Half of the 654 homes in Delaware Township were built before 1979. The rules below decide how much of the old roof has to come off and what goes under the new one.
New Roofing Costs connects homeowners with independent local roofing contractors. We do not perform roofing work.
This number connects homeowners who are planning a new roof or a full roof replacement with independent local roofing contractors. It is not for leak repairs or patch jobs. The call must come from the homeowner who decides on the roof. Calls may be recorded.
Permit
Under 34 Pa. Code § 403.1(b)(8), alterations to a house that make no structural change are outside the state code. The township code office can say what Delaware Township requires.
Source: 34 Pa. Code § 403.1(b)
Layers
A new roof may go over one existing layer; with two or more, or over slate, clay or cement tile, everything comes off to the deck (IRC R908.3.1.1). 52% of Delaware Township’s homes were built before 1980, so count the layers before comparing quotes.
Ice barrier
Whether an eave membrane is a code item depends on the climate table the municipality filled in when it adopted the code (IRC R905.1.2, Table R301.2). The contractor or the township code office in Delaware Township will know.
Rules as read on October 24, 2026. The state’s code edition and the rest of its rules: roof replacement in Pennsylvania.
Owners live in 453 of Delaware Township’s occupied homes, or 83%. By year built, 24% before 1940, 30% before 1960, 52% before 1980; 20% went up in 2000 or later. (ACS 2020–2024.)
By building type: 88% detached houses, 8% manufactured homes.
Of the 8 Juniata County municipalities on this site, Delaware Township has the 5th largest share of homes built before 1980: 52%, against a county range of 35% to 65%.
ZIP codes: 17094
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| Delaware Township, Juniata County | 1979 | 52% | 83% | 3% | 6 |
| Walker Township, Juniata County | 1978 | 52% | 77% | 1% | 2 |
| Fayette | 1972 | 65% | 74% | 0% | 7 |
| Tuscarora Township, Perry County | 1978 | 53% | 94% | 2% | 3 |
| Monroe Township, Juniata County | 1967 | 63% | 73% | 3% | 5 |
| Juniata | 1983 | 41% | 96% | 3% | 5 |
Median built: median year the homes were built. Before 1980: share of homes built then. Owners: share of homes that are owner-occupied. Row, twin: share of homes that are rowhouses, twins or townhouses. Census ACS 2020–2024. Hail days: days with hail of 1 inch or larger within 10 miles, 2006–2025, NOAA Storm Prediction Center.
Within 10 miles of Delaware Township, hail of an inch or more was reported on 6 days between 2006 and 2025, the biggest stones 2 in on June 16, 2022.
That is fewer than most places in the state on this site (median 12 days).
Severe Winter Storm and Snowstorm (DR-4267, March 2016) is the latest of 3 federal storm declarations covering Juniata County since 2006. (OpenFEMA.)
A report says hail fell near Delaware Township, not that it damaged a roof. When wind or hail damage means a new roof.
Lifespans come from HUD’s capital-needs table, not from a brochure. More in the guides to shingles, metal, slate and flat roofs.
| Material | HUD useful life | Fits a house like | Watch for |
|---|---|---|---|
| Asphalt shingles | 20 years | Most pitched roofs; 88% of homes here are detached | Wind class set by the design wind speed (IRC Table R905.2.4.1) |
| Metal (standing seam, panels) | 50 years | Low pitches and long runs | Standing seam that carries its own loads can skip the tear-off (R908.3.1) |
| Slate | 75 years | Older houses; 24% here predate 1940 | Never a base for a new layer (R908.3.1.1); heavy |
| Flat roof: EPDM or TPO | 15 years | Porches, additions, low-slope rears | Coating is not a replacement |
Before signing for a roof in Delaware Township, get the contractor’s PA registration number: the home improvement law requires registration with the Attorney General above $5,000 a year of such work, and the number on contracts and estimates (HICPA § 3, § 6).
The price side is in what a new roof costs in Pennsylvania; the paperwork side in checking a roofing contractor.
Delaware Township’s ordinance decides. Under 34 Pa. Code § 403.1(b)(8), alterations to a house that make no structural change are outside the state code. The township code office can say what Delaware Township requires.
A new roof may go over one existing layer; with two or more, or over slate, clay or cement tile, everything comes off to the deck (IRC R908.3.1.1). 52% of Delaware Township’s homes were built before 1980, so count the layers before comparing quotes.
By the Census Bureau’s American Community Survey (2020–2024), the median home in Delaware Township was built in 1979, 52% of homes were built before 1980, 83% are owner-occupied.
Hail of 1 inch or larger was reported on 6 days within 10 miles of Delaware Township from 2006 through 2025 (NOAA Storm Prediction Center). A report means hail fell nearby, not that a roof was damaged.
Before signing for a roof in Delaware Township, get the contractor’s PA registration number: the home improvement law requires registration with the Attorney General above $5,000 a year of such work, and the number on contracts and estimates (HICPA § 3, § 6).
The full list: before you call.
Checked October 24, 2026. Laws and code editions change; the date says when these were last read at the source.