The Ubbink Over Fascia Vent System is a one-piece interlocking system fitted to the top of the fascia which provides:
• Eaves level continuous ventilation 
• Semi-rigid hinged underlay support flap   
• Large insect and vermin inhibitor   
• Discharge of water from underlay to gutter  
• Under tile bird excluder (OFVS10 only)
                                
                                            -  One piece interlocking system
 
                                            - Continuous eaves ventilation
 
                                            - Roof pitches 15-70 degrees