Dead loads are things that do not move.
How do i know my attic square footage.
Create a rough sketch of your attic on a piece of paper.
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 you measured in feet skip to calculate the area as square footage.
Measure the width of your attic space in feet.
Typically the square footage of the home plus 400 ft for a 2 car garage and add any.
Make sure to exclude the square footage of your attic basement garage unless you are using any of them as living spaces.
Calculate the square footage of your attic.
How to calculate the square feet of an attic step 1.
Multiple these two measurements to arrive at a square footage number.
If you measured in feet inches divide inches by 12 and add that to your feet measure to get total feet.
Divide by 12 and that is your measurement in feet.
Once you decide which install method is best for your home it s time to measure the.
Extra areas to consider.
Determining the attic footprint.
If you measured in another unit of measure do the following to convert to feet.
Boxes trunks suitcases etc.
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.
If your house is well insulated and energy efficient you can estimate down.
Take the total amount of square feet in your home.
This will give you a visual representation of the.
For example if your length is 40 feet and your width is 20 feet then 40 20 800 square feet.
Take this number of square feet and divide it by 600.
Your attic floor was probably built with dead loads in mind.
Using the aggregate area of these simple shapes can yield a more accurate roof area to be used with the roofing.
Step 3 multiply step 1 and step 2 together to get the area of the attic floor.
Measure the length and width of each square and rectangular area of the attic floor and note the dimensions on.
The calculator cannot account for complex shapes based on a measurement of square footage alone.
Live loads are people and animals and tangentially the things used by people.
How to measure your attic choose an install method first.