The prototype of the attic was a dormer window, which was located in the wall of a non-residential attic space. In the XVIII century French architect Mansar was invited to use the attic as a dwelling for poor people. In honor of him, this attic room was also called an attic. Later, the Danish engineer Rasmussen came up with a window in the attic to cut directly into the roof. It was this window that was called mansard.
Types of attic windows
It is difficult to call a cozy room in which there is no natural lighting. Especially it concerns the attic - the room, located under the roof of the building. Therefore, for the organization of such space, the best option is to install attic windows.
According to the type of construction, the attic windows are:
- Classic , which are located in the slope of the roof sloping to the floor level. Such windows are the most popular. In the room under the roof you can install either one large attic window or, if the room is large, there may be several windows;
- Vertical , also mounted in the slope of the roof, but not at an angle, but vertically. Vertical mansard windows can be transformed even into a balcony;
- in the gable roofs can be installed cornice or facade skylights, which can be triangular, oval, semicircular, hexagonal, etc. Windows such often do not open, they skip a little light and are made more for the decoration of the pediment.
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Depending on the material from which they are made, the dormer windows can be:
- wooden , which are environmentally friendly, with their help in the attic room will create an optimal air exchange. In addition, such windows bring more comfort and comfort to the interior of the room. However, the cost of wooden roof windows is quite high, besides the tree has a high fire hazard;
- plastic , which are absolutely not afraid of moisture, durable and resistant to burnout. In this case, plastic under certain conditions can release various harmful substances into the air. In addition, plastic skylights are difficult to repair, if there is such a need;
- aluminum , most often used not in private construction, but in high public buildings: entertainment and shopping centers, train stations and airports, etc. In such buildings, aluminum skylights serve not only as a source of natural light, but also for the ventilation of the premises .
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Skylights are usually made opening. Depending on the method of opening, they can be:
- with the central axis of the wing, this option is most popular due to the convenience in use;
- with an elevated pivot, which is set about three-quarters of the height of the window;
- with the combined pivot axis , with the upper axis opening the window outward, and the central axis turning it for easy cleaning;
- the roof window, located very high, can be opened automatically with the help of the remote control .
The most common option for the design of dormer windows are classic blinds, roller blinds or pleated. For protection from sunlight, roller shutters are perfectly suited, with indoor models used in summer heat, and outdoor models for keeping heat in winter. Excellent protection from the sun and a grid of awnings made of fine material. In addition, they can also be used as a mosquito net. The design of the roof windows should be harmoniously combined with the interior of this room.