The most prominent feature of the FSP window, differentiatingitfrom other windows, is the fact that the hinges are placed on its lower edge. The functioning of the smoke ventilation window resembles a reversed top hung window. It is equipped with two electric motors which automatically open the window after a signal from the control unit of the smoke ventilation system, activated by the smoke sensor, is received. When the system is activated, the opened sash protects the ventilation opening in the roof against the negative effectofanylateralwind.Thewindowhastobeinstalledinsucha way that all its edges are below the roof ridge level. Application of the electric motors in the smoke ventilation window allow the possibility of everyday room ventilation. The roof windows, acting as ventilation flaps,aremostcommonlyinstalledinstairways.

• equipped with two electric motors capable of opening the window up to 75 degrees with a force of 1600N in 40 seconds. Power supply voltage – 24V;
• made of vacuum impregnated pine wood, finishedwith two coats of acrylic lacquer;
• fitforinstallationontrimmers,ononeinstallationdepth, because it is equipped with pre-installed mounting brackets;
• because of the high window weight it is recommended to be installed by two people;
• suitable for roofs with pitches between 25 and 60 degrees;
• special flashingforthreedifferentheightsofroofing material.