Measure the length and width of the attic space using a tape measure.
Approximate square footage of an attic.
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.
Step 1 create a rough sketch of your attic on a piece of paper.
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.
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.
The formula for figuring out the cubic footage of a rectangular solid like the interior of a room is length times width times height.
Will usually cost about 1 600 2 700.
Calculate square footage square meters square yardage and acres for home or construction project.
To estimate costs for your project.
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.
The roof pitch or roof slope is usually shown as a ratio to 12 i e 1 12 4 12 12 12 etc.
This will give you a visual representation of the dimensions of your attic for reference.
To install attic insulation and material cost for cellulose fiberglass with a r value of.
If the space includes irregular shapes such as triangles mark these off so.
With a tape measure and some simple mathematical formulas you can easily calculate your attic s square footage.
The average cost per square foot is between 0 64 1 19.
Actual costs will depend on job size conditions and options.
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.
Enter measurements in us or metric units.
On average you can expect to pay between 1 25 to 2 00 per square ft.
This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof.
An average size attic of 1 200 square ft.
However an attic usually doesn t have straight walls.
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If you want to heat or cool your attic space calculating its cubic footage is necessary to determine adequate ventilation.
Multiple these two measurements to arrive at a square footage number.
R 30 to r 60 insulation will cost between 0 15 to 0 65 cents per square foot.
How to calculate square footage for rectangular round and bordered areas.
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.