How to Properly Diagnose and Fix a Leaking Skylight: A Guide from Moore Skylights Inc.
- mooreskylights
- Apr 1
- 3 min read
When it comes to skylights, a leaking unit can be a frustrating issue for homeowners. But how can you determine whether your skylight needs a simple repair or a complete replacement? At Moore Skylights Inc., we have years of expertise in handling skylight issues, and we’re here to help you understand the signs of a leaking skylight and the best course of action.
Common Skylight Problems: Repair or Replace?
With a leaking skylight there are two options, repair it or replace it. The key to solving bothe of these issues lie in understanding the age of the skylight, the materials it’s made from, and the installation method. Here's how to know what the right option is best for you.
Skylights Under 10 Years: Glass Units and Curb Mount Skylights
If your skylight is a curb mount glass unit and is under the 10 year mark, chances are it can be repaired. These skylights are typically built with durable materials that can withstand the test of time. Occasional leaks do happen but most of the time it's installation error or sub par materials being used. At Moore Skylights Inc., we specialize in repairing the seal to the roof, which includes:
New ice and water membrane
New shingles
New flashings
Interior spray foam
New curb seat
After these repairs, we can re-install the existing skylight, ensuring a solid, leak-proof seal that will last for many more years. We will also give you a full 10 year warranty on our work.
Skylights: Acrylic Dome Skylights
If your skylight is an acrylic dome skylight, a replacement is the best option. Acrylic domes are typically sealed with caulking around the edges of the unit and under the frame to keep them sealed to the roof. After a few years the material becomes brittle and prone to cracking. This makes repairing the skylight challenging. When attempting to remove the acrylic dome for a repair, the unit will crack due to the caulking holding it down to the roof. If the flange that holds the unit to the roof was metal this wouldn't be an issue but since the flange is plastic it will crack under pressure when its removed from the roof.
If your acrylic dome skylight is leaking, trying to seal it with caulk or sealant might provide a temporary fix—but it’s usually only effective for a few weeks to months at best. We highly recommend replacing older acrylic dome skylights with new glass skylights.
If budget is a concern, it’s better to tarp the skylight vs caulk it until you can afford a proper replacement. This will prevent further water damage and protect your home until you're ready to invest in a more permanent fix.
Why Replace Older Acrylic Dome Skylights?
Acrylic dome skylights have become a popular choice for roofers and contractors as they are easy to install, but they have their limitations. The primary issue with acrylic skylights is that they are sealed to the roof or curb using caulking. Over time, the acrylic material becomes weakened by sun exposure, making it brittle and more susceptible to cracking what leads to leaks.
Attempting to repair or replace the acrylic dome without replacing the entire unit can often lead to more damage. In the long run, replacing the acrylic dome skylight with a more durable and energy-efficient option is the best decision for both your home’s functionality and aesthetics. VELUX glass curb mount skylights can just be unscrewed and put aside until the repair is completed and then re installed.
Conclusion: Trust Moore Skylights Inc. for Your Skylight Needs
(Fix a leaking skylight)
Whether your skylight needs a repair, replacement, or temporary tarp installed Moore Skylights Inc. is your trusted partner in solving any skylight issue. We understand the unique needs of various skylight types, makes, and models.
Our expert team can accurately diagnose the issue and provide you with the most cost-effective solution to restore your skylight’s functionality. We stand behind the quality of our work. Don’t let a leaking skylight ruin your home. Contact Moore Skylights Inc. today for professional, reliable, and long-lasting skylight solutions.
Contact Us:
Moore Skylights Inc.
647-618-0242
