Preventative Commercial Roof Maintenance: Everything You Need to Know

When it comes to protecting your commercial building, your roof is one of your most important investments, and preventative maintenance is the smartest way to protect it. Routine maintenance helps identify minor issues before they become costly problems. It can also extend your roof’s lifespan and keep your facility operating without additional disruption. 

In this guide, we’re breaking down the key steps every property manager and building owner should take to maintain a commercial roof and avoid unnecessary repairs or premature replacement. Plus, we’ll tackle common misconceptions and answer the top questions we hear from building owners and managers about maintaining a commercial roof.

Why Does Preventative Commercial Roof Maintenance Matter?

Preventative roof maintenance encompasses everything from cleaning and repairs to general roof health assessment. A neglected roof is far more likely to develop leaks, structural problems, and drainage issues, all of which can lead to expensive repairs or even a complete replacement. In addition to preserving the roof itself, preventative maintenance protects the rest of your building. A leak in an office or a mechanical room could result in downtime, damage to electronics, HVAC systems, or even a major safety hazard.

Preventative maintenance is also critical for complying with factory warranties. Most roofing products come with a guarantee that they will last a certain amount of time. However, if the manufacturer finds that the roof has not been properly maintained, it can void the warranty.

What Does Preventative Commercial Roof Maintenance Include?

Preventative commercial roof maintenance goes beyond reactive repairs. It also includes a range of proactive services, such as:

  • Routine Inspections (typically twice per year and after major weather events)
  • Debris Removal
  • Drainage Checks
  • Sealant Reapplication
  • Flashing and Edge Detail Inspections
  • Leak Detection and Repair
  • Thermal Scanning or Infrared Moisture Surveys (when necessary)

With Maxwell Roofing’s MAXCare® program, you don’t have to assess your own roof maintenance needs because our professional assessment team will do it for you. Starting with a forecast assessment, one of our experienced experts will lay out a maintenance schedule for the entire lifespan of your roof, helping you prepare your budget for the future. With scheduled inspections, discounted repairs, priority response for emergencies, and centralized reporting tools, MAXCare® takes the guesswork out of maintenance.

Common Preventative Commercial Roof Maintenance Misconceptions

Despite the proven value of commercial roof maintenance, several misconceptions persist. Here are five of the most common myths and expert insights to clear up any confusion: 

Myth 1: “My roof is under warranty, so I don’t need maintenance.” 

  • Reality: Warranties often require proof of routine maintenance. Without that proof, coverage can be denied, even for manufacturing defects. 

Myth 2: “We’ll fix it when it leaks.” 

  • Reality: By the time a leak becomes visible, the damage has often already spread and worsened, increasing repair costs.

Myth 3: “Maintenance is too expensive.” 

  • Reality: Routine maintenance is significantly cheaper than a full roof replacement or major emergency repair.

Myth 4: “Waiting to fix issues saves money.”

  • Reality: Delaying repairs allows damage to spread, affecting insulation, energy costs, and interior building materials.

Myth 5: “Any roofer can maintain any type of roof.”

  • Reality: Different roof materials (like metal, shingles, or asphalt) require specific skills and tools. Not all roofing companies have the expertise to assess and repair every roof type.

Answering Top Questions from Building Owners

When it comes to roof maintenance, we know property owners and managers have a lot of questions, and getting clear answers can help you make confident, informed decisions. Here are some of the most common questions we hear—and what you need to know.

How often should my roof be inspected?
Twice per year—once in the spring and once in the fall—plus after major storms or extreme weather events.

What should I look for during an inspection?
Keep an eye out for signs of damage, clogged drains, cracks in sealant, pooling water, and signs of roof membrane deterioration. However, the best inspections are performed by a professional. It can be difficult to spot the subtle signs of damage, and it can be unsafe to conduct a roofing inspection without proper safety measures and training. 

Who should perform the maintenance?
A qualified commercial roofing partner with experience in inspections, repairs, and reporting, like Maxwell Roofing.

Can I perform maintenance myself?
It’s best to leave inspections and repairs to a professional to avoid safety risks and ensure warranty compliance.

Partnering with Maxwell Roofing

We understand the unique challenges property owners and managers face in maintaining their commercial buildings. For nearly 70 years, we’ve been the most trusted name in commercial roofing in Tennessee and Alabama and the recognized standard in quality and customer service. Let us help you keep your commercial roof in top shape and provide you with the peace of mind you deserve. Contact us today to discuss your specific needs and learn how we can become an extension of your property management team.

The Ultimate Guide to Commercial Roof Leak Detection and Prevention

A leaking roof is every commercial building owner or property manager’s worst nightmare. Even small leaks can lead to major problems, compromising the safety of your building, decreasing property value, and even causing structural damage over time. But you might be surprised to learn just how frequently roof leaks occur in commercial buildings. 

According to Buildings.com, water intrusion is the number one cause of building damage, and Facility Executive reports that over 40% of commercial buildings will experience a leak each year.

