May 5, 2025

5 Clear signs It’s Time For A Skylight Replacement

Skylight installation on home in Milford Michigan

Skylight replacements aren’t just a cosmetic upgrade—they’re often a necessary one. While a well-installed skylight can flood your home with natural light and boost its overall appeal, an aging or damaged one can lead to serious problems. Leaks, drafts, and energy inefficiency are just a few of the signs that your skylight may be doing more harm than good.

Because skylights are positioned overhead, issues can develop quietly until water stains, mold, or increased energy bills force you to take notice. Replacing a failing skylight early can prevent expensive damage and help maintain the comfort and value of your home.

With warmer months offering ideal weather conditions, now is the perfect time to explore whether a skylight replacement is the right move for your home.

1. Leaks or Water Stains Around the Skylight

One of the most obvious signs you need a skylight replacement is water infiltration. If you notice staining, damp drywall, peeling paint, or any sign of a leak near your skylight, don’t wait to act.

Skylights are vulnerable to flashing failures and seal breakdowns, especially as they age. Even small leaks can damage insulation, drywall, and structural components over time. Don’t assume it’s just “a little moisture”—leaks are your roof’s way of telling you it’s time for an inspection.

2. Foggy, Cloudy, or Discolored Glass

Have your skylights lost their sparkle? A foggy skylight or cloudy glass can signal a failed seal between glass panes. Most modern skylights are double- or triple-glazed with insulating gas between the panes. When seals fail, condensation builds up inside, leaving behind a hazy appearance that can’t be cleaned.

This not only looks bad, but it also reduces energy efficiency. If your skylight looks foggy or discolored, it’s often cheaper long-term to invest in a full skylight replacement rather than temporary repairs.

3. Drafts and Temperature Swings

Skylights should add comfort, not make your room hotter in the summer and colder in the winter. If you notice drafts, heat loss, or wild temperature fluctuations near the skylight, that’s a red flag.

Old or poorly insulated skylights can let in air, UV rays, and even increase heating and cooling costs. Newer skylight models are far more energy-efficient and may qualify for ENERGY STAR certification, meaning they meet strict energy performance standards.

BCM Roofing Skylight Replacement

4. Age of the Skylight

Even the best skylights won’t last forever. Most units are designed to last around 15–20 years. If yours is nearing or past that age—and especially if it’s showing any of the other signs listed here—it may be time to plan a skylight replacement.

New models offer major improvements in weather sealing, UV filtering, and noise reduction. Plus, today’s skylights often come with built-in blinds, remote operation, or solar-powered venting options that weren’t available 15 years ago.

5. You’re Already Replacing the Roof

If your roof is due for replacement, it’s the perfect time to replace your skylights too. Replacing a skylight after a new roof has been installed can damage shingles and add unnecessary labor. Most contractors recommend replacing skylights and roofing together to protect your investment and avoid future issues.

If your home is undergoing a roof replacement, ask about bundling in skylight replacement at the same time—it may even save you money on labor costs.

What to Expect During A Skylight Replacement

Replacing a skylight may sound intimidating, but the process is generally straightforward when handled by experienced professionals. Here’s what to expect:

Final Cleanup and Walkthrough: Your contractor will ensure your home is tidy and review the work with you before wrapping up.

Initial Inspection: A roofing expert will assess the condition of your current skylight and surrounding roof area to determine whether a replacement is necessary.

Product Selection: You’ll choose from available sizes, styles, and energy-efficient options that best fit your home and needs. Fixed skylights, vented skylights, and solar-powered models are all common choices.

Scheduling the Project: Most replacements are weather-dependent, so your contractor will plan for a clear day with minimal chance of rain.

Removal and Prep: The old skylight is carefully removed, and the opening is inspected for water damage, rot, or mold that might need repair.

Installation: The new skylight is fitted, sealed, and flashed to prevent future leaks. Depending on the complexity, the installation may include adjustments to framing or roof shingles.

Interior Finishing: If necessary, trim, drywall, or painting work will be completed around the interior ceiling where the skylight is visible.

Final Cleanup and Walkthrough: Your contractor will ensure your home is tidy and review the work with you before wrapping up.

Why Summer Is the Perfect Time for Skylight Replacement

When it comes to skylight replacement, timing matters—and summer offers several advantages that make it the best season to schedule your project.

