Penn Ohio Roofing
Commercial Roofing
Flat and low-slope roofing for businesses.

Your commercial roof is a major asset — protect it with a contractor who understands the difference between a warehouse, a strip mall, and a medical office. Penn Ohio Roofing installs and maintains EPDM, TPO, PVC, modified bitumen, and metal commercial roofing systems for buildings of every size. We work around your operating hours to keep disruption to a minimum.
As an Owens Corning Preferred Contractor, we deliver premium installations backed by industry-leading warranties. Every project is handled by our in-house crews — no subcontractors — and finished with a thorough clean-up so your property looks better than when we arrived.
What Is Commercial Roofing?
Commercial roofing covers the flat and low-slope systems on Sharon businesses, churches, apartment buildings, and light industrial properties — single-ply membrane, modified bitumen, and coating restorations. These roofs fail differently from residential shingle: the enemy is standing water, seam failure, and penetration detail, not wind uplift on a steep slope.
Low-Slope Systems We Install in Sharon
- 1TPO and PVC single-ply: heat-welded seams, high reflectivity, the default for most new low-slope work.
- 2EPDM rubber: durable and forgiving on complex roofs, seamed with tape or adhesive.
- 3Modified bitumen: torch- or cold-applied, still the right answer on many older decks.
- 4Silicone and acrylic coating restorations: extend the life of a sound but aging membrane without a tear-off and without shutting the business down.
What Matters on a Commercial Roof
- Solve the drainage. Tapered insulation and adequate drains — ponding water is what kills low-slope roofs.
- Detail every penetration, curb, and parapet properly. That is where nearly all commercial leaks originate.
- Phase the work around business hours so operations keep running.
- Set up a documented maintenance schedule; most manufacturer warranties require it.
What to Avoid
- Patching the same spot year after year instead of correcting the drainage.
- Coating over a wet, saturated substrate — it traps the moisture in.
- Crews without low-slope-specific training welding seams.
- Skipping the roof survey and moisture scan before a restoration.
Warning Signs on a Sharon, PA Home
- Ponding water still standing 48 hours after rain.
- Open, lifted, or fishmouthed seams.
- Blisters or ridges in the membrane.
- Interior ceiling tile staining, often far from the actual entry point.
- Failed sealant at curbs, drains, and rooftop units.
What Drives the Cost of Commercial Roofing in Sharon
- •Square footage and roof complexity — units, curbs, and penetrations.
- •Tear-off versus recover versus coating restoration.
- •Insulation R-value and whether tapered insulation is needed for drainage.
- •Membrane type and thickness, and the warranty term you want.
- •Access, staging, and whether work must happen after hours.
