Calculate Square Feet Attic

If you have on oddly shaped area such as an l shape split it into square or rectanglualar sections and treat them as two separate areas.

Calculate square feet attic.

1 cubic foot is 12 x 12 144 cubic inches. The homewyse attic insulation calculator. Calculate the total vent area needed. Next multiply the 4 square feet into cubic inches.

Stairways and closet areas are included in the square footage length. The cost to insulate an attic starts at 1 68 3 25 per square foot but can vary significantly with site conditions and options. This will give you a visual representation of the. Covered enclosed porches can only be included if they are heated using the same system as the rest of the house.

Of total vent space needed. 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. For example if your length is 40 feet and your width is 20 feet then 40 20 800 square feet.

Multiply the length of the attic times the width in feet to find the attic area then divide by 150 to find the total square feet of vent space needed. Ft divided by 150 equals 10 sq. Create a rough sketch of your attic on a piece of paper. How to calculate the square feet of an attic step 1.

Length x width of attic in feet 150 total sq. This free calculator estimates the square footage of a property and can account for various common lot shapes. In order to find the right calculator divide the attic floor space by 300 sq feet. Measure the width of your attic space in feet.

Calculate or enter the square footage of the attic or area to be vented. See professionally prepared estimates for attic insulation work. If your roof is 1200 sq ft soffit floor space you will need 4 sq feet of roof ventilation. The way to calculate a rectangular area is by measuring the length and width of your area then multiplying those two numbers together to get the area in feet squared ft 2.

Finished attic square footage is included if an area has at least seven minimum feet of clearance. See typical tasks and time to insulate an attic along with per unit costs and material requirements. Get fair costs for your specific project requirements. 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.