North Coventry has 3,532 homes, and half of them were standing by 1970. 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
Pennsylvania’s code leaves residential alterations without structural change to local ordinance (34 Pa. Code § 403.1(b)(8)). The township code office can say what North Coventry requires.
Source: 34 Pa. Code § 403.1(b)
Layers
On a roof that already carries two layers, or slate or tile, the code allows no recover: it is a tear-off (IRC R908.3.1.1). 67% of North Coventry’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). North Coventry’s answer is with the township code office.
Rules as read on October 24, 2026. The state’s code edition and the rest of its rules: roof replacement in Pennsylvania.
75% of the occupied homes in North Coventry are lived in by their owners: 2,587 households, the people this line is for. By year built, 24% before 1940, 38% before 1960, 67% before 1980; 13% went up in 2000 or later. (ACS 2020–2024.)
By building type: 72% detached houses, 8% attached single-family houses (rowhouses, twins and townhouses), 7% buildings of two to four units.
Of the 71 Chester County municipalities on this site, North Coventry has the 8th largest share of homes built before 1980: 67%, against a county range of 12% to 80%.
ZIP codes: 19465
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| North Coventry | 1970 | 67% | 75% | 8% | 17 |
| West Pottsgrove | 1956 | 83% | 65% | 23% | 16 |
| Pottstown | 1951 | 87% | 55% | 32% | 14 |
| South Coventry | 1996 | 37% | 91% | 2% | 16 |
| East Coventry | 1988 | 45% | 87% | 18% | 16 |
| Douglass Township, Berks County | 1960 | 62% | 83% | 4% | 15 |
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.
Since 2006 the National Weather Service has logged hail of 1 inch or larger on 17 separate days within 10 miles of North Coventry; the largest was 1.75 in on May 28, 2019. The most recent was July 8, 2025.
That is more hail days than 79% of the places in the state on this site.
Federal major-disaster declarations for storms in Chester County since 2006: 5, most recently DR-4618, Remnants of Hurricane Ida, declared September 2021. (OpenFEMA.)
A report says hail fell near North Coventry, not that it damaged a roof. When wind or hail damage means a new roof.
Useful life is HUD’s planning figure, not a warranty. 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; 72% 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 | Simple roofs with long, unbroken slopes | Standing seam that carries its own loads can skip the tear-off (R908.3.1) |
| Slate | 75 years | Older houses; 24% here predate 1940 | Can’t be roofed over; check the framing for the weight |
| Flat roof: EPDM or TPO | 15 years | Porches, additions, low-slope rears | Seams at walls and drainage |
A contractor who does $5,000 or more of home improvement work a year must be registered with the Pennsylvania Attorney General, and the number has to be on every contract and estimate (HICPA § 3, § 6). Ask for it before anyone starts on a roof in North Coventry, and search it.
The price side is in what a new roof costs in Pennsylvania; the paperwork side in checking a roofing contractor.
Ask North Coventry first. Pennsylvania’s code leaves residential alterations without structural change to local ordinance (34 Pa. Code § 403.1(b)(8)). The township code office can say what North Coventry requires.
On a roof that already carries two layers, or slate or tile, the code allows no recover: it is a tear-off (IRC R908.3.1.1). 67% of North Coventry’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 North Coventry was built in 1970, 67% of homes were built before 1980, 75% are owner-occupied.
Hail of 1 inch or larger was reported on 17 days within 10 miles of North Coventry from 2006 through 2025 (NOAA Storm Prediction Center). A report means hail fell nearby, not that a roof was damaged.
A contractor who does $5,000 or more of home improvement work a year must be registered with the Pennsylvania Attorney General, and the number has to be on every contract and estimate (HICPA § 3, § 6). Ask for it before anyone starts on a roof in North Coventry, and search it.
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.