likely have in stock a motor drive system to suit your rack & pinion vent drive greenhouse vents, Use the enquiry form below and advise us of your needs, and we can make the recommendations to suit your individual application.

Setting the motor drive limit switch
Here is an explainer video Ridder RPD PolyDrive Click here


Manual roof vent drives

Redpath offer a range of manual roof vent drives, which are typically operated by either endless chain or via an extension handle.  Differing ratio gearboxes are available from 1:1, 16:1, 30:1. 

Use the enquiry form below to outline your application and tell us a bit about the vent you wish to use these manual winches on and Redpath can provide the right roof vent opener winch for the job. 


Redpath auto roof

Related links

rack and pinion vent openers nz

Vent drive hardware

Ridder rack and pinions, torque tube vent drive bearings, gearbox connectors, vRead more