Recent Projects Showing the Range of Roofs We Handle
Roofing Contractor In Chester, PA
Protect Your Property Before Roof Damage Spreads
Roofing Built for Chester Homes, Rowhomes & Commercial Buildings
Chester’s roofs are not all alike. Pennsylvania’s oldest city packs attached rowhomes with flat and low-slope sections next to single-family houses, corner storefronts, and large commercial buildings, and each one fails in its own way. As a roofing contractor working in Chester and across Delaware County since 2008, William Penn Roofing repairs, replaces, and maintains all of them, from a leaking parapet wall on an Edgmont Avenue rowhome to a worn flat roof on a building near the waterfront.
Most property owners here want the same straight answer: does this roof need a repair, or is it time to replace it? We give you that answer after an honest inspection, not a sales pitch, so you spend on the work the roof actually needs and nothing it does not.
Testimonials & Reviews
What Local Property Owners Say About the Work
Property owners across Chester and the surrounding Delaware County towns have shared what it is like to work with our team.
Roofing for Older Buildings, Flat Sections & City Permit Planning
Much of Chester went up fast during the early-1900s shipbuilding boom, block after block of rowhomes and worker housing. A century later, those roofs, many of them flat or low-slope behind parapet walls, are the ones we see most. Flat roofs do not shed water like a pitched roof, so ponding, split seams, and clogged drains turn into leaks that travel along shared walls into the home next door.
Permitting runs through the City of Chester, not a township office, and re-roofing falls under the Pennsylvania Uniform Construction Code. We pull the permits and handle inspections so the job stays compliant, which matters most on attached buildings where the work affects the structure beside it. Step past the city line and the rules change: nearby Brookhaven and Aston permit through their own township offices, and we handle those too.
Residential Roofing Services That Target the Cause
A leak shows up as a ceiling stain, but the cause is almost always somewhere else: a failed flashing, an open seam, a worn pipe boot, a bad parapet detail. We trace the leak back to its source so the repair holds, and our residential roofing services cover everything from that first diagnosis to a full installation.
Roof Inspection & Leak Diagnosis
Our inspections cover shingles, flashing, parapet walls, pipe boots, drains, seams, and ventilation on both pitched and flat sections. You receive photo documentation and a clear scope of work.
Roof Repair
We repair leaks, damaged shingles, open seams, failed flashing, and the penetration points where flat and low-slope roofs tend to give out first.
Roof Replacement & New Roof Installation
When a roof is past repair, we install a full system with new underlayment, ice and water shield, proper flashing, and a membrane or shingle matched to the roof's slope.
Storm Damage Repair & Emergency Tarping
After wind or hail, our storm damage repair covers emergency tarping, dry-in, and permanent repairs, with photo documentation for your insurance claim. Storms move fast up the Delaware River, and flat roofs take the brunt of the wind.
Signs Your Roof Needs Repair or Replacement
A few warning signs tell you the roof needs attention before the next heavy rain:
- Active leaks or water stains on ceilings and walls
- Ponding water or blistering on a flat roof
- Open or lifting seams on a membrane roof
- Missing, curling, or cracked shingles
- Granule loss collecting in gutters
- Soft decking, sagging, or interior mold and damp
Estimate Roofing Costs Before You Schedule
Every roof prices differently. Size, slope, access, decking condition, the membrane or shingle you choose, and how much flashing or parapet work is involved all move the number. On an attached rowhome, tight access and shared walls factor in too.
Commercial & Flat Roofing for Chester Properties
Chester’s storefronts, mixed-use blocks, and former industrial spaces run mostly on flat and low-slope systems. Our commercial roofing team repairs, replaces, and maintains TPO, EPDM, modified bitumen, and coated roofs for property managers and business owners across Chester and out to the retail corridors of nearby Springfield.
Commercial Roof Repair
Leaks, ponding, open seams, and membrane damage get targeted repairs that buy the roof more service life before a full replacement is needed.
Commercial Roof Replacement
When repairs stop being cost-effective, we install a new flat roof system built for the building's drainage and foot traffic, with less long-term maintenance.
Commercial Roof Coating
A reflective coating can extend the life of a sound flat roof and cut heat gain. If your roof is a candidate, we will tell you, and if it is too far gone, we will say that too.
Our Roofing Process From Inspection to Completion
Every job follows the same six steps, so you always know what is happening next.
Roofing Materials for Homes, Businesses & Flat Roof Systems
The right material depends on slope, building type, budget, and how long you plan to own the property. We install pitched, specialty, and flat systems.
