GSM Industrial logo
Commercial Roofing Services in Eastern PA, NJ, DE, & MD

Commercial Roofing Contractors with Unique Commercial and Specialty Roofing Solutions 

Few commercial roofers specialize in the unusual, the challenging or the unconventional. You need a commercial roofing contractor that stands out from the rest.   

Commercial and Specialty Roofing—It’s All We Do 

At GSM Roofing, we specialize in commercial jobs. And we welcome custom, specialty work.

When you choose a roofing contractor who can meet every one of your commercial roofing needs, you’ll feel confident in the integrity of your roofing systems—and unlimited in your choice of roofing materials.

Bryn Mawr, PA Property Roof Maintenance

Roof Maintenance 

When you hire industrial roofing contractors to inspect your roof twice a year—as well as respond to emergency leaks—you can expect your commercial roof to last. Let us be your partner in commercial roof preservation. 

commercial roofing services

Commercial Roofing

This commercial roofing contractor’s focus is to protect your building from the elements—and, more importantly, the tangible business assets inside. Let us help you protect your business and all of its valuable property.

special cottage roofing penn state abington

Specialty Roofing 

Multiple buildings at multiple locations—with a variety of roofs and roof systems—are no match for the expanding expertise of our roofing specialists. Challenging, custom, daring jobs are at the heart of our business.

The GSM Roofing Difference

Over 100 Members in the 25-Year Club!

The industrial and commercial roofing contractors who work for our commercial roofing service are more than long-term employees. They are integral parts of our client relationships. One look at the 25-year wall in our office, and it becomes clear just how important our people are to our success and yours.

The expert, tenured, long-term commercial roofers we are proud to employ can solve any roofing problem. Our customers’ trust in them has led to our company’s longevity. When you need professional roofers who are focused on safety, doing their work the right way, and communicating with one another and customers with clarity, trust the roofers at GSM Roofing.

GSM 25 Year Club Wall
man high on rooftop straped in for safety

Let Us Handle the Dirty, the Dangerous, and the Difficult

Family-owned and operated for three generations. Home to some of the most experienced specialty roofing contractors in the industry. Invested in the community and in our people.

Add all of this to our ability to install, maintain, service, and repair hundreds of different types of roofing systems from countless manufacturers, and you’ve got the last commercial roofer you’ll ever have to hire.

We work in all types of weather, never sacrificing craftsmanship or the safety of our employees and the people on your property. No leak is too difficult, no slope is too steep. We don’t shy away from the dirty, the dangerous, or the difficult.

GSM Roofing: Working and Giving in Your Community

We’ve been installing, replacing, and maintaining roofs in the eastern half of Pennsylvania, New Jersey, Delaware, and most of Maryland for nearly 80 years. Over those eight decades, we have not only built a reputation for quality, professional, safe commercial roofing, but we have also built relationships with area businesses and charitable organizations. 

Through philanthropic programs like the Great Roof Giveaway, we are giving back to non-profits in the areas we serve every year. We will continue to spearhead these programs because we believe in long-term relationships—not only with our valued clients but also in the communities where we work.  

Get in touch with our commercial roofing contractors today. We’re ready to talk about all your roofing repair, maintenance, and installation needs. 

The Good Group Foundation Philanthropy - Check to Fulton Theater
default image


I just wanted to send a quick thank you to all of you for your help in getting together the final invoices for Reading and North Temple. You all are the best and it is always a pleasure working with you!

Have a great day,

Cindy Yates June 28, 2022