Square Footage Of Vent For Roof House 1600 Sq Ft

Based on your 1100 sq.

Square footage of vent for roof house 1600 sq ft.

Thus if your attic is 450 square feet you need roof vents equaling 3 square feet. Measure your house at ground level then add in the roof s overhang for greater accuracy. They should be divided equally between inlet and outlet vents and they can be used in any combination that will work with your roof s design. Ventsure 4 foot strip heat moisture ridge vent.

Based upon just about everyone s recommendations 60 percent or 3 square feet of this should be in the soffit area and the remaining 40 percent 2 square feet should be located at the ridge of the roof. If you have 3 000 square feet of attic space this equates to 20 square feet of ventilation needed. We know we need 5 square feet total of ventilation area. When calculating roofing costs per square asphalt shingles run from 350 and 500 per square metal or tin roofs costs 600 to 1 200 per square and concrete or clay costs between 1 200 and 1 800 per.

Fan calculation as a general rule your roof needs 1 square foot of vent area for every 150 square feet of attic space. And this guideline you ll need a minimum of. This ratio is required for modern insulated homes. Roofing cost per square foot.

Tips for assessing your needs. Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge. Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space. Square footage ft 2 square yards yd 2 square meters m 2 acres acre we also have price or cost input which completely optional but allows you to calculate the cost of materials such as plywood aluminium paint and labor cost most contractors use price per square foot when calculating their labor cost.

Get the square footage of roof and divide it by 100 and it will give the number of squares you need and for every decimal number over 3 buy a bundle to achieve the amount of material. 1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. Choose one of the following products to meet the recommended exhaust nfva of 528 square inches. Always have a balanced ventilation system.

Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space. As an example if your overhang is 12 inches you ll add 2 feet to the overall length and 2 feet to the overall width of the house. Divide the square footage by 150 to calculate the area of ventilation needed since you need 1 square foot of vent space for each 150 square feet of attic space.