Too often, commercial roofs go unnoticed until leaks appear — and by then, the damage is already done. Major repairs or even premature replacement can quickly follow. The smarter (and more cost-effective) choice? Planning ahead with a proactive maintenance strategy to prevent costly issues before they start.
In this post, we’ll share expert tips to help you extend your roof’s lifespan, prevent water damage, and protect your business year-round.
What Causes Commercial Roof Leaks?
Even the most durable commercial roofs eventually wear. The main culprits behind roof leaks include:
- Severe weather
- Aging materials
- Everyday wear and tear
- Lack of regular maintenance
Let’s take a closer look at each.
Weather: Minnesota’s Biggest Roof Stress Test
From heavy rain to deep freeze cycles, the Twin Cities’ climate is harsh on roofs. Even a new or well-built roof can spring a leak after events like:
- Heavy downpours or hailstorms
- Repeated freeze/thaw cycles
- Snow and ice accumulation
- Ice dams from poor drainage
- High winds and storm debris
After every major weather event — and every spring — schedule a professional roof inspection. A proactive maintenance program not only catches minor damage early, but also ensures you’re at the top of your contractor’s list if severe weather strikes again.
Roof Age and Longevity
No roof lasts forever, but regular maintenance can significantly delay the need for replacement. Even younger roofs benefit from a structured maintenance plan — it helps extend their useful life and minimizes costly emergency repairs.
Everyday Wear and Tear
Everyday operations affect your roof more than you might think. Foot traffic, rooftop HVAC units, and even minor upgrades can stress roof membranes, flashings, or drains. Without early detection, these small pressures can lead to bigger issues.
A scheduled inspection and maintenance plan helps catch problems early. Think of it like regular service for your car — a little attention now prevents expensive breakdowns later.
Why Lack of Maintenance Is the #1 Cause of Leaks
Neglect is the enemy of roof performance. A poorly maintained commercial roof doesn’t just wear out early — it costs more in unexpected repairs, energy loss, and even tenant disruption.
Here’s what every building owner or facility manager should be doing:
Inspect at Least Once a Year
Think of roof inspections like dental checkups — nobody looks forward to them, but everyone knows how much money (and pain) they save. Regular inspections, at least once a year, or more often if exposed to harsh weather, help detect problems early and extend your roof’s lifespan.
Schedule at least one full inspection per year — ideally twice if your building is exposed to harsh weather. These visits extend your roof’s life span, maintain manufacturer warranties, and prevent water intrusion.
Keep It Clean
Clogged drains, leaves, or branches can cause water to pool — a major source of leaks and roof membrane damage. Regular cleaning helps prevent these blockages.
If your roof sits near trees, trim back branches and clear leaves each fall before snowfall begins. During winter, remove accumulated snow to reduce weight and prevent stress cracks.
While you can handle basic debris removal, professional roofers have the training and gear to clean safely and spot hidden issues — whether your building is one story or twenty.
Don’t Delay Repairs
A small leak won’t fix itself — and what seems minor today can cause significant structural or interior damage tomorrow. If you spot cracks, bubbles, or leaks, call a professional commercial roofing contractor immediately.
Timely, professional repair work prevents recurring leaks and safeguards the integrity of your building.
Partner with a Trusted Roofing Pro
Maintaining a commercial roof isn’t a DIY project. Just like you wouldn’t fill your own cavities, you shouldn’t try to “patch” your own roof.
For more than 75 years, Mint Roofing has helped Minnesota businesses keep their buildings dry, safe, and operational year-round. From office complexes to schools to multi-story facilities, our TopSite Preventative Maintenance Program keeps roofs in top shape — without the need for novocaine.
Let’s Talk Roof Health
Whether you need a one-time inspection or ongoing maintenance, Mint Roofing makes it simple to protect your property investment.
💡 Learn more about our TopSite Preventative Maintenance Program
Let’s make sure your commercial roof performs its best — year after year.
FAQs
Q: How often should I have my commercial roof inspected?
At a minimum, once a year, in spring or in fall. Additional inspections are recommended after any severe weather event.
Q: What are the warning signs that my roof needs repairs?
Look for visible cracks, water stains, pooling water, or rising energy bills. These indicate damage or insulation problems.
Q: Can I clean my roof myself?
You can clear minor debris, but leave professional cleaning to trained roofers who use proper safety equipment and cleaning tools.
Q: Why trim trees near my roof?
Falling branches or leaves can clog drains and add weight to your roof, increasing the risk of leaks.
Q: How do I choose the right contractor?
Select a licensed, insured roofing expert with proven commercial experience. Check reviews, ask for references, and request a detailed scope of work.
Q: How do I contact Mint Roofing for maintenance?
Reach out anytime for a no-obligation consultation at 952-473-8080 or through our online form.
