Categories: Roofing

Why Does Your Roof Need Proper Attic Ventilation?

Ventilation refers to the system of intake and exhaust that generates airflow. Good air circulation is necessary for all types of roofing systems and materials. With sufficient ventilation, your attic stays cool in summer and warm in winter. As a result, you can enjoy savings on your energy costs, avoid ice dams and keep the structure of your roof in good shape. 

Continue reading to find out why roofs need proper attic ventilation.

 

Avoid Early Roof Deterioration

With insufficient ventilation, the sun&#x2019s heat will travel to your attic and the rest of your home. When your attic gets too hot, damage can occur to the roof decking and shingles. These parts of your roof can warp and deteriorate faster. A common sign you need to improve your attic ventilation is increased energy bills. Your HVAC system will need to work harder because of the heat from your attic, resulting in higher cooling costs. 

Prevent Moisture-Related Roofing Problems

You will save on roof repair costs if your attic has proper ventilation. The lack of ventilation can increase moisture levels in your attic, resulting in issues like rot and mold growth. Excessive moisture can cause the roof deck to rot, affecting its ability to handle loads and hold nails. Moisture can also dampen the insulation, making it less effective. Damp insulation may contribute to mold, mildew and poor indoor air quality. 

Avoid Ice Dams in Winter

Poor ventilation can cause uneven roof temperatures, leading to ice-dam formation. In winter, warm air from your living space naturally rises to your attic and beneath the roof deck. The bottom layer of snow buildup will then start melting, causing water to drip down the roof. When the snowmelt arrives at the colder, outer edges of the roof, it will refreeze. The repeated freeze-thaw cycle will eventually lead to the formation of ice dams. With nowhere to go, water can seep underneath shingles, causing damage. 

At Chase Roofing LLC, we&#x2019re here to help ensure your attic has proper ventilation to prolong the life of your roof. We also offer gutter repair and installation services. Call us at (757) 872-0700 (Yorktown) or (757) 206-1948 (Williamsburg). You may also fill out our contact form to get a free estimate. We serve clients in Newport News, VA, and nearby communities. 

Jose Lomeli

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