  • Reliable Weather: Dry, sunny conditions minimize the chance of delays or complications during installation. Crews can work efficiently without the worry of rain sneaking in mid-project.
  • Immediate Light Benefits: Replacing your skylight in summer means you’ll enjoy brighter, longer days with improved natural light right away—perfect for making your home feel more open and refreshed.
  • Winter Prep: Michigan winters are no joke. Getting a new, well-sealed skylight installed now ensures your home stays protected from snow, ice, and cold-weather drafts before the seasons change.

How to Maintain Your New Skylight After Installation

Once your new skylight is installed, regular upkeep helps ensure it performs at its best for years to come. Here’s how to keep it looking great and functioning properly:

Clean the Glass Gently: Wipe the skylight with a soft cloth and mild soap a few times a year. Avoid abrasive materials that can scratch or damage the surface.

Watch for Debris: After storms or heavy winds, check for leaves or twigs collecting around the skylight. Debris can block drainage paths and lead to moisture issues.

Monitor for Moisture: Keep an eye out for condensation or fogging inside the glass. While some moisture can be normal, persistent buildup could signal a ventilation issue or the start of a seal failure.

Inspect Flashing and Seals: From the ground or with a professional’s help, look for signs of wear, lifting, or cracking around the skylight’s perimeter. Catching these issues early can prevent leaks.

Protect Against Heat: If your skylight allows too much heat in during summer months, consider UV-filtering film or blinds to regulate indoor temperatures and prevent fading.

If you notice any issues or just want peace of mind, BCM Roofing is here to help. Our team can inspect your skylight and roof, identify potential concerns, and take care of repairs or replacements before problems escalate.

Ready for a Skylight Replacement?

A damaged or aging skylight isn’t just an eyesore—it can lead to water intrusion, mold, insulation problems, and rising energy bills. Small issues like fogging or minor leaks may seem harmless at first, but they’re often early warning signs of more serious damage waiting to happen. The longer you wait, the higher the risk of interior damage and costly repairs.

If you’ve noticed any of the signs we’ve outlined—discoloration, drafts, leaks, or condensation—now’s the ideal time to take action. Summer offers the perfect conditions for skylight replacement, giving you a chance to seal up your home before the next season of rain, wind, or snow arrives.

At BCM Roofing, we offer professional skylight replacement services designed to protect your home and improve your comfort. Whether you’re replacing a leaky unit or upgrading to a more energy-efficient model, we’ll guide you through every step of the process—from inspection and product selection to expert installation and final cleanup.

Contact us today to schedule your free estimate. Let’s make your home brighter, more efficient, and worry-free—just in time for summer.

BCM Roofing installing custom skylight in Berkley Michigan

FAQs About Skylight Replacement

How long does a skylight replacement take?

Most skylight replacements take between 4–8 hours. Simple swaps can often be completed in a single day, especially if the existing opening is reused. More complex jobs—like changing skylight size, repairing surrounding roofing, or working on multi-story homes—may take a bit longer depending on access and weather conditions.

Can I replace a skylight without replacing my roof?

Yes, you can. If your roof is still in good shape and has several years of life left, a standalone skylight replacement is a perfectly viable option. However, if your roof is aging or due for replacement soon, it’s often more efficient and cost-effective to replace both at the same time to avoid redoing work later.

Are newer skylights more energy-efficient?

Absolutely. Today’s skylights are designed with advanced materials like low-E glass, multi-pane glazing, and built-in UV protection. These improvements help regulate indoor temperatures, reduce glare, and protect your furnishings from sun fading, saving you energy and enhancing home comfort.

Do all skylight issues mean it needs replacement?

Not necessarily. Some issues, like worn seals or minor condensation, can often be fixed with simple repairs. But if you’re seeing persistent leaks, drafts, discoloration, or cracked glass, it usually means the skylight has reached the end of its lifespan and replacement is the smarter choice.

Will a skylight replacement disrupt my home?

In most cases, the process is quick and non-invasive. Installers typically work from the roof, and if attic access isn’t needed, they won’t need to enter your living space at all. Any mess is usually limited to the work area and is cleaned up the same day, minimizing disruption to your routine.

Jake Jankowski