Smoke Ventilation windows for pitched roofs - packages contain a single electrically operated GGU white polyurethane roof window with laminated glazing, 1 smoke sensor, 1 break glass point and 1 wall control unit plus a flashing kit. Electric control system requires installation on site. A single SK06 size window meets requirements for 1m² of smoke ventilation, whilst the UK08 system provides 1.5m². Smoke Vent windows can also be ordered singly. Smoke sensors, break glass units, wind deflectors etc can be purchased separately as required.