The good news is, they don’t have to be a major headache if you have a solid plan in place to deal with them. At Maxwell Roofing, we’ve repaired thousands of roof leaks for commercial properties across Nashville and Northern Alabama—and we’ve seen just about everything. That’s why we created this guide: to give you a practical, straightforward approach to roof leak detection, response, and prevention.

Common Causes of Commercial Roof Leaks

Roof leaks don’t always start with a dramatic storm or major event. Many develop slowly over time due to wear, tear, and overlooked damage. Here are some of the most common causes of commercial roof leaks:

  • Punctures, tears, or cuts in roofing membranes
  • Failed seals around rooftop penetrations in low-slope roofs
  • Deteriorated flashing around rooftop equipment, skylights, drains, and walls
  • Poor drainage or blocked drains that lead to standing water
  • Cracks or gaps in metal components or corners.
  • Age-related deterioration of roofing materials
  • Damage from rooftop HVAC units or foot traffic
  • Leaks not related to the roof, like damaged siding or plumbing issues near the roofline

Want a deeper dive? Check out our blog on the most common causes of commercial roof leaks.

Signs Your Commercial Roof Has a Leak

While some roof leaks are obvious (like a steady drip or water pouring in during a storm), most are much more subtle. That’s why property managers need to remain alert and keep an eye out for the red flags of roof repair.

Here are a few red flags to watch for:

    • Stained ceiling tiles or interior walls
    • Water pooling on the floor or near walls
    • Dripping water during or after a rainstorm
    • Exterior wall stains or bubbling paint

Catching these signs early can save you from expensive repairs or even a full roof replacement.

Need help identifying whether or not you have a roofing issue? Here are six warning signs your commercial roof might need attention

What to Do When You Spot a Leak

If you think your building has a leak, time is of the essence. Here’s what to do right away:

  1. Close off the affected area. Prevent slip hazards and damage to equipment or furnishings.
  2. Clean up any visible water. Use towels, wet vacs, or dryers to remove moisture.
  3. Contact your building’s insurance provider. File a report if necessary.
  4. Call a trusted roofing contractor—ideally one that offers 24/7 service—to diagnose and repair the leak.

 Not sure who to call? Here’s how to choose the right roofing company for your repair.

How Maxwell Roofing Detects and Repairs Leaks

At Maxwell Roofing, we approach every leak with a clear process:

1. Detailed Roof Inspection & Targeted Search

We start with an interior inspection to locate the source and extent of the leak. From there, we examine the roof in the affected area. Sometimes the source is obvious, but water can travel along slopes and structures, so we always take the time to investigate the full roof system and materials.

2. Determine the Best Repair Strategy

Once we identify the source of a leak, we take time to walk through repair options with our clients. Our team focuses on making fast, accurate fixes while ensuring the solution is right for the specific roof system. Whether that means sealing small punctures, replacing damaged components, or resealing flashing, we handle each repair with care and precision—no shortcuts, just solutions that last.

3. Prevent Future Issues

Once the repair is complete, we often apply a protective sealant to the surrounding area and recommend a preventative maintenance plan to keep the problem from coming back.

What makes our approach unique? It’s really about how we treat our customers. Learn more about Maxwell’s commitment to customers

​​How to Prevent Future Roofing Leaks

Preventing leaks isn’t just about damage control—it’s about protecting your investment and avoiding emergency costs.

1. Schedule Regular Inspections

We recommend conducting a detailed roof inspection at least twice a year, ideally during the spring and/or fall. Seasonal shifts can stress your roof, especially in areas like Middle Tennessee or Northern Alabama, where the weather can change fast.

2. Address Minor Leaks Early

It’s easy to ignore a leak that only shows up “every now and then.” But even occasional leaks can saturate your roof system and lead to major damage over time. Once moisture gets in, the only fix may be cutting out and replacing the affected materials. Don’t wait—act quickly.

3. Invest in Preventative Maintenance

Routine maintenance helps identify and fix small problems, like clogged drains or aging materials, before they lead to serious leaks. Maxwell offers customized maintenance plans for every building type and budget.

Want to take it a step further? Check out these five tips for commercial roof leak prevention.

Can I Fix a Leak Myself?

We get this question a lot, and understand the impulse to grab some caulk and give it a go. While that might help in an emergency, DIY fixes are only temporary. Most caulks degrade quickly when exposed to the elements, especially on flat commercial roofs.

Also, be careful: attempting your own repair can void your manufacturer’s warranty. To ensure a long-lasting, warrantable fix, it’s always best to call a trained commercial roofing professional.

Ready for Peace of Mind?

Roof leaks are never fun, but they don’t have to be a nightmare. With the right knowledge and a proactive plan, you can protect your building, your people, and your budget.

If you’re in the Middle Tennessee or Northern Alabama area, Maxwell Roofing is here to help. We offer 24/7 emergency repairs and tailored roof maintenance plans built to fit your property’s needs.

Contact Maxwell Roofing today to schedule an inspection or get started on your leak prevention plan.