In commercial construction, the roof isn’t just protection. It affects maintenance costs, energy efficiency, and usable space. For property owners in Wilmington, the stakes are even higher.
Summit Roofing has seen time and time again that salt air, humidity, heavy rains, and hurricanes mean your roof must do more than cover square footage. It has to hold up against one of the most demanding climates in the country.
So which type of roof works best for your business? A low-slope system or a steep-slope system? Here’s how the two compare for commercial roofing in coastal NC.
Low-slope roofs—often called flat roofs—are the go-to option for many commercial buildings. They have a very subtle pitch, usually about ¼ inch per foot, which is just enough to allow water to drain.
You’ll typically find them on:
Low-slope roofs are built with durable membranes such as TPO, EPDM, or PVC. These materials create a watertight seal and allow for efficient use of rooftop space. Many owners use flat roofs to mount HVAC systems, install solar panels, or even build green roof systems.
See our options for commercial roof services in Wilmington.
Steep-slope roofs are less common on large commercial facilities but are a strong choice for certain property types. A steep-slope roof has a pitch of 3:12 or higher and is built with shingles, tile, or standing seam metal.
You’ll most often see them on:
The main advantage of steep slopes in Wilmington is their ability to shed water quickly. Heavy rains are less likely to pool or penetrate the system, which is especially important in our coastal climate.
For a deeper breakdown of how these roofing systems compare, Polyglass offers an overview of low-slope vs. steep-slope commercial roofs.
Each roof type has unique advantages and challenges.
Claris Design has a helpful guide that outlines how to choose the right commercial roof for your business if you still want to know more about different types of roofing.
Choosing between low-slope and steep-slope roofing often comes down to your building type and how you use the space.
Want personalized guidance? Ask our team which roof type is right for your commercial property.
They’re more cost-effective and practical for wide buildings with expansive square footage.
Steep-slope roofs often last longer due to better drainage, but low-slope roofs can perform well with quality membranes and regular maintenance.
Yes. Panels can be mounted at an angle, but flat roofs typically allow easier installation and better orientation.
In some cases, it can. Insurers may consider steep-slope systems more resilient in storm-prone areas, potentially lowering premiums.
Both low-slope and steep-slope roofs have advantages. Your choice all depends on your building type, budget, and long-term goals. In Wilmington’s coastal climate, choosing the right slope can mean fewer leaks, greater durability, and savings over the life of your roof.
Whether you need roof repair or a roof replacement in Wilmington NC, we’re here to provide solutions that last. Learn more on our commercial roofing page. We help businesses evaluate their options and build systems designed to withstand local conditions.
Schedule a consultation to compare roof options for your Wilmington property.