![]() It is recognised by the wet mist that sometimes clouds the interior glass on your homes windows. It occurs when the air becomes saturated with moisture and releases it in the form of water. Having the roofer or installer add felt and insulation between the frame and roof opening should prevent this problem.Ĭondensation is the conversion of vapor to liquid. The resulting condensation will drip back into the room between the frame and roof opening, giving the appearance of a leak. This allows warm, moist air to escape from the room and come into contact with the underside of the flashing and/or cladding. In some cases, the installer neglects to use roofing felt and insulation between the frame of the unit and the rough opening. Installing roofing underlay between the roof window frame and roofing material will help prevent condensation on the cladding.Ĭondensation can form on more than just glass. Eliminating excess moisture by using a dehumidifier and providing adequate ventilation and air circulation will go a long way in preventing condensation. After a few years, new homes tend to dry out and have less moisture problems. Condensation is more prevalent in new homes. ![]() The problem, however, usually isn't the roof window. Condensation is usually more noticeable on roof windows and flat roof windows because warm, moist air rises to the ceiling.
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