Combines an underlay support tray with an over fascia vent and an eaves comb filler. Providing an unobtrusive and continuous 10,000mm²/m free area ventilation to the underside of the tray between a 4mm insect prevention grille and into the roof space. For use with a fascia eaves detail. May be used on roof pitches down to 15°. For use with Roof Tiles & Slates Discreet Low-Profile Design 4mm Flyscreen Grille Angled Top Surface Aids Water Run-Off Additional Locations for Secondary Rafter Fixing Moulded Drainage Gullies around Fascia Fixing Points For use with Roof Tiles & Slates Discreet Low-Profile Design 4mm Flyscreen Grille Angled Top Surface Aids Water Run-Off Additional Locations for Secondary Rafter Fixing Moulded Drainage Gullies around Fascia Fixing Points