Your Local Commercial Roofing Experts
Here at G. Cannon Roofing & Siding, our commercial roofing systems are supported by industry-leading warranties, the highest quality of roofing materials and coatings, and years of dedicated experience.
When you choose G. Cannon, you’re partnering with a trusted Pennsylvania roofing company known for superior service and exceptional results. Ready to tackle commercial roof repairs, install a brand new roof, or replace your commercial gutter system? Reach out to the pros today!
Get In Touch With Us!
Trusted by the best
Our Promise to You Is Our Best Work Every Time
At G.Cannon, we truly care about our customers. As home and business owners ourselves, we are proud to offer high-quality services and support throughout your next project. With decades of experience, you can count on our certified roofing contractors to deliver on results no matter the scale of your project. Whether you’re looking for a TPO commercial roofing system, a new shingle roof, or precise metal roofing installation for your home or business – we’ve got you covered.
Commercial Roofing, Siding, Gutters, & More
Rely on the Top Commercial Roof Installers
With a legacy of excellence since 1967, our certified team of roofing contractors are proud to offer decades of expertise to support the longevity of your business. Don’t settle for lackluster roofing materials, shoddy roof installations, or less-than-average Pennsylvania roofing companies. When you’re dealing with roof damages – you want the best.
Our experienced team specializes in a variety of roofing systems, including flat roofing options (EPDM, TPO, & PVC), standing seam metal, asphalt shingles, cedar shake, and slate tile. We also offer advanced flat roof coatings (silicone & acrylic) and comprehensive roof maintenance plans to ensure long-term durability.
Trust us to be your reliable commercial roofing partner, dedicated to providing top-notch service and support for the long haul.
Our process
Contact Us
Whether via email or telephone, our friendly representative is here to take your call and schedule your free estimate.
Free Estimate
Our skilled estimators will inspect your property and provide a clear and detailed estimate for the required services.
Submittals & Site Meeting
While the scope of work might change with each job, our commercial project managers will work with you to best understand the necessary materials, scope of work, and logistics for your commercial project.
Schedule Job
Our representative will communicate with you and you will be added to our work schedule at the earliest availability.
Perform Work
A G.Cannon representative will be available to meet with you at the beginning of the project. A qualified G.Cannon crew will perform the designated work on the scheduled date.
“We help you choose what’s best for your home or business. We guarantee top-notch service and cleanup.”
Jerry Cannon // Owner + CEO
Our Core Values
We Guarantee Quality
No Hassle
Commitment to quality
Trusted Relationships
Delivering value
Where We Deliver Top-Notch Work
Proudly serving the Pennsylvania and surrounding areas, we’d love for you to consider us as your go-to crew for top-notch roofing and siding services.
Check Out Our Recent Projects
We proudly stand by our work— see what we can do for your commercial business.
Here When You Need Us
High-End Commercial Roof Replacements
At G. Cannon, our #1 goal is to ensure seamless communication so you’re never left waiting on us. We’re fully licensed and insured, and we offer industry-leading warranties to back our work.
As a Master Select Certified contractor for low slope and TPO coatings and a Master Elite Certified contractor for steep slope and shingles, we bring the highest level of expertise and credibility to every project. With our commitment to clear communication and robust manufacturer guarantees, you can trust that your commercial roof will not only meet but exceed expectations, standing the test of time.
Types of roofing
Cedar Roof
Slate Roof
Metal Roof
Flat Roof
Asphalt Shingles