How Do I Know My Attic Square Footage

For example if your length is 40 feet and your width is 20 feet then 40 20 800 square feet.

How do i know my attic square footage.

Determining the attic footprint. Take this number of square feet and divide it by 600. How to calculate the square feet of an attic step 1. Extra areas to consider.

The calculator cannot account for complex shapes based on a measurement of square footage alone. Your attic floor was probably built with dead loads in mind. Boxes trunks suitcases etc. Divide by 12 and that is your measurement in feet.

Multiple these two measurements to arrive at a square footage number. Create a rough sketch of your attic on a piece of paper. Once you decide which install method is best for your home it s time to measure the. How to measure your attic choose an install method first.

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. The area calculator can be used to calculate the area of a variety of simple shapes that together can comprise the area of the roof. Live loads are people and animals and tangentially the things used by people. If you measured in feet inches divide inches by 12 and add that to your feet measure to get total feet.

If you measured in another unit of measure do the following to convert to feet. This will give you a visual representation of the. You simply add up the nfas of all your vents and divide that number by the area of the attic to determine whether you re within the 1 150 ratio. If your house is well insulated and energy efficient you can estimate down.

Typically the square footage of the home plus 400 ft for a 2 car garage and add any. Measure the width of your attic space in feet. Take the total amount of square feet in your home. Calculate the square footage of your attic.

Using the aggregate area of these simple shapes can yield a more accurate roof area to be used with the roofing. If you measured in feet skip to calculate the area as square footage. Measure the length and width of the attic space using a tape measure. 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.

Dead loads are things that do not move.