Sq Ft Attic

This calculator is to be used as an estimating tool only.

Sq ft attic.

For example if the base is 12 feet and the height is 10 feet the square footage is 6 x 10 60 feet. Based on your 1100 sq. See typical tasks and time to insulate an attic along with per unit costs and material requirements. Multi family attic insulation.

Some cities offer loans with low interest rates if you achieve a 20 25 efficiency improvement in the home to include attic insulation of at least r 38. 1250 cfm weathered wood galvanized steel electric powered attic fan with thermostat controlled. Exhaust nfva near ridge of the roof. And this guideline you ll need a minimum of.

Click the button to calculate the amount of insulation in square feet and man hours wall and ceiling fiberglass insulation needed for this job. You always need 1 square foot of attic getting out 750 cfm of airflow. The federal housing administration recommends 1 square foot of attic ventilation for every 150 square feet of attic space. 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.

Thirdly is to measure the size of the attic air vents. See professionally prepared estimates for attic insulation work. Step 5 add together the square footage values of the square rectangular and triangular floor areas to find the total square footage of your attic. If you need 9 000 cfm of air in your house then divide 9 000 by 750 to get 12 square feet of attic venting.

It can quickly remove a larger volume of hot and or. 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 means you need one attic vent every 3 6 by 3 6 feet. 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.

Get fair costs for your specific project requirements. Input length and width of area to be insulated. For attic spaces up to 2300 sq. More product details close.