Expert Council

Ventilation and temperature on the roof window can prevent condensation fogged, moist window panes are a nuisance to tenants and owners: because in addition to the gloomy Outlook, wooden window frames suffer from the wetness. Consequential damages such as mold growth are also cannot be ruled out. However, there are measures to get to grips with this problem whether already in the planning, so before installing Windows, or by proper ventilation during use. The cause for the drop on the window is usually in the air contained water that accumulates on the cooler window pane. The terms that describe this phenomenon are varied: from condensation of sweat up to condensation inside. Temperature and humidity of the air in the area of the roof window are decisive for the development.

The air is warmer, more water can absorb them. The temperature drops, it may be that the air again releases the moisture as condensation. In an apartment, this physical joins Legality often first on the Windows on. The reason for this is that condensed the moisture first at the coldest points. Windows that have no insulation values of today’s high standards are often in older homes. The reasons arise two starting points to prevent condensation: reduce the humidity inside the House and raising the temperature in the area of the window.

You should consider the latter best already in the planning of a penthouse apartment. The skylight manufacturer VELUX recommends owners to place a heater under the window and to ensure optimal conditions for the air circulation especially at the bottom of the window. The best hot airflow from the radiator through the window pane is achieved by a vertical inner lining and broken window sill (see also graphics hot air duct). This prevents excessive cooling of the window pane and reduces the risk of condensation. During the cold months, the radiator should be weak, but be continuously, so that constantly warm air holds the window panes on temperature and they fogged up less. Also the replacement of old discs against new with good thermal insulation value, that allow less heat from the room, can further reduce condensation. Tenants or owners the easiest way with sufficient airing meet high air humidity in the room. For a regular exchange of warm, moist indoor air for fresh, dry outside air prevents that water comes out of the air. This is becoming increasingly important in the face of increasingly isolated and insulated homes. While earlier the necessary air exchange often virtually automatically by leaking joints or cracks of the building, residents today itself must take care. Already three till four times on the day the window open and hold each for five minutes on passage, recommend experts as appropriate. Controllable VELUX roof window help. Tenants and owners can set individual processes with a remote control, the take into account the Expert Council. The Windows open and close even if the residents are not at home or just forget about the airing. It is enough once to enter the process to provide for sufficient air exchange every day. For more information, posts, articles and inspierirende ideas on the subject of roof Windows see: exposure/residential skylight /.

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