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.

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. Roofing attic ventilation. Vents come in various styles. If you see dampness or frost you need better roof ventilation and some attic vents.

Enter square footage calculate or enter the square footage of the attic or area to be vented. 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. They re most effective when used in conjunction with a continuous ridge vent. Air flows in through the soffit vents and out through the roof vents.

Soffit vents may leave air trapped at the top of your attic. Air vent 2 3 in. Master flow 4 in. Rectangular white weather resistant aluminum soffit vent sold in a carton of 50 only.

22 in x 3 in galvanized steel eave vent item 2180321 model ev223 1 8. A 50 x 30 attic would have a total area of 1 500 sq. 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. For the best results place roof ventilation near the roof s peak and soffit vents in the eaves.

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. Resin circular mini wall louver soffit vent in white 4 pack model rlsc4 view the master flow intake vents 12 54 12 54. Master flow 15 amerimax home products 1 deflect o 1 gibraltar building products 1. Soffit vents come in several sizes and styles including small round discs and rectangular grilles.

More ways to filter. Grab a flashlight and inspect your attic during the winter. Ft divided by 150 equals 10 sq. Calculate the total vent area needed.

Length x width of attic in feet 150 total sq. 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.