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6 Commercial Roof Leak Repair Tips for 2024

| 5-minutes Read

Dealing with a leaky roof can be a headache for any commercial property owner. Not only can roof leaks lead to water damage and disruption to business operations, but they can also be costly to repair if not addressed promptly. Fortunately, there are several steps you can take to identify and repair roof leaks before they escalate into larger issues. In this guide, we’ll share six commercial roof leak repair tips to help you keep your building watertight and protect your investment. 

6 Commercial Roof Leak Repair Tips

Inside this blog:

  • The 6 top commercial roof leak repair tips you should know
  • Directions for how to carry out each repair tip effectively
  • When it’s the right time to bring in the professionals to do the repair work

Keep reading to discover all you need to know about commercial roof leak repair so you can ensure your commercial property stays dry all year round!

🔍 1. Regular Inspections Are Key


The first step in preventing and repairing roof leaks is to conduct regular inspections of your commercial roof. By identifying and addressing potential issues early on, you can prevent minor leaks from turning into major headaches. Here are some key points to consider during your roof inspections:

  • Check for Signs of Damage: Look for signs of damage such as cracked or missing shingles, deteriorated flashing, or pooling water on the roof surface.
  • Inspect Roof Penetrations: Pay close attention to areas where the roof is penetrated by vents, chimneys, or HVAC units, as these are common sources of leaks.
  • Examine Interior Spaces: Inspect the interior of your building for signs of water stains, mold growth, or musty odors, as these can indicate hidden leaks.

🌊 2. Address Drainage Issues Promptly

Proper drainage is essential for preventing water from pooling on your commercial roof and causing leaks. Here are some tips for addressing drainage issues:

  • Clear Debris from Drains and Gutters: Regularly clean debris such as leaves, branches, and debris from your roof drains and gutters to ensure proper water flow.
  • Install Additional Drains: Consider installing additional roof drains or scuppers to improve water drainage on flat or low-slope roofs.
  • Check for Ponding Water: Regularly inspect your roof for areas where water is pooling, as this can indicate drainage issues that need to be addressed.

💧 3. Repair Flashing and Sealants

Flashing and sealants are critical components of your commercial roof system that help prevent water infiltration around penetrations and seams. Here’s how to repair flashing and sealants:

  • Inspect Flashing for Damage: Check flashing around vents, chimneys, and other penetrations for signs of damage or deterioration, such as rust or corrosion.
  • Replace Damaged Sealants: If you notice cracked or dried-out sealant around roof penetrations or seams, remove the old sealant and replace it with a new, waterproof sealant.
  • Ensure Proper Adhesion: When applying new sealant or flashing, ensure that it is properly adhered to the roof surface and penetrations to create a watertight seal.

🛠️ 4. Patch Roof Leaks Immediately

If you discover a roof leak, it’s essential to patch it immediately to prevent further damage to your building. Here’s how to patch roof leaks:

  • Locate the Source of the Leak: Use a flashlight to inspect the interior of your building for signs of water stains or dripping water, then trace the source of the leak back to the roof surface.
  • Clean and Dry the Area: Thoroughly clean and dry the area around the leak before applying any patching materials to ensure proper adhesion.
  • Apply Roof Patching Material: Use a roofing patching material such as roof cement or silicone sealant to patch the leak, making sure to cover the entire area and create a watertight seal.

👷 5. Consider Professional Roof Repairs


While some roof repairs can be tackled DIY-style, complex or extensive repairs may require the expertise of a professional roofing contractor. Here’s why you should consider hiring a professional for your roof repairs:

  • Experience and Expertise: Professional roofing contractors have the knowledge and experience to accurately diagnose and repair roof leaks, ensuring that the problem is addressed effectively.
  • Safety: Roof repairs can be dangerous, especially on commercial buildings with high roofs or steep slopes. Professional roofers have the necessary safety equipment and training to work safely at heights and minimize the risk of accidents or injuries.
  • Quality Workmanship: Hiring a professional ensures that your roof repairs are done correctly the first time, preventing the need for costly rework or further repairs down the line.

🗓️ 6. Schedule Regular Roof Maintenance

Prevention is always better than cure when it comes to roof leaks. By scheduling regular roof maintenance with a professional roofing contractor, you can identify and address potential issues before they escalate into costly repairs. Here’s what to include in your roof maintenance plan:

  • Annual Inspections: Schedule annual roof inspections with a professional roofing contractor to identify and address any potential issues before they become major problems.
  • Routine Maintenance: Perform routine maintenance tasks such as cleaning debris from drains and gutters, inspecting flashing and sealants, and repairing minor damage promptly.
  • Document Repairs: Keep detailed records of any repairs or maintenance performed on your roof, including the date, scope of work, and contractor information, to track the condition of your roof over time.

Combat Commercial Roof Leaks With Confidence

By following these commercial roof leak repair tips and staying proactive with your roof maintenance, you can keep your commercial building watertight and protected for years to come. Whether you’re conducting regular inspections, addressing drainage issues, or patching roof leaks, taking proactive steps to maintain your roof can save you time, money, and headaches in the long run. So don’t let roof leaks rain on your parade—take action today to keep your commercial roof in top condition and protect your investment. 

Reach out to our expert roofers at Premiere Roofing & Gutters today and we’ll ensure you have a roof that’s resilient and beautiful for years to come. We can’t wait to answer your questions and hear about your vision for your next roofing project!

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