Permit
Ask Red Hill first
The state code does not cover a reroof that changes no structure (34 Pa. Code § 403.1(b)(8)). So the borough code office in Red Hill is the one to ask before work starts.
Source: 34 Pa. Code § 403.1(b)
Roof Replacement in Red Hill, PA
The median home in Red Hill was built in 1983; there are 1,159 of them. What the code requires when that roof is replaced, and who signs off, is below.
New Roofing Costs connects homeowners with independent local roofing contractors. We do not perform roofing work.
Call (833) 781-1806 Replacement and new roofs only · homeowners
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.
The rules for a reroof in Red Hill
Layers
Two layers means a tear-off
IRC R908.3.1.1 forbids roofing over two existing layers, over slate or tile, or over a water-soaked roof. With 46% of Red Hill’s homes were built before 1980, ask what is under the newest layer.
Ice barrier
Set by the local climate table
The code requires an ice barrier where the local climate table (Table R301.2) says so, and each Pennsylvania municipality fills that table in. Ask the borough code office or the contractor what Red Hill’s says.
Checked against the code text on October 24, 2026. Everything else the state requires: roof replacement in Pennsylvania.
Homes and roofs in Red Hill
Owners live in 796 of Red Hill’s occupied homes, or 73%. Counting by decade, 15% before 1940, 22% before 1960, 46% before 1980 of the housing was in place, and 28% dates from 2000 on. (ACS 2020–2024.)
The housing is 38% detached houses, 29% attached single-family houses (rowhouses, twins and townhouses), 10% manufactured homes.
Of the 61 Montgomery County municipalities on this site, Red Hill has the 43rd largest share of homes built before 1980: 46%, against a county range of 17% to 98%.
ZIP codes: 18076
Red Hill and the towns around it
| Place | Median built | Before 1980 | Owners | Row, twin | Hail days |
|---|---|---|---|---|---|
| Red Hill | 1983 | 46% | 73% | 29% | 13 |
| Pennsburg | 1964 | 62% | 74% | 51% | 13 |
| Upper Hanover | 1989 | 36% | 96% | 18% | 14 |
| Marlborough | 1975 | 61% | 85% | 6% | 11 |
| East Greenville | 1958 | 76% | 60% | 48% | 14 |
| Upper Frederick | 1982 | 45% | 72% | 22% | 18 |
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.
Hail and storms near Red Hill
Since 2006 the National Weather Service has logged hail of 1 inch or larger on 13 separate days within 10 miles of Red Hill; the largest was 2 in on May 29, 2019. The most recent was July 25, 2023.
At the county level, Red Hill shares Montgomery County’s record of 6 storm disaster declarations since 2006, the newest DR-4618 (Remnants of Hurricane Ida, September 2021). (OpenFEMA.)
Storm reports are what observers logged, not a measure of damage to any roof. When wind or hail damage means a new roof.
What goes on the roof next
HUD’s useful-life figures are for planning; a warranty is a separate promise. For Red Hill’s houses: 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; 38% 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 | A complete standing-seam system may go over the old roof (R908.3.1) |
| Slate | 75 years | Older houses; 15% here predate 1940 | Never a base for a new layer (R908.3.1.1); heavy |
| Flat roof: EPDM or TPO | 15 years | Low-slope roofs and rear sections (29% of homes here are attached) | Coating is not a replacement |
Checking a contractor in Pennsylvania
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 Red Hill, and search it.
Contracts, deposits and the right to cancel: checking a roofing contractor. What moves the price: new roof cost in Pennsylvania.
Questions about a new roof in Red Hill
Does a roof replacement in Red Hill need a permit?
Ask Red Hill first. The state code does not cover a reroof that changes no structure (34 Pa. Code § 403.1(b)(8)). So the borough code office in Red Hill is the one to ask before work starts.
Is a roof-over allowed in Red Hill, or is it a tear-off?
IRC R908.3.1.1 forbids roofing over two existing layers, over slate or tile, or over a water-soaked roof. With 46% of Red Hill’s homes were built before 1980, ask what is under the newest layer.
When were most homes in Red Hill built?
By the Census Bureau’s American Community Survey (2020–2024), the median home in Red Hill was built in 1983, 46% of homes were built before 1980, 73% are owner-occupied.
Does Red Hill get hail that damages roofs?
Hail of 1 inch or larger was reported on 13 days within 10 miles of Red Hill from 2006 through 2025 (NOAA Storm Prediction Center). A report means hail fell nearby, not that a roof was damaged.
What license or registration should a roofer in Red Hill have?
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 Red Hill, and search it.
What they will ask on the phone
- Where the house is: the Red Hill address or ZIP
- One story or two (or more), detached or attached
- The roof you have today, shingle, metal, slate, tile or flat, and its rough age
- Whether there is one layer or more, if you know
- That the job is a full replacement or a new roof, and your timing
- Whether the house is in a historic district or an HOA
- That you own the home and decide on the roof
The full list: before you call.