G.Cannon Roofing & Siding

07/31/2025

Whether you use it or lose it, it’s still worth $1,000.
😊 Don’t wait until it’s too late.

📅 This limited-time siding offer expires on 9/22.
📞 Call 484-653-5800 now to schedule your free inspection before summer ends.

📍 Licensed, Insured and Proudly serving Montgomery, Chester, and Delaware Counties since 1967.

06/28/2025

Another sharp roof in King of Prussia 👌
This one on Paul Revere Rd features a full GAF Timberline HDZ shingle system, installed with care by our crew at G. Cannon.

📍Local materials
📸 Local job
🏡 Local crew

If you’re near KOP and thinking about a roof upgrade, we’re just down the road. 📞 610-279-3121

06/27/2025

We once had a property manager in Montgomery County ask us, “Why does every roofer tell me something different?”

The answer? Because most people don’t really understand what’s under their commercial roof and too many contractors bank on that.

So, we'll break it down:
What’s a membrane?
What’s under it?
Why do some fail early while others last decades?

This guide covers it all. No jargon. Just the real stuff every owner or manager should know.

Understanding the parts of a commercial roof is essential for business owners and property managers looking to extend the life of their building and protect their investment. A commercial roofing system includes more than just the outer membrane. Each component plays a key role in performance, effic...

06/26/2025

King of Prussia homeowners: this one’s for you.

Chris had his entire roof replaced in one day — start to finish, no delays, no surprises. Just honest communication, a reliable crew, and clean, professional work.

When you need it done right the first time, you already know who to call.
📞 610-279-3121

06/25/2025

Years ago, our team completed this exterior overhaul for Burlington Coat Factory in Turnersville. Nichiha siding brought modern lines and durable performance—and it still looks sharp.

Even when a project is in the rearview, the results speak for themselves.

The last photo shows the before.
Quality work, done right the first time.

06/24/2025

Please stay safe out there today in this heat! ☀️ 🥵

And remember… heat can seriously impact roofing and siding systems, especially in older homes. Are your shingles curling or cracking? Is your flashing expanding and separating? Got heat trapped in the attic?

Call us for your free, no BS inspection, before a small issue becomes a major headache.

06/24/2025

This homeowner didn’t wait for leaks.
They spotted signs of age and called us for a proactive roof replacement—smart move. Now they’ve got durable, GAF Timberline protection and peace of mind for decades to come.

This one’s right near Abrams Mill Rd. in King of Prussia. Know a neighbor who needs help? Send them our way.

06/23/2025

Commercial buildings across Montgomery, Chester, Delaware, and Bucks Counties are turning to metal for their flat roofs, but is it the right move for your property?

Tap below to see when it’s smart, when it’s not, and what your roofer might not mention.

A flat metal roof can be a smart and durable choice for commercial buildings, but like any roofing system, it comes with both advantages and drawbacks.

06/22/2025

A few years back, we had the honor of working on the Valley Forge Baptist Church ⛪️ in King of Prussia — and it was no small project.

We handled:
✔️ Standing seam metal roofing
✔️ Asphalt shingles
✔️ Vinyl siding
✔️ TPO roofing
✔️ Gutters and downspouts

From the sanctuary to the side buildings, we brought it all together with clean, long-lasting installs built to serve the congregation for years to come.

If you’re part of a church, school, or community building that needs trustworthy exterior work — we’d be glad to help you plan your next project. We understand how to work around services, foot traffic, and long-term stewardship goals.

📍 Serving King of Prussia and surrounding communities since 1967.

06/21/2025

Fresh roof installed on Caley Rd in King of Prussia using GAF Timberline shingles. Clean lines, tight edges, and built to handle years of pennsylvania weather.

If you’re our neighbor in KOP and you're thinking about replacing your roof or just need a repair after those crazy storms, we’d be happy to give you some real honest advice —not a sales pitch.