How to choose a dormer window

Types of roof windows

The difference of this window from the usual in that it is installed vertically in a separate box on the roof or at an angle to the horizontal surface, which can be from 30 to 70 degrees. This installation allows you to save heat and increase the amount of light entering the room by 50% compared to a conventional window mounted on the wall. In addition, if required, more windows can be installed on the roof than on the side walls.Internal glass roof windows made of a special material, which, in case of damage, crumbles into small rectangular pieces, eliminating the danger of a cut.
Dormer-windows come in two types - vertical and oblique. The first are installed on the roof slopes in protruding boxes, the second are mounted into it. The sloping version is more popular because such windows let in more light. Angled to a horizontal surface,the dormer window is less exposed to weathering, in addition, it can be protected with strong shutters to prevent damage to the glass. Proper installation and installation will be a guarantee against leakage and condensation in the room where the window is installed.Double-glazed windows of skylights are sealed and filled with insulating gas, which ensures their high thermal insulation qualities.

What to look for when choosing a skylight

The choice of dormer windows and the specification of their number must be done at the design stage, since their size directly depends on the pitch of the truss structure. The more sloping the roof, the wider the window can be installed in it. The permissible length and width of the windows is also chosen depending on the area of ​​the room, but it should not exceed half of the section of the roof bounded by the truss structure.
The number of windows and the total area of ​​the glazing also depend on the area of ​​the room. It is recommended to install 1 sq. M of glazing per every 10 sq. M. Area, for children's rooms - every 8 sq. M. The design of the roof window should provide a good opportunity for air exchange and ventilation, which will prevent condensation and the formation of mold or mildew.
Choosing a double-glazed window, give preference to those windows, in which the thickness of the external glass is greater - they are stronger and withstand increased loads. You can always choose a roof window in the architectural style in which your home is designed, manufacturers offer a variety of style and color solutions.
In addition, you can choose plastic or wooden frames for roof windows. It can be said that in this embodiment, good and cheaper PVC windows would be preferable, since their operating conditions imply increased humidity and significant temperature drops, which are detrimental to natural wood.

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