Roof Ventilation for Multiwall

These PVC roof windows are for 16mm & 25mm polycarbonate sheets and are used in conservatories to provide ventilation.



These PVC roof vents for polycarbonate sheet come pre-welded and are ready to install, simply cut the polycarbonate sheet using the templates supplied with the vent, taking care not to damage the piece you are removing as this is required for the lid. Then using the sealant and gaskets supplied, fit to your existing sheet. If you are installing new sheets this can be done at ground level, alternatively this can be performed in existing polycarbonate roofs.