Back To Map Georgia Extreme Frost Line Penetration (in inches) State Average Frost Depth: 5″ Source: U.S. Department of Commerce
The frost line in Georgia ranges from 12" in the Southern part of Georgia to 30" in the Northern part of Georgia. Metro Atlanta frost line is 24". Macon is 18".
Your local frost line depth is a good example of this. In Atlanta, our frost line is 12", meaning that nothing deeper than 12" below the surface of the ground should ever freeze. I've heard that the frost line in Pennsylvania is 42"...that's almost four times deeper than what I'm used to in Peachtree City, GA.
When you excavate your footings you will need to dig below the frost line. This is the depth at which the moisture present in the soil is expected to freeze. Once your footings are buried below the frost line the ground will act as a barrier to insulate the soil below the footing from freezing in the winter.
The frost line in Georgia ranges from 12" in the Southern part of Georgia to 30" in the Northern part of Georgia. Metro Atlanta frost line is 24". Macon is 18". Dalton is 28".
The frost line depth varies by geographical location, but frost lines in the contiguous United States range from 6 inches to 6 feet. Local government building officials can provide the frost line depth in a specific location.
The frost line is simply the deepest point in the ground to which ground water will freeze. It’s also referred to as the frost depth.. When water changes from liquid to solid, it expands 9% in volume.. This resulted frost heave can be detrimental to footings and foundations.
The frost line—also known as frost depth or freezing depth—is most commonly the depth to which the groundwater in soil is expected to freeze. The frost depth depends on the climatic conditions of an area, the heat transfer properties of the soil and adjacent materials, and on
In Ga our code is 6 inches below frost line which is 12 inches deep but I know it is much deeper up north. You could refer to the plumbing code in your area or post what state you live in and a plumber will give you the exact code. Post Reply. Re: water supply pipe freeze depth;
Plantmaps has derived zones indicating the Interactive map of average annual Last frost dates for the state of Georgia. Last Frost Date Maps for Neighboring States and Provinces. Related Georgia Maps: List of Average Last Frost Dates for Cities in Georgia . Location Average Last Frost Date; Abbeville: Apr. 1 - Apr. 10: