Essential Skylight Replacement and Repair Tips for Commercial Buildings

Kathleen Maxwell | February 5, 2025

skylights scattered across commercial roof

Skylights can be a beautiful addition to a commercial building, providing natural light and enhancing the overall aesthetic. However, they can also be a source of headaches if they start to leak or become damaged. As a property manager or building owner, it’s important to understand the signs that your skylights may need attention and know what to do about it. 

At Maxwell Roofing, we’ve been handling roofing projects for nearly 70 years, including dozens of skylight installations and repairs across Tennessee and Alabama. In this article, we’ll discuss some of the most common questions we receive about skylight repair and replacement.

FAQs: Commercial Skylight Repair and Replacement

1. How Often Do Skylights Need to Be Replaced?

The lifespan of a skylight can vary based on its material and how well it’s maintained. Acrylic skylights generally last between seven to ten years. Higher-end models might last even longer with regular check-ups. However, if your skylights have been through a lot of severe weather or were installed poorly, they might need replacement sooner. Regular inspections are key to catching problems early.

2. How Do I Know if My Skylight Needs Repair or Replacement?

Determining whether your skylight needs repair or replacement can be complex, which is why working with an experienced roofing contractor is crucial. At Maxwell Roofing, we guide our clients through all considerations—both long-term and short-term—but here are some tell-tale signs that your skylight might need attention:

  • Leaks: Look for discoloration, bubbling, or peeling around the skylight, which indicates broken seals.
  • Cracks: Visible cracks or chips suggest that replacement is necessary to prevent leaks and drafts.

3. What Causes a Skylight to Leak and How Do You Fix It?

In Tennessee and Alabama, leaks in skylights are often caused by severe weather conditions and poor installations. Heavy rain, strong winds, and fluctuating temperatures can wear out skylight seals. To fix a leak, you need to identify the exact cause—whether it’s a damaged seal, cracked glass, or installation issues. Our team at Maxwell Roofing can pinpoint the problem and get it sorted out to keep your skylight watertight.

4. Can You Replace Skylights Without Replacing the Roof?

Yes, skylights can often be replaced without needing to replace the entire roof. However, the success of this process depends on the condition of the existing roof and the quality of the skylight installation. It’s important to ensure that the new skylight integrates well with the existing roofing system to prevent future issues.

5. Do You Need a Roofer to Replace Skylights?

While replacing a skylight might seem like a straightforward task, it’s best handled by professionals. A qualified roofing contractor ensures that the skylight is properly installed, which is crucial for preventing leaks and other issues. Additionally, if your skylight replacement is covered under warranty, working with a roofer can help manage any warranty-related concerns.

6. What Factors Should We Consider When Replacing a Skylight?

Skylight technology has come a long way, and there are some great new features to look for:

  • Condensation Channels: High-quality skylights often come with built-in channels that direct water away from the frame, helping prevent leaks.
  • Impact-Modified Acrylic: This material is stronger than traditional acrylic and is now standard for many skylights.
  • Polycarbonate: This high-end material is tougher and more UV-resistant than acrylic, making it a great choice for durability.
  • Photovoltaic Film: Some skylights now include photovoltaic film, which lets you control the amount of light entering your building.

7. How Do You Manage Replacing a Skylight If the Building Still Needs to Be Operational?

Replacing a skylight while the building is in operation can be challenging. However, with careful planning and coordination, it can be done. Whether it’s scheduling work during off-peak hours or using temporary coverings to minimize disruptions to your business operations, there are a variety of techniques to protect your building during the replacement process.

8. What Other Important Considerations Should We Keep in Mind About Skylights?

One important aspect to consider is safety. Skylights can pose safety risks, especially if they are on rooftops that are frequently accessed. Installing skylight guards or safety rails is a proactive measure to prevent accidental falls and protect your building’s occupants. Ensuring that these safety features are in place is crucial for maintaining a safe working environment and complying with safety regulations.

Your Trusted Partner for Skylight Roofing Solutions

At Maxwell Roofing, we take pride in our reputation as a reliable roofing contractor in Nashville and Huntsville. Our decades of experience with skylights and roofing challenges mean we’re well-equipped to handle your needs, no matter how complex.

If you have questions about your skylight or need professional help, don’t hesitate to give us a call. We’re here to ensure your building stays bright, efficient, and leak-free.


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