Open seams
Where two sheets of rubber meet, the seam can let go over time. Water finds it quickly.
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Home / Flat and EPDM roofs
Flat & EPDM rubber roofs · Harrisburg area
Flat roofs and EPDM rubber.
Repaired right, or replaced right.
Row homes, porches, additions and low-slope sections are everywhere around Harrisburg. We repair failing seams, flashings and patches — and when a flat roof is done, we replace it with new insulation board and an EPDM rubber membrane.
What goes wrong on flat roofs
Flat roofs fail in predictable places.
Water sits longer on a flat roof than on a pitched one, so small openings turn into leaks fast. These are the problems we see most.
Ponding water
Low spots from a sagging deck or wet insulation hold water. Puddles that sit for days wear the roof out early.
Flashing at walls, vents and chimneys
Most flat roof leaks start where the roof meets something else. We check every edge and penetration.
Patches on top of patches
Years of coating and patching can hide wet, rotted decking underneath. Sometimes it’s time to start fresh.
Repair or replace? We show you which.
If the membrane is sound and the problem is local, we repair it. If the deck is soft, the insulation is wet, or the roof has been patched over and over, replacement is usually the better money. Either way, you see the photos first.
A flat roof replacement with RoofHaven typically includes:
- Removing the old roofing down to the deck
- Replacing rotted decking, with photos and your OK first
- New insulation board fastened across the deck
- A new EPDM rubber membrane, flashed at every wall, vent and edge
- Cleanup and a final walkthrough
Most flat rubber roof replacements on row homes run $7,500 to $13,000, with a 10-year workmanship warranty in writing. Most flat roof repairs run $400 to $1,500 and come with a 1-year warranty.
We do a lot of this work on row homes in Harrisburg and Steelton, and for landlords and property managers who need the job documented with photos.
Questions worth answering up front
Flat roof questions we hear most.
How much does a flat roof cost?
Most flat rubber (EPDM) roof replacements on row homes run $7,500 to $13,000. Most flat roof repairs run $400 to $1,500. Your price is a flat total in writing after we've seen your roof in person.
How long does an EPDM rubber roof last?
A well-installed EPDM roof commonly lasts 20 years or more. Flashing details and drainage matter as much as the rubber itself.
Can you repair my flat roof instead of replacing it?
Often, yes. Open seams, failed vent flashings and small damaged areas can be repaired. If the decking is soft or the insulation is soaked, a repair won’t last, and we’ll show you why.
Can you replace just one section, like an upper roof or a porch?
Usually, yes, as long as the new roof ties in properly to what stays. We look at how the sections meet before we recommend it.
Why does water pond on my flat roof?
Low spots come from sagging decking, wet insulation or poor drainage. Small puddles that dry within a day or two are common; water that sits longer should be looked at.
Do you work for landlords and property managers?
Yes. We work with property management companies around Harrisburg and document every job with photos.
What areas do you serve?
Harrisburg, Steelton, Camp Hill, Mechanicsburg, Lemoyne, Wormleysburg, Hershey, Middletown, Elizabethtown, Mount Joy, Lancaster and Carlisle, PA.
Other roofing services
A straight answer · Work done right · Support after the job
Your home is your haven.
Feel safe with who's working on it.
Call or text and tell us what’s going on. If a small repair is all your roof needs, that’s all we’ll recommend. And all we’ll charge.