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It can cause damage and warping of the wood when heated air builds up in your attic or the upper crawlspace of your home. The trapped heat can quickly reach temperatures of over 150 degrees on particularly hot days. You’ve got the recipe for costly damage by combining the hot air with moisture and condensation that can form. You can experience degradation ad warping of the plywood roof deck after only a few years if you are not properly ventilating your attic or crawlspace. Because of the condensation the wood may be susceptible to dry rot, and due to the hot and humid conditions the adhesive glue used on the plywood will deteriorate over time. You must use good roof ventilation systems. The metal in the attic will produce condensation and start to sweat. This moisture will eventually cause the metal to rust. That means your ductwork; exposed nail heads and plumbing can form oxidation and fall apart. Where rusted metal in the attic can break apart and cause pieces of the roof, the ductwork or the pipes inside the attic to collapse this is more prevalent in humid climates. Your attic and roof deck are susceptible to frost in colder climates or during the winter season. By making sure your roof and attic have ventilation these problems and expensive repair bills can be avoided. Including ridge vents, turbine vents, gable vents, static vents and cupola vents there are many different types of household roof and attic ventilation systems. In your attic or crawlspace differently each variety of ventilation system circulates air. Depending on the design of your roof, the climate you live in, and the size of your attic some systems are more effective than others. You must have intake and exhaust vents to ensure your attic is being ventilated properly. Intake vents allow air to enter in from the bottom and are located on the eaves of the roof. Exhaust vents serve as an escape for the air to leave the attic and are located on the top, or the ridge, of the roof. Coupled with the intake vents on the downside the exhaust vents on the roof create a natural airflow that circulates air from the bottom up and hot air rises. Thereby minimizing the risk of expensive damage to your home's upper structure this circulation allows moisture to escape and prevents hot air build up. You get the most out of your home's roof which is ensured by installing a ventilation system in your home's attic will ensure. As most ventilation systems can barely be noticed you won't have to worry about the aesthetic value of the vents. To keep your roof in like-new condition and prevent damage make sure you have a proper air circulation system installed. If there is mould growth then you can have service of mould removal Brisbane. Roof and Attic Ventilation Myths Improperly vented attics can cause premature aging of your roof material and high energy bills in the summer. In the winter it can lead to mildew and even mold problems and cause moisture to accumulate in your attic. You will most likely get ten different answers if you ask ten different roofing contractors about roof ventilation. And chances are which ventilation seminars they have attended not one of those contractors can tell you. Around hearsay their opinions are loosely formed. Myths • To the existing ventilation system you can add ridge vent. No. • The exhaust is doubled by installing low profile vents on both sides of a roof peak. No. • The best thing out there are power vents. No. • More ventilation is better. Not necessarily.
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