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
3 feet 6 inches
no Frost
The frost line in Chicago typically ranges from about 32 to 36 inches below the surface. This depth can vary depending on specific local conditions, such as soil type and moisture content. It is important for construction and landscaping projects to consider the frost line to prevent damage from freeze-thaw cycles.
I saw a good chart of average frost penetration for Illinois. 10" to 20" for southern Illinois 15" to 30" for central Illinois (frost line for Peoria) 20" to 35" for northern Illinois
The frost line, or freeze line, in Mascoutah, Illinois, typically ranges from 30 to 36 inches below the ground surface. This depth can vary slightly depending on local soil conditions and weather patterns. It is important for construction and landscaping projects to consider the frost line to prevent frost heave and ensure proper foundation support.
no Frost
one metre
42 inches
42"
3ft
What is the frost line depth in louisville Kentucky