What Are the Advantages of Roof Ridge Vents?

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Roof ridge vents help to effectively prolong and protect a homeowner's roof from common culprits within the home, including moisture and heat. Found on most new homes, roof ridge vents offer a very simple and effective technology that many homeowners are relatively uninformed about.

Outside Air

  • Homes without roof ridge vents have the issue of an escape route for outside air flowing into the attic. The problem with traditional roofing is that once the outside air goes into the attic, it has no way to escape. Roof ridge vents allow the outside air that enters to escape out the top of the roof, preventing damage--such as premature aging and cracking--to the attic and roof.

Moisture

  • Moisture can be released from many activities that are performed within homes, including running a washer, using a dishwasher or taking a shower. Moisture is one of the leading causes of damage to rafters, shingles, walls and insulation within homes. Roof ridge vents help to release moisture from homes, which is especially useful during the winter when moisture has a greater impact.

Ventilation

  • With the help of wind, a ventilation system is created in the attic with a roof ridge vent. As wind passes over the roof ridge vent, it draws air out of the attic. Fresh air is then drawn into the underside of the vent, creating a circulation system of fresh air.

Look

  • Most homeowners prefer the look of roof ridge vents--which are sleek and blend in well with the other shingles--to other forms of ventilation systems, which often consist of large fans, turbines and vents.

Other Systems

  • Another benefit of roof ridge ventilation systems is that they are effective without being used in combination with other systems. Other types of ventilation systems, such as fans and powered ventilators, can even have an adverse effect when used with roof ridge vents because of airflow issues.

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