Expert Roofing Professionals Serving Southeastern Pennsylvania

Through Guaranteed Workmanship and Premium Materials—We Ensure Your Investment Is Protected

Offering seamless and durable single-ply and TPO flat roofing systems for your commercial structure

As a business owner, replacing your commercial property roof is an important investment that will last for many years to come. At Dunwell Roofing, we take that very seriously. We are warranty certified for the roofing systems we install for a superior quality roof that performs and lasts. Coupled with our expertise and integrity, you can have the peace of mind to tend to your business while we take care of everything that goes into protecting your investment.

Types of Commercial Roofing Systems

Spray Foam Roof Coating System

Increase your property’s energy efficiency with a Spray Foam Roof Coating/SPF Coating System. Thanks to its cool, white, reflective surface and insulation of R-6.5 per inch of thickness, this roof coating is extremely energy efficient. They consist of a polyurethane foam with seamless barriers installed in them to insulate and waterproof, for a strong, durable roof.

Advantages of Spray Foam Roof Coatings:

  • Lightweight

  • Long-lasting

  • Increases energy efficiency and lower utility costs

  • Extends the life of your existing roof

  • Waterproof to prevent leaks

  • Simplified repairs (most can be done with a caulking gun and coating)

Fabric-Reinforced Roof Coating System

Reinforce Your Roof and Lower Your Energy Costs with a Fabric-Reinforced Roof System. This roof coating system works to waterproof your building with a seamless acrylic coating that comes with a tough and flexible fabric. The membrane's rugged and lightweight nature resists splitting and rupturing and increases the overall durability and strength of your roof, while its white fabric reflects 85 percent of the sun's heat for maximum energy efficiency. These types of roofs require annual or bi-annual maintenance with a simple recoat to renew your roof.

Advantages of Fabric-Reinforced Roof Coatings:

  • Excellent wind and hail protection

  • Extends the life of your existing roof

  • Increases energy efficiency and lower utility costs

  • Superior waterproofing to prevent leaks

  • Exceptional return on investment

Membrane Roof Coating System

Improve the life of your existing EPDM, TPO, or other membrane roof with a Conklin Membrane Coating System. This is a comprehensive, elastomeric waterproofing system that makes your roof long-lasting and durable. This is a cost-effective solution for repairing and preserving single-ply membrane roofs.

Advantages of Membrane Roof Coatings:

  • Extends the life of your existing roof

  • Increases energy efficiency and lower utility costs

  • Superior waterproofing to prevent leaks

Single-Ply Membrane Roofing System

Extend the life of your business by adding a durable and energy-efficient single-ply membrane. A premium thermoplastic membrane system offers outstanding reflectivity and is resistant to a range of chemicals. The membrane rolls are overlapped and welded together to form a durable, waterproof, and energy-efficient shield, providing reliable protection for years to come.

Advantages of Single-Ply Membrane:

  • Cost-Effective

  • Extends the life of your existing roof

  • Increases energy efficiency and lower utility costs

  • Can be applied in all four seasons

  • Resistant to wind and hail/performs in all climates

  • Superior waterproofing to prevent leaks


Extend the life of your roof by recoating instead of replacing with a simple or multiple recoats

“We are very happy with service we received from Dunwell roofing . We needed to replace our rubber roofing system for our commercial property. An amazing work ethic , that you don’t really see you today. We were very satisfied with the service and quality workmanship.”
- Marty P

Metal Roofing Restoration

Prevent leaks and energy loss in your commercial property with Metal Roof Restoration. This is a comprehensive waterproofing process that prevents rust and provides an energy-efficient, durable and attractive finished product.

Advantages of Metal Roof Restoration:

  • Extends the life of your existing roof

  • Eliminates any flaws in the design

  • Increases energy efficiency and lower utility costs

  • Stops leaks at the seams, where they most commonly occur

Dunwell Commercial Roofing Projects

Gutters and Downspouts

Protect your property and roofing investment by ensuring quality installation and maintenance of gutters and downspouts. Commercial buildings, especially those with flat roofs, accumulate more water than residential ones, necessitating functional gutters and downspouts to avert water damage. Our team of commercial roofing experts specialize in replacing older gutters with durable seamless models that not only enhance aesthetics, but also guarantee long-term performance.

“Samual Lantz is an absolute pleasure to deal with demonstrating the utmost professionalism, kindness and caring. He and his team are high energy, tireless, always upbeat and pleasant and do a perfect install. They made, what would normally be a torturous process, a pleasure.”
- Robert S

Experience Peace of Mind Through Quality Workmanship