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Guide to Roof Ventilation and its Importance Even though most home owners know what roof ventilation is, they don’t know its importance. If you want to prolong the life of your roof, then good ventilation is critical. If you know what happens when there is no decent air movement in the roof, then you will know the importance of roof ventilation. Somehow most homeowners are unaware of the problems that will be cause by having an inadequately ventilated roof. These problems can be very expensive and if not addressed immediately can also cause health problems. There are many problems and stem from heat and moisture level build up and many more. Below are the reasons why roof ventilation is very important. The life of your roofing system can be shortened if the roofing materials and underlayment deteriorates because of heat and moisture below.
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When the decking becomes soft when moisture builds up along the underside of the roof, it can sag or fall.
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The moist or warm conditions in the roof can be a place for mold and mildew to grow. Moisture build up will make metals surfaces like nails, truss plates, and hangers to rust and deteriorate. When the attic is too hot, cold air in the vents can warm up. This will keep the A/C running all the time. Cold climate can let frost settle on the underside of the roof which comes from moisture in the attic. When the moisture starts to condense during the summer, it causes the ceiling to have water stains. Some signs can be seen that tell homeowners that they need to get a roofer in order to handle ventilation problems. Air conditioning may struggle to cool the house when air conditioning vents heat up due to heat buildup in the attic. The lifespan of asphalt shingles is around 10 to 20 years. If you start seeing curling shingles, it is a sign that the heat below is deteriorating the shingles prematurely. When you have a solid roof with water stains, there is something wrong. Ceilings are stained because built up moisture in the attic can condense and drip to the ceiling. Mold and mildew in the attic means that there is a problem with the ventilation. You need to do something if you think you have inadequate roof ventilation. If you fail to address this problem, then expect to have a shortened roof life. They can also potentially lead to mold and mildew and make your summer electric bills increase greatly. A professional roofer can help to correct ventilation problems in our roofs. An understanding of how the roof works even though it may seem easy to get air circulating through the attic is necessary. If you don’t want to cause major damage on your roof then you should give the problem solving of your ventilation problem to professionals.