Install vinyl soffit vents

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We use cookies and other tracking technologies to improve your browsing experience on our site, show personalized content and targeted ads, analyze site traffic, and understand where our audiences come from. To learn more or opt-out, read our Cookie Policy. If your home is fitted solely with small gable-end vents or a ventilator high in the roof, you might want to consider adding soffit vents to increase airflow. These vents allow outside air to enter the attic at the lowest point of the roof—along the underside of the eave. Soffit vents come in several sizes and styles, including small round discs and rectangular grilles. We opted for aluminum strip vents that measure 3 in.

Soffit is comparable to vertical siding, and its installation entails more than the actual panels. Aluminum and vinyl are the predominant materials, and they are available in solid, fully perforated or lanced, or combination soffits. Measure and calculate the total square footage needed for the areas requiring soffit. Panels come in foot lengths that are either 12 or 16 inches wide.

If you want to add ventilation to your attic, you may be unsure whether to purchase a continuous soffit vent or choose one which has part ventilation and part paneling. There are a number of reasons why you should choose one over the other, depending upon how much ventilation you need, and the size of your roof. There are some advantages to the continuous soffit vent. It is the best type of device to use when your roof has narrow eaves, and the soffit joist itself is less than 16 inches across.