Calculating Ventilation Square Footage Of Awning Window

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.

Calculating ventilation square footage of awning window. As wind encounters a structure it has to flow up or around the object. Awning windows are hinged at the top and swing out from the bottom gliding open and shut with the turn of a handle. These offer decorative appeal and are excellent at bringing natural light into the home. 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.

Awnings and awning type windows serve to catch this upward flowing air and direct it into the open window. Marygrove offers four sizes. A close relative of the awning window casement windows have a side hinge that allows them to open outward using a crank. A three foot by four foot window would provide 12 square feet of natural light to the room again the required minimum.

So for our 2 story 3 bedroom 2000 square foot example house with 2 full bathrooms and one kitchen the average door blower result was 1500 cfm50 the infiltration credit is. For every 10 feet of floor area you need one foot of natural light area. 10 12 16 and 20 foot awnings. Measuring you only need to look at two things when considering how to measure for an awning.

Measuring the square footage of windows can be useful in custom window installations or when determining the amount of add on materials like solar blocking films that are necessary to coat the windows. 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. The calculation for the n value is actually pretty complex but this table is a good approximation. Survey the area where you d like to install the awning.

An elegant ode to victorian times modern bay windows have a large central window and two angled side windows. Determine total cost given a rate per square foot or explore hundreds of other calculators covering topics such as math finance fitness health and more. Enter square footage calculate or enter the square footage of the attic or area to be vented. You will need a space that is both tall and wide to accommodate your new addition.

Add architectural interest with awning windows in our three material options wood fiberglass or vinyl. This free calculator estimates the square footage of a property and can account for various common lot shapes. 2 figuring ventilation is much easier. Awnings are primarily air scoops.

So for a 2 story house the n value should be 18 4.