Portfenetr


Portfenetr, porte-fenêtre (porte de porte, fenêtre okna) - Occurring in the palaces of the 17th and 19th centuries, a high floor-to-ceiling window, secured by an external balustrade.

Currently used as a replacement for a balcony, especially in tall buildings and where the elevation of the building is to be flat. Can be used not higher than 25 m above the ground (Journal of Laws 75, item 690, §303 point 3). In deep rooms, especially in narrow rooms, it is possible to illuminate the interior throughout the entire length and height of the room, including the floor and ceiling, giving an even distribution of light in the window and in the interior of the room by keeping the shadows close to the outside wall and very good distances. In wide but shallow rooms, the opposite effect divides the room into a well-lit part of its height and part shaded. In both cases it gives room lighting which gives much higher plasticity than low and wide windows.

Window used mainly in residential areas, much less often in offices and workshops. From the outside of the building, the portfenet window makes the optical impression of lightness. These buildings seem to be narrower and higher. The disadvantage (as in the case of balconies) is the coldness of the feet in case of insufficiently tight woodwork.

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