Asphalt Shingles
The most common, cost-effective choice for pitched residential roofs, with strong protection and a wide range of looks.
Metal Roofing
Long service life, wind resistance, and energy efficiency for homes and some low-slope applications.
Cedar Roofing
A natural, classic look for owners who want character, installed to hold up through humid Delaware Valley summers.
Copper Roofing
A premium accent or full roof that ages into a distinctive patina and lasts for decades.
Slate Roofing
Durable and historic, well suited to Chester’s older architecture, repaired or matched to preserve the original look.
TPO Flat Roofing
A reflective, energy-conscious membrane widely used on rowhome and commercial flat roofs.
EPDM Rubber Roofing
A flexible, weather-resistant rubber membrane suited to low-slope and flat sections.
Modified Bitumen Roofing
A layered, durable system built for flat commercial and industrial roofs.
Exterior Services That Improve Water Protection
Roofs do not work alone. When a project turns up a related water problem, we can handle the connected exterior work too.
Gutter Replacement
New gutters and downspouts to move water off the roof and away from the walls and foundation.
Siding Replacement
Siding replacement where moisture is getting in behind a failing exterior.
Skylight Installation
Skylight installation with proper flashing and sealing, so you add light without adding a leak.
Stucco Remediation
Stucco remediation that addresses cracking and trapped moisture before it damages the structure behind it.
Window & Door Installation
Window and door installation for aging units that let in drafts and water.
Manufacturer-Backed Products Installed to Perform
We install with materials from GAF, Owens Corning, CertainTeed, Velux, and James Hardie, following manufacturer specifications so the system performs as intended and the warranty stands behind it.
What Makes William Penn Roofing Different
Most of what we do in Chester is flat and low-slope work on rowhomes, older buildings, and commercial properties. We know how those roofs fail, and when one can be repaired instead of replaced, owner David tells you so. In a city where every dollar counts, that honest call is the difference between a patch that holds and a tear-off you did not need yet.
Here is what that looks like on the job:
The owner does your inspection. David goes up himself, so the person pricing the work has actually seen your roof, not a salesperson working on commission.
Fast response when water is spreading. On an attached rowhome, a leak reaches the unit beside you fast, so we answer the phone and aim to be on-site same-day, whether that means tarping a leak or clearing snow and ice before it backs up.
Built for flat and low-slope roofs. Membranes, parapet flashing, and internal drains are daily work for us here, not an occasional job, and that is what most Chester roofs actually need.
Straight Answers to Common Chester Roofing Questions
How long does a flat roof last on a Chester rowhome?
Most flat roofs in the area run 15 to 25 years, depending on the membrane and how well water drains. Standing water and clogged drains shorten that fast, which is why we check drainage first.
Can you match the roof on a historic Chester building?
Yes. Chester has some of the oldest buildings in the state, and we repair or match slate, copper, and other original materials so the roof keeps its historic look.
Are you licensed and insured to work in Chester?
Yes. We carry the licensing and insurance required for residential and commercial roofing in Chester and across Delaware County.
Do you work with landlords on rental properties in Chester?
Yes. We handle rowhome and multi-unit rentals for landlords and property managers, with quick turnarounds so a leak does not sit between tenants.
Will my homeowners insurance cover storm damage to my roof?
It often depends on the cause and your policy. For wind or hail damage, we document everything with photos to support your claim.
Get the Roof Checked Before Water Damage Gets Worse
A roof problem rarely gets cheaper by waiting. Catch it early and you are usually looking at a repair instead of a soaked ceiling, ruined insulation, and a much larger bill. Call us for an honest look at what is going on up there and a straight answer on what to do next. William Penn first came ashore right here in Chester, and keeping the city’s roofs sound is work we are glad to do.
Serving Chester & Nearby Delaware County Communities
Pennsylvania
New Jersey
- Bucks County
- Bensalem
- Doylestown
- Langhorne
- Morrisville
- New Hope
- Newtown
- Quakertown
- Warminster
- Warrington
- Washington Crossing
- Yardley
- Chester County
- West Chester
- Delaware County
- Aston
- Brookhaven
- Chester
- Drexel Hill
- Haverford
- Lansdowne
- Media
- Newtown Square
- Springfield
- Wayne
- Lehigh County
- Coopersburg
- Montgomery County
- Abington
- Ambler
- Blue Bell
- Conshohocken
- Dresher
- Fort Washington
- Horsham
- Huntingdon Valley
- Jenkintown
- Lansdale
- Meadowbrook
- Montgomeryville
- North Wales
- Spring House
- Upper Gwynedd
- Philadelphia County
- Chestnut Hill