b'P SYSTEMThe P System comprises a Venetian blind incorporating a 12.5mm slat designed to be integrated in a double glazed unit with a 20mm cavity.The manual tilt only function is operated via a wire drive and an external knob. The specially designed corner key containing the rotational magnet is connected to the external knob by a flexible drive cable located within the glazing cavity of the window frame. Due to the narrow cavity (20mm), the system can be used in almost all types of existing window frames, whilst the special design allows the aesthetic quality to be maintained in whatever environment it is installed. The only visible control is the external knob fixed to the window frame, allowing the glass surface to remain completely free and easy to clean.These particular features make the P System ideal for public environments such as hospitals or government offices where a variety of building users will need to operate this simple but highly protected system. It can also be modified to incorporate a 16mm slat for integration in a 24mm cavity unit.Safety assuredBoth the BS System and P System meet the requirements of child safety standards as recommended by the BBSA.Fire safeThese systems can be specified with fire resistant glass to delivera certified fire rated integral blind unit providing protection of either 30, 60, or 120 minutes.25'