Commercial Roofing Guides
Independent, in-depth guides covering commercial roofing systems, maintenance, inspections, and decision-making — written for property owners and facility managers, not roofing insiders.
How to Identify Your Commercial Roofing System
Buying or leasing a building doesn’t always come with a clear record of what roofing system is up there. Before calling a contractor for a repair, inspection, or replacement quote, it helps to know what you actually have — different systems are seamed, maintained, and repaired differently. Here’s how to figure it out. Check the…
What Is Commercial Roofing? An Overview for Property Owners
Commercial roofing refers to the roofing systems used on non-residential buildings — offices, warehouses, retail centers, industrial facilities, schools, and similar structures. The term covers both the roof type and the specialized materials, design, and installation practices that differ meaningfully from a house roof. Commercial vs. Residential Roofing The most visible difference is slope. Commercial…
EPDM Roofing for Commercial Buildings: Flexibility and Track Record
EPDM (ethylene propylene diene monomer) is a synthetic rubber single-ply membrane and one of the longest-standing commercial roofing systems in use — it has been installed on commercial low-slope roofs since the 1960s, giving it a field-proven track record that newer membranes have not yet had time to build. Where EPDM Outperforms Other Membranes EPDM’s…
Industrial Roofing: What Makes Warehouse and Plant Roofs Different
Industrial roofing covers warehouses, manufacturing plants, and distribution centers — buildings where the roof has to handle a different set of demands than a typical office or retail building: larger surface areas, heavier rooftop equipment loads, and in many cases direct exposure to manufacturing byproducts. The materials are largely the same as any commercial roof,…
Flat Commercial Roofing: Drainage, Slope, and Ponding Water Explained
Almost no commercial roof is actually flat. What gets called a “flat roof” in commercial construction is a low-slope roof — built with just enough pitch to move water toward drains rather than left level. That small distinction is the source of most flat-roof problems, and most flat-roof solutions. Why Commercial Buildings Use Low-Slope Roofs…
Commercial Roofing Manufacturers: Who Makes What, and Why It Matters
Every commercial roofing membrane, insulation board, or coating comes from a manufacturer — and the manufacturer matters more in commercial roofing than in most other building products, because most commercial roof warranties are issued by the manufacturer, not the installing contractor. This is a factual, independent overview of who the major players are and what…
Commercial Roofing Materials: A Guide to What Roofs Are Actually Made Of
“Commercial roofing materials” is a broader category than any single system. A roofing system (TPO, EPDM, modified bitumen, and so on) is really an assembly of several material layers working together: a membrane on top, insulation underneath, and flashing and fasteners tying it to the building. Understanding the materials individually helps explain why systems perform,…
What Causes Commercial Roof Leaks (and How to Address Them)
Commercial roof leaks almost always trace back to one of three sources: failed flashing, compromised seams, or ponding water. Knowing which one you’re dealing with is the first step toward an actual fix rather than a repeated patch. Flashing Failure Flashing — the material sealing transitions around vents, pipes, HVAC curbs, and roof edges —…
Commercial Roof Warranties Explained: Manufacturer vs. Workmanship
Commercial roof warranties are more complicated than they look, and the fine print matters — most claim denials trace back to a misunderstanding of what type of warranty actually covers the problem. Two Different Warranties, Two Different Things Covered A manufacturer warranty covers defects in the roofing materials themselves — claims go to the manufacturer,…
Commercial Roof Coatings: Silicone vs. Acrylic Restoration
A roof coating is a fluid-applied, monolithic membrane installed over an existing, structurally sound roof — restoring waterproofing and reflectivity without the cost or disruption of a full tear-off. For the right roof, it’s one of the best return-on-investment moves in commercial roofing. Silicone Coatings Silicone has become the most widely used coating material in…