Average Attic Size
20 x 50 1 000 sq.
Average attic size. Assume for a moment that a house at 1800 sq. Make sure to measure in the center at the attic s highest point. Square footage relates to the floor area only and does not factor in the height of the attic space. For example if the height of your attic is 8 feet then 8 2 4.
Having the correct amount of attic insulation can help you maintain a comfortable temperature throughout your home and help save money on your energy bills plus prevent major issues like ice dams in the winter. For a single story house this is usually the same as the square footage of the house itself plus any attached garage area. The rough framed opening must be a minimum of 22 inches by 30 inches. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
Your average attic ceiling is adorned with many joints and studs right. Divide this number by two. Example 20 wide by 50 long attic. To determine the size of your attic multiply the width by the length of the attic floor in feet.
If you think you re among the 90 of us homes that are under insulated 1 performing a simple insulation inspection will help you determine your insulation needs. Habitable attic space must satisfy the same requirements that govern rooms in the rest of the house. The 2012 international residential code requires an attic access opening for attics with an area greater than 30 square feet and a vertical height in excess of 30 inches. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
To pass code there must be at least 70 square feet where the ceiling height is 5 feet or. Since heat travels through these spots much easier the r value of the insulation isn t as high in these areas. Measure the height of your attic in feet. One might then assume that.
The rough framed opening. As answer 2 states or suggests average is subjective and relative. According to the 2006 international residential code r807 1 attic access homes with combustible materials in the ceiling and roof construction must have an access to attic areas that exceeds 30 square feet and with a vertical height of 30 inches or greater.