
Five-Star King of Prussia Roofing Service
With G. Cannon Roofing, you’re getting both the best materials and installation t in the industry with brands like GAF, Certainteed, and Tamko. Not only will your family be better protected, but your home’s curb appeal will increase, and your roof will last longer too. A new roof is a big investment, but it’ll offer protection and peace of mind for years down the road.
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TRUSTED BY THE BEST
Our Promise to You Is Our Best Work Every Time
At G.Cannon, we truly care about our customers. As homeowners ourselves, we believe our neighbors should receive the best possible service at a fair price they can afford. You should feel safe and confident with your exterior home services from start to finish. That is why G.Cannon’s promise to you is quality workmanship at a fair price and without the worry, every time.

The Highest Level of Roofing Service
G. Cannon Roofing is proud to be a Master Elite installer for GAF, the largest and most respected roofing manufacturer in North America. This means that we have met their strict standards for both quality workmanship and business practices and offer the best warranties in the business. When you work with us, you get a high-quality roof that lasts.
Customers are Treated Like Family
We understand that a new roof is a significant expenditure, and we will work with you every step of the way to ensure that you are completely happy with your new roof. When it comes to concerns, costs, or timelines, you’ll never be left in the dark. We pride ourselves on providing unbeatable customer service and can’t wait to work with you.
Trust in a Licensed & Insured Contractor
Our #1 goal is that our customers feel cared for and not taken advantage of. As a licensed and insured contractor, we offer high-quality workmanship backed with the best warranties in the business. You can trust our highly trained team to do the work right the first time!

Our process

Phone Call
Our friendly representative is here to take your call and schedule your free estimate.

Free Estimate
Our skilled estimators will inspect your home and provide a clear and detailed estimate for the required services.

Sales Meeting & Follow-Up
Our estimator will explain the service process and material details and then provide you with all the necessary information to make an informed decision.

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

Serving Pennsylvania Homeowners Since 1967
Our team of highly trained and experienced roofing contractors is dedicated to providing outstanding customer service, and we’re proud to have served homeowners in Pennsylvania since 1967. We offer FREE on-roof evaluations so that we can determine the best course of action for your roof, and we’ll work with you every step of the way to make sure you’re taken care of.
Frequently Ask Questions
How long will my project take from start to finish?
How soon can you start?
Are you licensed and insured?
What types of services do you offer?
Services we offer include roofing, siding, windows, and gutters.
How do I know whether I need a repair or a new installation?
With your free estimate, our competent technician will give you the right information to make the best decision for your home and your wallet – regardless of whether or not you choose us for the job.