Helping Pennsylvanians Since 1967
G. Cannon Roofing and Siding is a leading roofing contractor located in King of Prussia, PA, serving commercial and residential customers across southeastern Pennsylvania for over 55 years.
Trusted by the best
Kevin is an excellent roof inspector, very honest.
“If you want a perfectly done roof with a long warranty at a low price use these guys. These guys are the best.”
“Great job on our roof! Thank you guys. Experience from start to finish was top notch.”
“Seamless experience from start to finish. Excellent work and great customer service. Our roof looks better than expected! Will absolutely recommend to anyone.“
“We had a fantastic experience with them. The job and subsequent follow up was handled to our perfect satisfaction. “
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.
Protecting Your Biggest Investments
You’ve made your house into a home for you and your family. You made the investment and you deserve to have the roof, siding, gutters, and windows to best protect it.
It’s proven that a functional and sturdy roof paired with well installed siding will prevent unwanted critters from entering, and shield your home from the outside elements, keeping you warm and comfortable in the winters.
Our friendly representative is here to take your call and schedule your 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.
Our representative will communicate with you and you will be added to our work schedule at the earliest availability.
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 aren’t the company that bothers homeowners to make a decision. We know it’s a big decision for any homeowner, and we understand the investment.” – Gerald Cannon, Owner + CEO
Jerry Cannon // Owner + CEO
Our Core Values
We Guarantee Quality
Commitment to quality
Serving Pennsylvanians for 55+ Years
Where we live is also where we work. Like many of you, we grew up in the Philadelphia area, shopping at the King of Prussia mall, eating at the Italian Market, and going down the shore on the weekends. We understand what it is to be from the Philadelphia area and we work tirelessly to meet the needs of our neighbors.
Check Out Our recent Projects
We love our work to speak for itself. Check out some of our beautiful projects!
Trust in a Licensed & Insured Contractor
Are you in need of a new roof but not sure where to start? It’s unfortunate that there are so many unqualified and untrustworthy contractors out there. 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 Recent Articles
8 Top-Tier Roofing Contractors In Chester County, PA (Contact Info)
When something bad happens to your roof, chances are you're too stressed to have to worry about who to call, when to file an…
8 Five-Star Roofers In Montgomery County, PA (Customer Reviews)
Montgomery County, PA, is home to G. Cannon Roofing and Siding, but also many other reputable contractors who serve their local community with fantastic…
10 Highest Rated Roofing Companies In Bucks County, PA
There are over 1800 roofers in Pennsylvania, with the highest concentration in Philadelphia— our wonderful neighbors to the south. In Bucks County, when homeowners…