Reasons Your Skylight Might Be Leaking

Home Maintenance
Skylight providing natural light to a plant and a room

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    Skylights can be a great addition to any home, providing natural light and amazing views. However, if your skylight is leaking, it can quickly become a frustrating and potentially costly problem. There are various reasons why your skylight might be leaking, ranging from installation issues to weather damage.

    Are you dealing with a pesky skylight leak in your home? Don’t worry, this article provides some insight on the typical culprits behind these irritating incidents and how to ensure watertightness in the future. Keep reading to get a handle on what steps you can take to safeguard against further leakage!

    Poor Installation

    Poor installation is one of the most common reasons why skylights leak. If your skylight was not installed correctly, you may experience leaks or drafts around the edges of the window. Improper installation can also cause condensation to build up on the glass, which can eventually lead to water damage and other issues.

    To avoid these problems, it is important to hire a professional who has experience in installing skylights. They will know how to properly flash and seal the window so that it fits tightly against the roof and won’t allow moisture inside. It is also important to use high-quality materials during installation, which can help prevent future leaks from developing.

    If you are experiencing a leaky skylight due to poor installation, it is important to address it as soon as possible. Ignoring this problem could lead to costly repairs down the line and even compromise your home’s structural integrity over time. By taking action now and working with an experienced professional, you can ensure that your skylight remains a valuable addition to your home for years to come.

    Damage to the Roof Around the Skylight

    Damage to the roof around the skylight is a common cause of leaks. One reason for this issue may be due to improper installation. When skylights are not fitted correctly, gaps can appear between the flashing and the roofing material, leading to water seeping through and causing damage.

    Weather-related wear and tear can also contribute to damage around skylights over time. Heavy rain, wind, hail or extreme heat can weaken roofing materials surrounding skylights making them more susceptible to leaks. If left unchecked over a long period without proper maintenance or repairs, these little issues can develop into major problems that require costly fixes.

    An Issue with the Flashing used to Seal the Skylight

    One common reason for skylight leaks is an issue with the flashing used to seal the skylight. Flashing is a thin material, typically made of metal or rubber, that creates a water-resistant barrier around the edges of the skylight and prevents rainwater from seeping through. If the flashing becomes damaged or worn over time, it can allow water to penetrate into your home.

    Improper installation can also contribute to issues with flashing and cause leaks in your skylight. It’s important to hire a professional contractor who has experience installing skylights and understands how to properly flash them in order to prevent any future problems. If you’re experiencing issues with your current skylight, it might be worth having it inspected by a professional contractor who can assess any damage or necessary repairs needed including addressing any problems with the flashing as this will help ensure that your home remains protected from water damage in the long term.

    Neglecting Regular Maintenace

    Neglecting regular maintenance is one of the main reasons why skylights start leaking. Over time, dirt, debris and other materials can accumulate on the surface of your skylight which may compromise its sealing capabilities. If left unattended for too long, these substances could lead to cracks in the sealant and around the edges of your skylight frame, causing water to seep through during heavy rainfall. Similarly, if you fail to clean your gutters on a regular basis or leave them clogged with debris for extended periods of time, it can cause water to overflow onto your roof and potentially toward your skylight.

    Another important aspect when it comes to maintaining a leak-proof skylight is keeping an eye on its flashing system. Flashing refers to metal strips used around areas where two different surfaces meet – such as between the roof shingles and the frame of a skylight – in order to provide extra protection against moisture infiltration. However, if flashing is not properly installed or becomes worn out over time due to adverse weather conditions or age deterioration; then it may eventually allow water into your home via its poorly sealed gaps.

    Improperly Caulked Seams

    Improperly caulked seams are a common source of skylight leaks and can cause serious damage if left unaddressed. Caulk is typically used to seal gaps between the roofing material and the skylight frame, as well as around flashing and any other joints or intersections where water might seep in. If this caulk fails or was improperly applied during installation, it can allow moisture to penetrate into your home.

    One way to identify whether your skylight has an improperly caulked seam is by checking for visible cracks or gaps in the caulking material. You may also notice water stains on your ceiling near the skylight itself, which could indicate that water has been leaking through for some time. To fix this issue, you will need to remove any old caulking material and apply new, high-quality sealant properly.

    While repairing an improperly caulked seam may seem like a simple task, it’s important to note that DIY attempts may not always be effective in preventing further leaks. For optimal results, it’s best to hire a professional roofing contractor who can assess all potential sources of leaks and provide comprehensive repairs tailored specifically for your skylight setup.


    It is important to address any leaks in your skylight as soon as possible to prevent further damage and expenses. By identifying the root cause of the leak, you can take appropriate measures to repair or replace damaged parts. It may be necessary to hire a professional to perform repairs or replacement if you are not experienced in working with roofing materials.

    By addressing skylight leaks promptly and taking preventative measures, you can enjoy all the benefits of natural light in your home without worrying about water damage. Don’t hesitate to reach out for professional assistance from Divided Sky; investing time and resources now will save you headaches down the line.

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