A roof replacement in Dormont, PA works best when your roofer plans around three local facts: tight lots, homes that are often close to a hundred years old, and a borough permit that’s required before work starts. Get those right and most jobs finish in a single day. We’ve been doing roof replacement in Pittsburgh since 2003, and this guide covers what we’d tell any Dormont homeowner before the first shingle comes off.
Dormont is one of the South Hills towns we serve, and you can see what we do there on our Dormont service area page. If you’re not sure yet whether you need a full replacement or a repair, our residential roofing page explains everything we handle on a house, from leaks to full tear offs.
Short answer: pull a Dormont building permit, plan where the dumpster and debris go on a tight lot, expect the crew to check old plank decking, and get a written estimate from a registered contractor. Most replacements on a typical home take one day.
Planning a roof replacement in Dormont, PA
Dormont is a small, densely built borough right on the Pittsburgh city line, next to Beechview, Brookline and Mt. Lebanon. Much of its housing went up in the first half of the 1900s, so you see a lot of steep gable roofs, dormers, front porches with their own small roofs, and back additions with a low slope.
That mix matters. A roof replacement here is rarely just one big rectangle of shingles. It’s often a steep main roof, a porch roof, maybe a flat section in back, and a chimney that needs new flashing. Each part needs the right material and the right detail where it meets the next one.
Signs it’s time to replace instead of repair
- Shingles that are curling, cracking or missing in more than one area
- Bare spots where the granules have washed off and collected in the gutters
- Leaks that come back after repairs, or stains on upstairs ceilings
- A roof deck that feels soft or spongy when someone walks it
- Daylight in the attic around the chimney or along the ridge
- Two layers of shingles already on the house
If you just bought one of these older houses, our guide to checking an older South Hills home before renovating the exterior walks through the roof, gutters and siding together.
What makes Dormont roofs different
Tight lots and narrow streets

On a lot of Dormont streets the houses sit close together, and some homes have no driveway at all. That changes how a tear off gets set up. Old shingles have to land somewhere, so we cover the ground, shrubs and walkways with tarps before anything comes off the roof.
Neighbors notice. Geneva C. put it this way in her Google review: “I appreciated that his team was considerate of my neighbors yard and put tarp on it.” On a tight lot, protecting the house next door is part of the job, not an extra.
Tear off on a Pittsburgh home with blue tarps laid on the ground below, Alan Construction.
The dumpster is the other piece. According to the Borough of Dormont permit FAQs, a dumpster or POD placed on any Dormont street needs its own permit, while one placed in your driveway does not. Ask your roofer who handles that and where the dumpster will sit.
Older homes and old plank decking
Many older homes around Pittsburgh were built with plank decking: rows of wood boards under the shingles instead of plywood sheets. Plank decking can last a very long time, but after decades of leaks and nail holes, some boards go soft or split.
You can’t see that from the street. It only shows up once the old shingles are off. When we find a bad section, we cut it out and set in new plywood so the new shingles are fastened into solid wood. A good estimate tells you up front how decking repairs will be handled if the crew finds them.
New plywood patch set into old plank decking next to underlayment on a Pittsburgh roof, Alan Construction.

Porch roofs and low slope additions
Front porches and back additions often have a pitch too low for shingles. Those sections usually need a rubber (EPDM) flat roof or a low slope material, tied cleanly into the shingles on the main roof. Greg J. wrote about his job: “Alan talked through what they would do and how he would fix the slope of our back porch. They finished the job in one day.”
Do you need a permit to replace a roof in Dormont?
Yes. The borough’s permit FAQ states that a Building/Zoning Permit is required for new or replacing existing roofs, and it lists a separate Roof Permit Application on its building permits page. A roof permit generally doesn’t need a property survey, which is one less thing to chase down.
Other boroughs and townships around Pittsburgh set their own rules, so don’t assume what applied at a friend’s house in another town applies in Dormont. Before you sign, ask the contractor whether they pull the permit, and make sure it’s in hand before the tear off starts.
How a roof replacement goes, step by step
Most homeowners are surprised by how fast a roof replacement moves once it starts. Here’s the order of work on a typical house. For a fuller breakdown, see how long a roof replacement takes.
- Free estimate. Someone climbs up, looks at the roof, the attic and the flashing, and writes down what the job includes.
- Permit and scheduling. The borough permit is pulled and the dumpster spot is settled.
- Tear off. Old shingles and underlayment come off down to the deck.
- Decking repairs. Soft or broken boards are replaced.
- Underlayment and ice protection. The deck is covered and sealed at the edges, valleys and penetrations.
- Shingles, flashing and ridge. New shingles go on, with new flashing at walls, chimneys and vents.
- Cleanup. Debris is hauled off and the yard is swept with a magnet for loose nails.

