Commercial Roofing & Exterior Services
From our Lancaster, PA headquarters, we work on commercial buildings across Central and Eastern Pennsylvania, New Jersey and Delaware. We repair, restore, maintain and replace commercial roofs and build new ones. That includes large TPO flat roofs and metal roofing systems. We are proud to use premium CertainTeed products for both roofing and siding on our commercial projects. Commercial jobs carry our 12-year workmanship warranty, and the 5-Star Protection Plan extends it to 25 years.
Commercial Roof Repair
Address non-severe damage early on with a commercial roof repair to extend your roof’s lifespan and prevent further, more costly damage. Commercial Roof Repairs ›
Commercial Roof Restoration
Extend your commercial roof’s life by 10 years with Greenawalt Roofing’s proactive commercial restoration services. Commercial Roof Restorations ›
Commercial Roof Replacement
When repair or restoration no longer makes sense, we tear off and replace the full commercial roof system. Commercial Roof Replacements ›
Commercial Roof Construction
We install the roof systems on new commercial buildings, including TPO and metal. Commercial Roof Construction ›
Commercial Roof Maintenance
Inspections and small repairs that catch commercial roof problems before they turn into leaks. Commercial Roof Maintenance ›
Wall Panel & Siding for Commercial Buildings
We install wall panels and siding on commercial buildings. Commercial Wall Panel and Siding ›
Why Choose Us
Exceptional Commercial Roofing for Every Type of Building
Quality Materials
We use CertainTeed roofing and siding products on our commercial projects.
Superior Workmanship
Every job ends with a certificate of craftsmanship, and our workmanship warranty covers installation errors for 12 years, or 25 with the 5-Star plan.
Comprehensive Services
We work on flat TPO and EPDM roofs, metal roofs and shingle roofs.
Happy Customers
We’re a BBB Accredited Business, and Construction Business Review named us its 2025 Roofing and Exterior Services Company of the Year.
Service Areas
Serving Central and Eastern Pennsylvania, New Jersey and Delaware
Central Pennsylvania
Pittsburgh, PA
Philadelphia, PA
Philadelphia, Bucks, Montgomery, Delaware, Chester, Doylestown, Lehigh, and surrounding Philadelphia, PA counties.
New Jersey
Delaware
Servicing New Castle, Kent, and Sussex counties in Delaware.
Commercial Roofing and Exterior Insights
We Pray for Roofers | Thank you Table Life Church of the Nazarene
Visit Table Life Church of the Nazarene Thank you Table Life Church of the Nazarene Greenawalt Roofing is grateful to have had the opportunity to work with…
EPDM VS. TPO Roofing: What’s Best For My Property
Learn more about EPDM and TPO roofing, their benefits, and key differences, with an expert recommendation for which roof you should get.
Guarding Your Business: Understanding and Preventing Commercial Roof Leaks
Learn about the common causes of commercial roof leaks and why addressing them promptly is crucial and when to consider a roof replacement.
Schedule Your Free Commercial Roofing or Exterior Estimate Today
Our team is ready to provide a free and transparent estimate for your next exterior project.