How to Fix a Leaking Skylight: A Guide to Repair and Prevention

Skylights are great for bringing in natural light, but they can also be one of the first places a leak appears. Over time, exposure to rain, UV rays, and shifting temperatures can wear out the seals around your skylight. That's why skylight leak issues are more common than you might think.


Ignoring a leaky skylight can lead to bigger problems like water damage, stained ceilings, mold growth, and even structural rot. That's why it's time to act fast! This guide walks you through spotting, fixing, and preventing skylight leak repair issues. Whether your skylight is leaking already or you want to avoid trouble in the future, you're in the right place.


Signs Your Skylight Is Leaking

It’s not always obvious at first. Sometimes, skylight leaks when it rains are mistaken for condensation or other minor issues. Keep an eye out for these warning signs:


  • Water stains around the skylight
  • Dripping during or after rain
  • Peeling paint or bubbling drywall near the opening
  • Musty smells or visible mold
  • Warped wood or trim


Common Causes of Skylight Leaks

Leaks about skylights can be due to several different things. Knowing the source is key to getting it fixed properly.


  • Worn or cracked skylight sealant
  • Damaged flashing around the skylight
  • Improper installation
  • Age-related wear and tear
  • Blocked gutters or gutter replacement needs nearby


Step-by-Step: How to Fix a Leaking Skylight


1. Inspect the Skylight and Roof Area

Look for cracked shingles, loose flashing, or gaps in the seal. Don’t forget to check nearby valleys or transitions.


2. Clean the Area Thoroughly

Debris and grime can prevent skylight sealing products from sticking. Clear away leaves, dust, and buildup.


3. Apply New Skylight Sealant

Use a high-quality, weatherproof skylight sealant to fill gaps or cracks. If you're sealing a skylight from the inside, make sure you’re also addressing the root of the issue outside.


4. Replace Damaged Flashing or Roofing Materials

If the leak persists, you may need to replace flashing or surrounding roof shingles. This is also a good time to check for proper underlayment, such as TPO roofing or EPDM roofing material.



When to Call a Professional

DIY isn’t always enough. Some skylight leaks need a professional touch to fix properly. Call a pro if:


  • The leak keeps coming back
  • You notice mold or structural damage
  • The skylight is older and breaking down
  • You’re unsure how to do the repair safely
  • The job requires a contractor lien waiver or formal documentation


How to Prevent Future Skylight Leaks

Want to keep your skylight in good shape year-round? Here’s how:


  • Have your roof inspected annually
  • Use high-quality skylight sealant
  • Clean your skylight and roof regularly
  • Make sure nearby gutters are clear
  • Schedule regular maintenance or roof tune up cost services


Stay Dry and Protected with AMP Restoration & Roofing

Is your skylight leaking? No one should deal with soggy ceilings or mold because of a tiny leak. At AMP Restoration & Roofing, we understand how important it is to protect your home from the top down. Whether it's sealing, flashing, or full skylight leak repair, we've got your back. Contact AMP Restoration & Roofing—your trusted expert for skylight repairs and leak prevention.


CALL US TODAY

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