Attic Vent Soffit
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.
Attic vent soffit. Vents come in various styles. Of total vent space needed. 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. They re most effective when used in conjunction with a continuous ridge vent.
Calculate the total vent area needed. Ft divided by 150 equals 10 sq. Soffit vents may leave air trapped at the top of your attic. Air flows in through the soffit vents and out through the roof vents.
A 50 x 30 attic would have a total area of 1 500 sq. These vents allow outside air to enter the attic at the lowest point of the roof along the underside of the eave. Master flow 15 amerimax home products 1 deflect o 1 gibraltar building products 1. Master flow 4 in.
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. Grab a flashlight and inspect your attic during the winter. 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. Air vent 2 3 in.
Roofing attic ventilation. 22 in x 3 in galvanized steel eave vent item 2180321 model ev223 1 8. Most effective ventilation uses a ridge and soffit continuous ventilation system but even these designs can vary from roof to roof. Enter square footage calculate or enter the square footage of the attic or area to be vented.
Soffit vents come in several sizes and styles including small round discs and rectangular grilles. Length x width of attic in feet 150 total sq. More ways to filter. 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.
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. Rectangular white weather resistant aluminum soffit vent sold in a carton of 50 only.