Input length width and desired r value of the area to be insulated.
Calculate square feet attic.
Finished attic square footage is included if an area has at least seven minimum feet of clearance.
Enter square footage calculate or enter the square footage of the attic or area to be vented.
Enter measurements in us or metric units.
Square feet needed area.
Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator.
Roll insulation calculator.
This calculator is to be used as an estimating tool only.
If you want to heat or cool your attic space calculating its cubic footage is necessary to determine adequate ventilation.
Covered enclosed porches can only be included if they are heated using the same system as the rest of the house.
Input length and width of area to be insulated.
Calculate square footage square meters square yardage and acres for home or construction project.
Stairways and closet areas are included in the square footage length.
The formula for figuring out the cubic footage of a rectangular solid like the interior of a room is length times width times height.
Calculate project cost based on price per square foot square yard or square meter.
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.
This calculator is to be used as an estimating tool only.
Click the button to calculate the amount of insulation in square feet and man hours wall and ceiling fiberglass insulation needed for this job.
Calculate the area of triangular spaces by measuring the base and the vertical height of each triangle.
Calculate the square footage of your attic.
Multiple these two measurements to arrive at a square footage number.
Our attic insulation calculator uses the values of width and length of the area which needs to be insulated as input to calculate total square feet need to be insulated.
Click the button to calculate the depth in inches and pounds of total insulation required for this job.
How to calculate square footage for rectangular round and bordered areas.
Find the square footage by dividing the base dimension in half then multiplying the result by the height.
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.