Commercial roofing blog

Stories and advice from Sentry’s commercial roofing experts.


A Manufacturer’s Commercial Roof Warranty Isn’t Insurance! Here’s Why You Need Both

Sometimes people get confused about the types of things that are covered by a commercial roof warranty. They assume it covers things that are really covered by an insurance policy. And vice versa. What’s the difference between a warranty and an insurance policy? A warranty is a service contract that covers the roof materials, providing […]


What Are the Pros and Cons of a Metal Commercial Roof?

This series of blog posts on commercial roofing system pros and cons review the most popular types of roofs for commercial buildings — TPO, EPDM, asphalt, slate and tile, vegetative, and, this month, metal commercial roofs. Metal roofs are steadily increasing in popularity and while you may not currently have a metal roof, it’s worth it to […]

Metal Tubing Roof Leaks

Metal Tubing: 2 Ways It Can Fool You When It Comes To Roof Leaks

We admit it — water can fool even our top leak specialists sometimes. Here are two examples — in the past! — of how metal tubing that had nothing to do with the roofing system created what appeared to be roof leaks. Now, of course, if there’s metal tubing around, it’s one of the first places we […]


4 Types of Commercial Roof Leaks You Can Prevent With Regular Maintenance

Just as there are different types of commercial building roofs, there are different types of commercial roof leaks — and a lot of them can be prevented by simply maintaining your roof. Four of the most common are pitch pan leaks, metal flashing leaks, HVAC vent leaks and gutter leaks. Below, we explain each type of […]

HJAIA-Sentry Roof Repurpose Insulation

Diverting From Landfill: Sentry Repurposes Up To 1 Million Square Feet of Insulation

While working with the world’s busiest airport to replace a failing roof on one of its concourses, we’ve been facing an enormous challenge — what to do with all of the insulation we’re removing? We’re taking the concourse down to the deck, which involves removing more than one million square feet of two-inch thick polyisocyanurate insulation […]


6 Questions To Ask When Getting a Commercial Roof Inspection

There’s a lot to think about when you’re considering buying or selling a building and the condition of the roofing system is definitely one of them! The roof is a business asset, along with the rest of the building. So you need to have a roof inspection by a knowledgeable, reputable expert who knows exactly […]

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Can You Name This Building? (We roofed it!) Hint: The roof does more than keep out water.

It’s not every day you install a roof that will have some sections covered by a beautiful floor and other sections walked on by beautiful people in beautiful clothing! Usually, the beauty of a commercial roof is more…understated. But this re-roofing and new roof installation project was part of the $100 million redevelopment of the […]


What are the Pros and Cons of an EPDM Commercial Roof?

As a property owner or property manager, you need to understand the kind of roofing system that’s on your building so you can manage it properly and make an informed decision when it’s time to re-roof. This series of blog posts covers the pros and cons of the most popular types of commercial roofs. This […]

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Commercial Roofing Repairs: How Spotting Small Problems Early Can Save You Big Money

A commercial roof is like anything else that gets wear and tear — a little problem can turn into a big one if you’re not paying attention. Not only does it cost more to repair a big problem, but when you’re dealing with commercial roofing repairs, it can cost you more in energy expenses, too. […]


What Are the Pros and Cons of a TPO Commercial Roof?

As a property manager or owner, understanding the kind of roofing system that’s on your building and your options for re-roofing are imporant parts of roof management. This series of posts covers the pros and cons of the most popular types of commercial roofs. In this post, we cover the basics of TPO. You can also […]

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Can You Name This Building? (We roofed it!) Hint: It’s an Atlanta Landmark Built In 1887

The roof is slate, the gutters and downspouts are copper and the building is in use by members most days and times. This is not your average commercial roof. Standing on the ground, you can see that the roof design is beautiful and complex. The slate that needed replacing had to be meticulously matched and […]


60-second Case Study: How Expert Care Breathes New Life Into Old Roofs

We were working with property owners who felt like it was time to replace their roof but they weren’t ready to spend the money. So they asked us to maintain the roof for a year or two while they budgeted for the reroofing. After the first round of maintenance our technicians provided the number of […]