Multiple these two measurements to arrive at a square footage number.
Approximate square footage of an attic.
Calculate the square footage of your attic.
Step 1 create a rough sketch of your attic on a piece of paper.
With a tape measure and some simple mathematical formulas you can easily calculate your attic s square footage.
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.
Calculate square feet meters yards and acres for flooring carpet or tiling projects.
So for a 500 square foot area your estimate will vary between 145 to 200 if you do it yourself.
However an attic usually doesn t have straight walls.
For a basic project in zip code 47474 with 500 square feet the cost to insulate an attic starts at 1 68 3 25 per square foot.
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.
Measure the length and width of the attic space using a tape measure.
Will usually cost about 1 600 2 700.
An average size attic of 1 200 square ft.
Now that you have the footprint or square footage of the attic space multiply the total roof square footage by the applicable pitch factor to complete your estimate for the amount of foil you will need to cover the roof slopes.
To estimate costs for your project.
How to calculate square footage for rectangular round and bordered areas.
The average cost per square foot is between 0 64 1 19.
The roof pitch or roof slope is usually shown as a ratio to 12 i e 1 12 4 12 12 12 etc.
If you want to heat or cool your attic space calculating its cubic footage is necessary to determine adequate ventilation.
To install attic insulation and material cost for cellulose fiberglass with a r value of.
This will give you a visual representation of the dimensions of your attic for reference.
Calculate project cost based on price per square foot square yard or square meter.
If the space includes irregular shapes such as triangles mark these off so.
For a professional job add between 150 to 300 for labor and you re looking at around 300 to 500 for 6 hours of work.
On average you can expect to pay between 1 25 to 2 00 per square ft.
Enter measurements in us or metric units.
The formula for figuring out the cubic footage of a rectangular solid like the interior of a room is length times width times height.
R 30 to r 60 insulation will cost between 0 15 to 0 65 cents per square foot.
Calculate square footage square meters square yardage and acres for home or construction project.
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