Underlayment is the layer most homeowners never see, and it’s the one that saves you when water gets past the shingles. After tear off and decking repairs, the whole deck gets covered in a synthetic underlayment like the blue sheet in this photo.
At the eaves, valleys and around chimneys and pipes, a self sealing ice and water membrane goes down first. Pittsburgh winters freeze and thaw over and over, and ice backing up at the gutter line is exactly where an older roof tends to leak. That protection at the edges matters more on a steep, older roof with shallow eaves.
Drone view of a Pittsburgh roof covered in blue synthetic underlayment, Alan Construction.
Once the roof is dried in, the shingles go on course by course from the eaves up, with bundles staged near the ridge so the crew isn’t hauling every pack up a ladder. Flashing at the walls, vents and chimney should be new, not reused.
We install Atlas shingles, including Atlas Pinnacle Pristine, which is built to resist the dark algae streaks you see on a lot of older roofs around town. Most of our roofing jobs are finished in one day, and the crew sweeps the yard with a magnet before they leave.
New shingles going on over underlayment with bundles staged near the ridge, Pittsburgh, Alan Construction.

Kenny K. summed up the cleanup in his review: “They left no nails in my rock bed or grass.”
Choosing a roofing material for a Dormont home
Most Dormont homes are a good fit for architectural asphalt shingles, but older houses sometimes call for something else on part of the roof. Here’s how the common options compare.
| Material | Where it fits best | What to know |
|---|---|---|
| Architectural asphalt shingles | Most steep main roofs and dormers | The most common choice, wide range of colors, good wind and algae resistance on quality lines |
| Metal | Main roofs or porch roofs where you want long life | Sheds snow well, lasts a long time, needs careful detailing at walls and chimneys |
| Slate | Older homes that still have a slate roof | Very long lived when maintained; worth repairing before replacing |
| Rubber (EPDM) | Low slope porch roofs and back additions | Made for slopes too flat for shingles, seams and edges must tie into the main roof |
What drives the cost of a Dormont roof replacement
We don’t publish prices because no two roofs are the same, and a number pulled off the internet won’t match your house. What actually moves the cost up or down:
- Roof size and shape. Dormers, valleys and multiple roof sections take more time and material.
- Pitch. Steep roofs need more safety setup and move slower.
- Layers to remove. Two old layers mean more labor and more debris.
- Decking repairs. Old plank decking may need sections replaced once it’s exposed.
- Material choice. Shingle line, metal, or a rubber section on a porch.
- Flashing and chimney work. New flashing at walls, chimneys and skylights.
- Access. Tight lots and street dumpster permits add setup time.
The free estimate puts all of that on paper for your house. We also offer financing through Enhancify, and if storm damage is involved, we work with your homeowners insurance and meet the adjuster on site.
How to pick a roofer for your Dormont home

A good roof replacement starts with the right contractor. Before you sign anything, check a few basics:
- A Pennsylvania Home Improvement Contractor registration number, which you can look up through the Pennsylvania Attorney General. Ours is PA#126638.
- Proof of insurance.
- A written estimate that spells out tear off, decking, underlayment, flashing and cleanup.
- Who pulls the Dormont permit.
We’re licensed and insured, BBB Accredited with an A+ rating, and every estimate is free with no obligation.
Top down drone view of a finished gray shingle roof with a chimney in Pittsburgh, Alan Construction.
Timing matters too. Good roofing weather books up fast, so it pays to call early. Our guide on the best time to replace a roof in Pittsburgh explains how weather and scheduling play into it.
Thinking about a new roof for your Dormont home? Request your free estimate and we’ll walk the roof, check the decking and flashing, and put everything in writing.