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Storm Damage to Skylights: Risks and Repair Options

Last updated October 25, 2026

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The short answer

What Storm Damage Does to Skylights

High winds, hail, and flying debris can crack the glass or acrylic dome, loosen the flashing, or tear the sealant around the frame. Even a hairline crack lets rainwater in during the next storm. Water then travels down the roof deck, into the attic, and along rafters, causing drywall stains and wood rot.

The risk is not just a leak. A compromised skylight can weaken the roof structure if water soaks the plywood or framing. In a humid subtropical climate with hot rainy summers and an Atlantic hurricane season, moisture can linger and promote mold growth. You should act quickly to limit the spread of water.

  • Cracked glass or acrylic dome
  • Loose or bent flashing around the base
  • Torn or dried-out sealant
  • Water stains on ceiling or attic walls
  • Wet insulation or rotting wood
  • Visible daylight through the skylight frame

Immediate Steps to Limit Water Damage

Your first move is to stop water from spreading inside. Place a bucket or large container under the leak. Remove any furniture or valuables from the area.

For a temporary fix, you can cover the skylight from the outside with a tarp and secure it with boards or heavy objects. This keeps rain out until a proper repair is done. Do not use tape or caulk as a permanent solution; they will fail under UV light and weather.

If water has already soaked into drywall or insulation, you need to dry the area quickly. Open windows and use fans to circulate air. If you have a dehumidifier, run it. The longer materials stay wet, the higher the risk of mold and structural damage. A water damage inspection can help you understand the full extent.

Temporary Patch vs Permanent Repair

A temporary patch, like a tarp or a piece of plywood, is a stopgap. It buys you time but does not restore the skylight's integrity. Permanent repair means replacing the damaged dome or glass, resealing the flashing, and ensuring the frame is watertight. The right choice depends on the severity of the damage and your roof's condition.

If the skylight is old or the frame is warped, replacement is often better than a patch. A new skylight with impact-resistant glazing can withstand future storms. If the damage is minor, like a small crack, a professional may be able to replace just the glazing or reseal the edges.

Consider the age of your roof. If the roof is near the end of its life, a full roof replacement might be more cost-effective than repairing the skylight alone. A roofer or water damage pro can assess both the skylight and the surrounding roof structure to give you a clear picture.

Repair Options for Damaged Skylights

The main repair options are: resealing the flashing, replacing the glazing, or installing a whole new skylight unit. Resealing works if the frame is intact but the sealant has failed. Replacing the glazing is for cracked or shattered domes. A full replacement is needed if the frame is bent or rusted.

Each option has different costs. Costs often range from a few hundred dollars for resealing to several thousand for a full replacement, depending on the skylight size, type, and your roof's pitch. The final price also depends on labor rates in your area and whether any underlying water damage needs repair.

  • Reseal flashing and joints
  • Replace cracked glazing or dome
  • Install a new skylight unit
  • Repair rotted roof decking
  • Replace wet insulation in the attic
  • Patch and repaint damaged drywall

When to Call a Professional

If you see significant structural damage, like a sagging roof or a large hole, do not attempt repairs yourself. Walking on a damaged roof is dangerous. If water has soaked into drywall or insulation, you need proper drying and mold prevention. A water damage pro can handle the cleanup and restoration.

For skylight replacement, a roofer or a general contractor with roofing experience is the right choice. They can match the new skylight to your roof and ensure it is properly flashed. If you have attic water damage, consider attic water damage repair services. If the roof leak is extensive, roof leak repair and water damage mitigation may be needed.

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Frequently asked questions

Can I just patch a cracked skylight with sealant?

Sealant alone is not a lasting fix for a cracked skylight. It may stop a leak temporarily, but temperature changes and UV light will cause it to fail. You need a proper repair, like replacing the glazing or resealing the flashing, to keep water out.

How do I know if the skylight frame is damaged?

Look for bent metal, rust, or gaps between the frame and the roof. If the frame is warped, it cannot hold the glazing tightly. A professional can inspect the frame and tell you if a full replacement is necessary.

Will my insurance cover skylight storm damage?

Policies vary, and your insurer decides what is covered. Storm damage is often covered, but it depends on your policy's terms and deductibles. Check your policy documents and ask your insurance company directly about your specific situation.

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