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Why Attic Ventilation Matters All Year-Round

Why Attic Ventilation Matters All Year-Round
Roofing

In a past blog, we discussed the importance of attic ventilation for your home. Proper ventilation serves two main purposes: in the summer it allows hot air that has collected at the roof deck to escape out of the attic, and in the winter it thins and removes moist air before it can lead to damage. Here are the reasons ventilation matters in every season.


In the summer, good ventilation keeps the attic cooler, which means a cooler home overall. Moisture trapped in an overheated attic can cause damage to roof decking and shingles, leading to warping and premature deterioration.  Proper ventilation maintains a constant temperature in the attic which prevents the formation of ice dams and icicles in the winter.

Some Types of Attic Ventilation

There are several choices in roofing ventilation, and each has its pros and cons.

  • Static vent: This vent type has no moving parts. It creates an opening for hot air and moisture to escape, but only allows ventilation in the immediate area where it is installed.
  • Gable vent: These vents are installed at either end of the attic, near the peak of the roof. Gable vents are somewhat ineffective because air must blow directly into a vent to get air moving.
  • Turbine vent: Turbine vents are powered by the wind and tend to be noisy. Similar to static vents, they lack effectiveness when the wind is not blowing.
  • Power fan: Power vents use electricity to pull air out of the attic, but add an ongoing expense to a homeowner’s utility bill. Fans controlled by a thermostat may only operate in the summer, which does not alleviate the moist air that collects in the attic during cold months. Power fans must also be repaired when the motor stops working.
  • Ridge Vents: The Most Ventilation for the Money

A ridge vent is ideal for most homes because it is positioned along the entire peak of the roof. In addition to allowing for excellent exhaust of heat and moisture year-round, ridge vents blend in nicely with the roof line. Research has proven that ridge vents with external baffles, used in conjunction with undereave venting, are the most effective and efficient attic ventilation system you can install.

The Roofing Company would be happy to provide a no-obligation evaluation of your current attic ventilation system to determine if it is performing optimally. Since 1998, we have been the most trusted roofing contractors in Newport News, VA. Call us today at (757) 903-0050 or contact us.

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