How to fix a leaking skylight after rain
Water leaks around a skylight during a windy rainstorm are typically caused by a compromised seal or flashing at the top of the frame. Inspecting the roof helps identify whether the seal has failed or if additional flashing like a cricket is needed to divert water away from the opening.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1tarping the skylight up to the ridge with sandbags as a temporary fix
- 2replacing the skylight and flashing it correctly
- 3Replacing the head wall flashing with a much larger piece
- 4Building a cricket
- 5Building up the curb and using a custom metal cap or EPDM rubber membrane to cover the seam
In their words
Unedited, most upvoted first, each linked to the thread it came from.
Where this came up
People with this problem also raised
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- 6How to temporarily waterproof a damaged roof until replacement
- 10HVAC lineset leaking through the roof
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- 6How to fix cement fiber siding touching roof shingles