Around phila. area it is three feet, not sure if it is different north of that!
Construction code is 36 inches for foundations.
48 inches
In western Pennsylvania the frost line falls at 36", when installing underground waterlines 42" is perfered.
frost line in pa is 42 inches
18 in
The frost line is most commonly the depth to which the groundwater in soil is expected to freeze. Maps of this can be found on Wikipedia, and different frost lines for different areas can be found on that regions department of labor website.
The part of the rotating disk within the frost line was formed of rocks and metals. The part beyond the frost line had both the materials within the frost line as well as some gasses such as hydrogen an helium.
42 inches minimum.
In western Pennsylvania the frost line falls at 36", when installing underground waterlines 42" is perfered.
frost line in Gwinnett
no Frost
The frost line i Michigan measures about 42 inches.
Frost line in SLC is 30"in
The frost line in the state of West Virginia is about 30 inches. This is the depth that frost can penetrate the soil.
What is the frost line depth in louisville Kentucky
what do you mean by frost line frost will penetrate up to three feet in the dead of winter if that is what you are asking.
24" will cover all of TN
Well, there more then one frost line in Illinois: 1) 10" to 20" for Southern Illinois 2) 15" to 30" for Central Illinois (frost line for Peoria) 3) 20" to 35" for Northern Illinois
The frost depth level below area's usually not less than 800 mm .