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Why Roof Ventilation Is Important

By Dorothy Patterson


So as to ensure a permanent flow of dry and cool air through the roof of an individual, creating a system which prevents air from being trapped, thus comes in and goes out freely, is what the person needs to do. Intake and exhaust therefore, have to be working at their best. Roof ventilation is thus very vital in avoiding damages and aging brought about by the trapping of moisture in winter and a lot of heat in summer.

Roofing systems with attics suffer the most when there is no good exchange of air. Good balance of exhaust and intake is quite important for such types. Intake vents should be at lower points of the roof and exhaust vents at higher points in order to take advantage of natural convection. With all these functioning well, one can be assured of smooth and efficient air flow.

Blocking of interior of an intake air way by insulation should be avoided at all costs. The air ways also need to be designed in such a way that they do not allow for precipitation or entering of animals and insects in ventilation spaces. Examples of usually available types of intake vents are individual and continuous soffits and drip edge.

Examples of common exhaust vents include ridge, static, gable-end, turbine and powered ones, depending on the type of roof. There are set regulations on how and when to use these different types of exhaust air passages which should be adhered to, to avoid harm or suffering loss. For instance, use of powered ventilation in combination with a static one is not allowed as it can cause moisture infiltration.

Persons in U. S. A are required to know when and why they need to ventilate their roofs. The most common reason happens to be climate change. Ventilation done in cold weather times are done with intentions to create way for moisture leaving the house and stop ice dams from forming. Doing this in hot weather conditions shows need of letting go of hot air and preventing strain on air-conditioners.

During summers, unwanted heat gets transferred into the living rooms of homes with poorly ventilated roofs. The heat gets very uncomfortable and might even affect the levels of energy of people in such homes. It is also possible for the undesired heat buildup to cause cracking of woods as well as premature aging of other roofing materials.

Problems associated with lack of free flow in and out of the roof are also commonly evident in winter periods in U. S. A. The problems include ice dams formations and moisture buildups like we have observed. The accumulated moisture affects dry walls and causes paints to peel off. It also causes mildew and rotting with finally makes a house very unattractive.

If a person ventilates their roof using non-recommended ways, they may suffer more danger than even lacking vents. Learning of the recommended processes is therefore vital. Guidelines set by association of builders in the nation as well as the government are supposed to be followed. Holes punching your ceiling so as to ventilate is not wise as one is creating a chance for collection of ice dams or having humidity issues in winter and summer respectively.




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