Plastic windows have many advantages thanks to which the increasing number of consumers gives preference to this type of window designs. However in the winter their owners often should face that glasses of windows strongly mist over and begin "to cry". Why plastic windows "cry"?
The physical phenomenon known as "dew point temperature" is the cornerstone of formation of condensate. At this temperature the water vapors which are airborne pass into saturated state. That is room air cannot absorb moisture any more. As a result, condensate accumulates on surfaces which temperature is lower than dew point. As a rule, the coldest surface are plain glasses. Therefore moisture is besieged on them. Why the indoor air becomes too damp? On it there is a number of the reasons. Moisture is emitted when cooking, when drying linen, when using of shower and toilet. The houseplants located on windowsill are also source of the increased humidity. Besides and the person allocates at breath about 50 grams of water an hour. Why such problem did not arise with old wooden windows? Old windows were not hermetic - through slots in frames the inflow of fresh air to the room was carried out. Plastic windows are absolutely pressurized construction having several sealing contours. Therefore, after installation of double-glazed windows, the problem of correctly working ventilation rises very sharply. It is necessary to know that if your plastic windows have begun "to cry", then it testifies to adverse microclimate in your apartment. The increased air humidity can lead to emergence of different types of mold, fungi and bacteria. What, in turn, can cause deterioration in health and even different developing of diseases. How to get rid of condensate? As a rule, regular airings help to get rid of moisture. It is necessary to know that it is necessary to air the apartment 3-4 times a day 20-25 min. Pay attention to heating radiators - they should not be blocked by protective shields or dense curtains since it will break convection of hot air and will promote formation of condensate. At observance of these simple rules, windows will cease "to cry" and will begin to please you with the attractive exterior.