Pittsburgh commercial roofs take a beating from the humid continental climate. Cold winters make membranes contract and crack at seams while warm summers speed up UV breakdown. We see this most on buildings in Lawrenceville and Bloomfield where older tar and gravel systems fail first at drains and flashings. Cheap crews skip proper insulation upgrades and the roof cycles back to leaks every two winters.
Allegheny County permits require tear-off documentation on re-roofs over 50 percent of the area. We pull those permits and schedule inspections so the job stays legal. A common mistake is slapping new membrane over wet insulation. That traps moisture, blisters the surface in the first summer and voids any manufacturer warranty on the TPO or EPDM we install.
We use 60-mil reinforced TPO on most low-slope jobs because it handles the freeze-thaw cycles better than standard EPDM. Crews check for rust on metal decks common in Mount Washington and Point Breeze warehouses. If the deck needs replacement we do it in sections to keep the business open. Work stays within Mon-Sat 7am-7pm unless the call is a 24/7 emergency.
Commercial Roofing Services We Offer
✓Flat Roof Repair Pittsburgh
Patch seams and replace damaged sections on commercial flat roofs using matching TPO or EPDM.
✓Emergency Commercial Roof Leak Fix
24/7 response to stop active leaks on office and retail buildings in Oakland and Shadyside within hours.
✓TPO Roof Replacement Commercial
Full tear-off and install of 60-mil TPO on warehouses and storefronts in South Side and Strip District.
✓EPDM Membrane Installation
New 45 or 60-mil EPDM on low-slope commercial roofs with proper flashing at all penetrations.
✓Skylight Repair Commercial Buildings
Reseal or replace leaking skylights on retail and office roofs in Regent Square and East Liberty.
Commercial Roofing Cost in Pittsburgh, PA
| Service | Typical Range | What Affects It |
|---|---|---|
| Repair a commercial roof leak | $650–$1,800 | Size of patch and whether deck needs work |
| TPO roof replacement per square | $8–$12 | Includes tear-off and new insulation |
| EPDM full roof install per square | $7.50–$11 | Thickness and attachment method change price |
| Skylight reseal or replace | $450–$950 | Single unit versus curb rebuild |
| Free commercial roof estimate | Free | On-site inspection and written scope |
Ranges are typical for Pittsburgh, PA and confirmed with an exact written quote before any work starts.
How it works
- 1
Site visit and moisture scan
We walk the roof with infrared and check every penetration. Takes 1 to 2 hours on most commercial buildings.
- 2
Scope and permit pull
Written scope sent same day. Allegheny County permits filed when tear-off exceeds 50 percent.
- 3
Tear-off and deck repair
Old material removed, wet insulation cut out, deck fixed. Usually 1 to 3 days depending on size.
- 4
New membrane install and flashings
TPO or EPDM welded or glued, all edges and curbs flashed. Final walk with owner.
Pricing
Most commercial jobs run by the square foot plus access and material upgrades.