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.

Take this number of square feet and divide it by 600. Determining the attic footprint. Divide by 12 and that is your measurement in feet. If you measured in another unit of measure do the following to convert to feet.

Your attic floor was probably built with dead loads in mind. Multiple these two measurements to arrive at a square footage number. Once you decide which install method is best for your home it s time to measure the. Measure the length and width of the attic space using a tape measure.

Typically the square footage of the home plus 400 ft for a 2 car garage and add any. If your house is well insulated and energy efficient you can estimate down. How to calculate the square feet of an attic step 1. If you measured in feet inches divide inches by 12 and add that to your feet measure to get total feet.

Create a rough sketch of your attic on a piece of paper. Step 3 multiply step 1 and step 2 together to get the area of the attic floor. Boxes trunks suitcases etc. Calculate the square footage of your attic.

Measure the length and width of each square and rectangular area of the attic floor and note the dimensions on. This will give you a visual representation of the. 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. Take the total amount of square feet in your home.

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. 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. Measure the width of your attic space in feet. Make sure to exclude the square footage of your attic basement garage unless you are using any of them as living spaces.

How to measure your attic choose an install method first. Using the aggregate area of these simple shapes can yield a more accurate roof area to be used with the roofing. 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. Dead loads are things that do not move.

If you measured in feet skip to calculate the area as square footage.