Three generations of expertise. WBE certified. Certified installer for Firestone, Carlisle, GAF, and more. Serving commercial and industrial clients across PA and NJ.
Certified installer for the industry's leading manufacturers. Every project backed by workmanship warranties.
Thermoplastic polyolefin single-ply membranes. Energy-efficient white reflective surfaces ideal for commercial flat roofs. Certified Firestone and Carlisle installer.
Ethylene propylene diene monomer rubber roofing systems. Proven durability, excellent UV resistance, and flexible adaptation to complex roof contours.
Standing seam, corrugated panels, and metal shingle systems. Long lifespan, superior weather resistance, and a range of finishes for architectural aesthetics.
Comprehensive condition assessments for property managers and owners. Detailed written reports with photos, condition scoring, and recommended maintenance schedules.
Leak response, preventative maintenance programs, and roof coatings. Extend your existing roof's service life with cost-effective repairs from experienced crews.
Design-assist and installation for new commercial builds. Aggressive pricing, on-time delivery, and strong relationships with general contractors across the region.
Munn Roofing Corp is a family owned and operated commercial and industrial roofing company located in Montgomery County, PA. We've been in business for over 60 years, serving the greater Philadelphia region, the Lehigh Valley, and parts of New Jersey.
We specialize in all aspects of commercial and industrial roofing systems, including new construction, re-roofing, and roof maintenance and repairs. Our team has experience across school districts, corporate facilities, and industrial complexes throughout the region.
We are a Women's Business Enterprise (WBE) certified contractor with the US federal government, the state of Pennsylvania, the state of New Jersey, and the city of Philadelphia — making us an ideal partner for public sector and government-affiliated projects.
A selection of recent commercial and industrial projects. From single-ply TPO membranes to standing seam metal systems, every project is delivered on time and to specification.
We have been working with Munn Roofing Corp for over 10 years and will continue to do so for years to come. They consistently provide quality workmanship and readily accommodate tight installation schedules. Their care and professionalism is why we will continue to recommend them to our clients.
Full liability coverage and workers' compensation. Peace of mind on every project.
Federally, state of PA, state of NJ, and city of Philadelphia certified Women's Business Enterprise.
Every installation backed by the manufacturer's material warranty plus our workmanship guarantee.
Three generations of commercial roofing expertise. We've seen it all and built it all.
Whether you're planning a new installation, need a roof inspection, or want to discuss maintenance options — reach out. We'll respond within one business day.
