Total Square Feet Of Attic Space
Multiple these two measurements to arrive at a square footage number.
Total square feet of attic space. When does an attic count as finished square footage. Simply grab your measuring tape and multiply the room s width by length to get the space s total square footage. 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. First off there s the matter of ceiling height.
For example an attic that measures 40 feet by 60 feet. Whether you plan on improving the ventilation in your attic or adding energy saving insulation you will need to accurately determine its actual size. Most local building codes require compliance with either the 1 150 method or the 1 300 method exception refer to local code. You must know which code compliance method is required in the project area.
Be included in the square footage. Would it be possible to get square footage credit for the area that is 7ft. The ansi method specifies measuring from the exterior of the house but the wall width is not usually subtracted to account for actual living space. While you re not measuring the three dimensional area of a room length x width x height to get your overall square footage in order for a room to be included in the total square footage of a house the ceiling must be a certain height so that crawl space doesn t count.
Below are a couple of factors that will impact your attic conversion costs. Square footage relates to the floor area only and does not factor in the height of the attic space. Total square footage of your attic. For example if your living room is 20 feet wide by 15 feet wide then you d calculate 20x15 to get 300 total square feet.
Determine the total square footage of the attic floor space to be ventilated. Could the 180 sq. The home has access to the finished attic space from the master bathroom not from a hallway or stairway. And only 180 sq.
The roof pitch or roof slope is usually shown as a ratio to 12 i e 1 12 4 12 12 12 etc. For example that attic space is 400 sq. 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. 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.
Of it is 7ft. Stairways and closet areas are included in the square footage length. Measure the length and width of the attic space using a tape measure.