Attic Vent Soffit

22 in x 3 in galvanized steel eave vent item 2180321 model ev223 1 8.

Attic vent soffit.

Rectangular white weather resistant aluminum soffit vent sold in a carton of 50 only. Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator. Master flow 4 in. Ft divided by 150 equals 10 sq.

If you don t know how your roof vents work or if you re unsure about your attic ventilation in general you should talk to a roof inspector about. A 50 x 30 attic would have a total area of 1 500 sq. A soffit vent is simply a vent installed into the underside of your home s eaves called the soffit that permits fresh outside air to be drawn up into the attic. Master flow 15 amerimax home products 1 deflect o 1 gibraltar building products 1.

Grab a flashlight and inspect your attic during the winter. Almost all homes are fitted with some kind of roof vents at the peak of the roofline be it individual roof vents hip roof ventilation and many homes have gable vents as well. Soffit vents come in several sizes and styles including small round discs and rectangular grilles. Of total vent space needed.

Most effective ventilation uses a ridge and soffit continuous ventilation system but even these designs can vary from roof to roof. Soffit vents may leave air trapped at the top of your attic. If you see dampness or frost you need better roof ventilation and some attic vents. Multiply the length of the attic times the width in feet to find the attic area then divide by 150 to find the total square feet of vent space needed.

Air vent 2 3 in. Roofing attic ventilation. Enter square footage calculate or enter the square footage of the attic or area to be vented. Air flows in through the soffit vents and out through the roof vents.

For the best results place roof ventilation near the roof s peak and soffit vents in the eaves. An attic s intake vents are most commonly installed directly in the soffit either as individual vents spaced every few feet or as one continuous perforated soffit running the entire length of. More ways to filter. They re most effective when used in conjunction with a continuous ridge vent.

Length x width of attic in feet 150 total sq. Vents come in various styles.