Attic Insulation in Snow Hill, NC

Blown-in attic insulation for Snow Hill, NC, in Greene County, plus removal and air sealing.

About Snow Hill and Its Homes

Snow Hill, the Greene County seat, was laid out in 1811 on a sandy ridge above Contentnea Creek and incorporated in 1828. Its historic district runs from frame houses of the 1850s to brick ranches of the early 1950s, and each era left a different attic.

Snow Hill, in Greene County, fell from 1,600 people in 2020 to 1,588 in 2025 (Census Bureau estimates), on 1.54 square miles. No town in Greene County has more people than Snow Hill.

Snow Hill has about 910 housing units, 11 percent of Greene County's; about 46 percent of the town's households own their home.

Brick commercial buildings along a downtown street in Snow Hill
Downtown Snow Hill, North Carolina Photo: Indy beetle, CC0, via Wikimedia Commons

Snow Hill at a Glance

  • County: Greene County
  • Population: 1,588 (2025), 1,600 (2020), down 0.8%
  • Land area: 1.54 square miles (1,031 people each)
  • Housing units: about 910 (±144)
  • Owner-occupied: 46% (±11); Greene County: 67%
  • Detached houses: 67% (±6); Greene County: 57%
  • Apartments: 29% (±10)
  • Mobile homes: under 9%
  • Climate zone: 3 on both maps
  • ENERGY STAR target for Snow Hill attics: R-49 from bare, R-38 over 3 to 4 inches (R-value guide)

Census Bureau estimates for Snow Hill, 2020 to 2024 (± margin of error).

Snow Hill Homes and Their Attics

Greek Revival and Victorian Houses on Greene Street

The district's oldest houses line Greene Street southwest of the business core. The 2000 district nomination describes four frame Greek Revival houses from about 1850 to 1880, with center halls and chimneys built on the outer end walls. A chimney on an end wall stands outside the house, so it does not pass through the attic floor. Many of the later Victorian houses in the inventory have interior brick chimneys instead, and those do rise through the ceiling. Around each, we bend aluminum flashing over the opening and run heat-rated caulk along its edges, then set up a metal dam so the blown fill stops short of the brick.

Bungalows From the Kinston Railway Years

A thirteen-mile railway to Kinston opened in 1908 and set off a building boom, though rail service ended in 1931. The nomination counts dozens of Craftsman houses from the 1910s to the 1930s, most of them simple cottages and bungalows, some with wide shed dormers and some built as rental houses. Where a bungalow has finished rooms under its roof, short side walls close off narrow attic spaces behind them. ENERGY STAR lists the area behind and under those knee walls among the leakiest in a house, so we seal and insulate those pockets and not just the attic above the ceiling.

Postwar Houses on West Harper Street

In 2009 the district was enlarged to take in West Harper Street, where twenty houses went up from about 1929 into the 1950s, and its dates were stretched to 1955. Besides a bungalow and several period cottages, the street holds Minimal Traditional and brick ranch houses. A ranch sits under a shallow roof, so the attic has almost no headroom over its outer walls. Those edges are where the insulation layer can run thin. It has to be filled out without burying the soffit vents, so baffles go in first to hold an air channel open.

Attic Insulation in Snow Hill

About 40 percent of Snow Hill's homes predate 1970; if your joists show above the insulation, ENERGY STAR says to add more insulation.

Built from 1940 to 1969, about 30 percent of Snow Hill homes often have little insulation.

The Local Climate

Snow Hill's center sits about 90 feet above sea level, under a mile from NOAA's Snow Hill Wastewater Plant station, the best match for Snow Hill. The station's 1991 to 2020 normals average about 3,010 heating and 1,840 cooling degree days a year, so at Snow Hill's station, heating needs outweigh cooling.

Readings change over short distances around Snow Hill: NOAA's Kinston Ag Research station, 12 miles away, averages about 2,500 heating degree days.

Homes by Age: What It Means for the Attic

Some 67 percent of Snow Hill housing units are detached single-family houses.

Built from 1970 to 1989, about 30 percent of Snow Hill homes may hold settled fiberglass; check its depth against the joists.

About 55 percent of Snow Hill's housing units predate 1980; nearly all predate the state's 1978 insulation rule too. About 29 percent of Snow Hill units sit in buildings of two or more homes, where the attic is often shared.

Homes by Year Built

  • Before 1940: 10% (±3), about 90 units
  • 1940s: 5% (±4), about 45 units
  • 1950s: 12% (±5), about 110 units
  • 1960s: 15% (±7), about 135 units
  • 1970s: 13% (±3), about 120 units
  • 1980s: 17% (±8), about 155 units
  • 1990s: 6% (±4), about 60 units
  • 2000s: 6% (±4), about 55 units
  • 2010s: 15% (±7), about 135 units
  • 2020 or later: under 1%

Air Sealing and Duct Sealing in Snow Hill

In Snow Hill, 56 percent of homes heat with electricity; where that heat is forced air, ducts often run through the attic.

Air sealing comes first, as the EPA advises: wire and pipe holes, wall tops and soffits.

How Homes Here Are Heated

  • Electricity: 56% (±6), about 470 households; Greene County: 74%
  • Piped gas: 24% (±8), about 200 households
  • Bottled or tank gas: 10% (±5), about 85 households
  • Oil or kerosene: 4% (±4), about 35 households

Power, Gas and Rebates

Duke Energy Progress serves most of Snow Hill, Pitt & Greene EMC its edges; your bill says which. For gas, Snow Hill is in the Greene County franchise of Piedmont Natural Gas, and about 24 percent of the town's homes heat with piped gas. Duke's free House Call fits many Snow Hill homes: 56 percent heat with electricity. Bottled or tank gas, bought by the delivery, heats 10 percent of homes in Snow Hill.

Rebate to check in Snow Hill: Smart $aver Insulate and Seal (Duke Energy; Insulation Pros is an approved trade ally). Before a job in Snow Hill, check its current terms; the Greene County page lists every program.

Attic Insulation Removal in Snow Hill

In a Snow Hill attic, only wet, moldy or animal-soiled insulation is vacuumed out (ENERGY STAR's test), once the cause is fixed, and after mice that Snow Hill attic is sanitized and deodorized; dry, clean insulation stays.

Also Serving Near Snow Hill

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Snow Hill Insulation FAQs

Does the Snow Hill Historic District listing affect attic work on my house?

Not because of the National Register. The district was listed in 2000 and enlarged in 2009. A Register listing by itself places no restriction on how an owner spends private money on the house, the state preservation office explains. The town names a Historic Preservation Commission among its volunteer boards, so ask the town whether a local designation covers your house. Even where one does, state law confines a commission to the outside of a building. For attic work, only new roof or soffit vents would need its review.

Who looks at the old wiring in a Snow Hill house before insulation goes in?

An electrician, and before any insulation is added. The town got power early: by around 1920 it was known as the smallest town in the country with paved streets, electric lights and a water works, the district nomination records. A house first wired in those years may still have its original knob-and-tube runs strung across the joists. ENERGY STAR warns that this pre-1930 wiring can be a fire hazard in contact with insulation, so it is corrected first.

Could the old insulation in a Snow Hill attic be vermiculite?

It could: about 25 percent of Snow Hill's homes predate 1960. If a Snow Hill attic holds a pebble-like gray-brown or silver-gold fill, leave it undisturbed: the EPA says vermiculite may contain asbestos.

Does attic insulation in Snow Hill need a permit?

Snow Hill Town Hall can say whether Greene County Building Inspections, the town itself or another office handles permits in Snow Hill; ask before work starts.

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