Crawl Space Attic Height

In addition the appliance needs to be located so that there is a clear passageway from the crawl hole to the.
Crawl space attic height. Translated this code requirement means that you need 1 square foot of screened vent space penetrating the perimeter foundation for every 150 square feet of space in the crawl space. In attics with appliances the access hole is still a minimum of 22 by 30 inches. Provide a minimum of 6 8 of headroom the entire walking length of the stairs. For example if your foundation size is 30 feet by 30 feet 900 square feet you will need vents that have combined square footage of 6 square feet.
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. To convert your attic to living space you cannot provide access via a ladder. A lot of my friends hang out there too. The rough framed opening.