Construction Law For Beginners In Mecklenburg
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FAQ
In North Carolina, there are three zones that define insulation performance — the central piedmont area and lower southeastern area (Region 3), the central east to west area (Region 4), and several mountain counties in the upper northwest of the state (Region 5).
How much insulation do I need? In Mecklenburg County the insulation requirements are: R-19 in a floor above a crawl space or garage, R-15 in the exterior wall cavity or R-13 in the exterior wall cavity plus an R-2.5 continuous insulation and R-38 in the attic.
Do I need a permit for a shed or “temporary” structure? Yes, a Zoning Use Permit is required for structures 12 feet or less in any dimension. This permit assures that the structure is located far enough from property lines and other buildings/structures.
1209.2 Attic Spaces An opening not less than 20 inches by 30 inches (559 mm by 762 mm) shall be provided to any attic area having a clear height of over 30 inches (762 mm). Clear headroom of not less than 30 inches (762 mm) shall be provided in the attic space at or above the access opening.
The frost line in Mecklenburg County is approximately 12 inches (significantly less digging). Soil depths below the frost line are relatively constant in temperature. Positioning mains below the frost line provides thermal insulation to the water line that helps prevent water from freezing within.
Insulation (IECC Sections R303.1.4 and R402.2) The insulation for basement walls must be from the top of the wall down 10 feet below grade or to the basement floor, whichever is less. Basement wall insulation is not required in warm-humid locations as defined in IECC Figure R301. 1 and Table R301.
Frost line Depth: 12”
The coldest states, including Alaska, Minnesota, and North Dakota, have the deepest frost lines amongst all states. For instance, Alaska leads with an impressive 100-inch frost line depth, followed by Minnesota at 80 inches and North Dakota at 75 inches.
You may wonder how deep the frost line is. It can vary wildly. In the coldest climates in the USA, the frost depth can be deeper than eight feet. In warmer parts of the country, the frost depth may be less than one foot.
How Do I Find My Local Frost Depth? Contact your city or county Building Department. They should be able to tell you very easily. Perform an online search. We recommend the following search terms (in order of likelihood of helpful result): - city name municipal code, then search for the term “frost”
