Admin Table of Contents
How deep is the frost line in upstate NY?
36 to 48 inches
Whereas the average depth of frost for our region is between 15 and 20 inches, the established depth frost line varies from 36 to 48 inches.
How deep is the frost line for concrete?
Most building codes in cold-climates require foundation footings be placed below the frost line, which can be about 4-feet deep in the northern United States.
How deep is the frost line on Long Island NY?
The frost line is 20″ , but local building code will require 36″ minimum below unberrmed grade, on undisturbed soil.
How big should the hole be for a 4×4 post?
12 inches
The diameter of your post hole should be three times the diameter of your post. So, if you’re planning on using a four-inch round or 4×4-inch square post, your post hole will need to be 12 inches in diameter. For a six-foot-high fence post, we would need a hole that’s 36 inches deep and 12 inches in diameter.
How deep is the frost line in NY?
The frost level in NYC and other important factors. In the coldest of New York City winters the frost level will only reach 3′ deep. Typically the frost level does not approach that depth – But note that different soil types containing different moisture levels freeze to different depths.
How deep is the frost line?
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.
Where is the frost line?
In astronomy or planetary science, the frost line, also known as the snow line or ice line, is the particular distance in the solar nebula from the central protostar where it is cold enough for volatile compounds such as water, ammonia, methane, carbon dioxide, carbon monoxide to condense into solid ice grains.
How far below frost line is footer?
In areas with freezing winters, a concrete footing usually must extend at least 12 inches below the frost line (the depth at which soil freezes). A footing should also be at minimum 8 inches thick and twice as wide as the wall or posts it will support.