Yes. Water reaching the wiring can cause a short circuit or a shock, and arcing in a wet fixture is a fire risk. Turn the circuit off at the breaker and leave it off until the fixture has dried out and been checked.
Get My Free Estimate →Water coming through a ceiling light means water has pooled above the ceiling and found the hole cut for the fixture. Turn off that circuit at the breaker first, then find the source.
On a top-floor ceiling, the source is usually the roof or the attic. Buckshot traces and repairs these leaks across Madison from our office on North Sherman Avenue, and our emergency roof repair line is answered 24/7.
What to do right now
- Turn off the circuit at the breaker. Do not flip the wall switch to test the light, because the switch alone does not make a wet fixture safe.
- Keep clear of the fixture. Do not touch it or take it down, and keep people and pets out from under a ceiling that sags or bulges.
- Catch the water. Put a bucket and towels under the drip, and move furniture, rugs and electronics out of the way.
- Note the conditions. Heavy rain, a thaw after snow, a sunny morning after a cold spell or a recent shower each points to a different source.
- Photograph everything. Date-stamped photos of the ceiling and the fixture help with an insurance claim later.
- Leave the light off. Keep the circuit off until the fixture and ceiling have dried out and been checked.
Why the water comes out of the light
A ceiling holds water like a shallow tray until the water finds an opening. The electrical box for a light is a hole in that tray, so water that reaches the top of the drywall or plaster runs to it and drips out.
The leak above can sit several feet away. Water runs along rafters, joists and the top of the ceiling before it drops, and our guide to water stains on the ceiling explains how leaks travel.
What the timing tells you
When the water appears is the fastest way to narrow down where it comes from.
| When it drips | Likely source | Where to look |
|---|---|---|
| During or after heavy or wind-driven rain | A roof leak at flashing, a vent boot or damaged shingles | The attic directly above the light and uphill from it |
| During a thaw after snow, often near an outside wall | An ice dam pushing meltwater under the shingles | Ice along the eaves |
| On a sunny morning after a cold spell, with no rain | Frost in the attic melting all at once | Frost on the nails and the underside of the roof deck |
| After showers, in a light near the bathroom | A bath fan venting into the attic, or a duct dripping condensation | The bath fan duct in the attic |
| After a windy snowstorm | Snow blown in through a roof or gable vent | Snow on the insulation under the vents |
| With a bathroom or kitchen above the light instead of an attic | Water from the floor above rather than the roof | The room above |
Roof leaks after rain
A drip that starts during heavy rain and stops soon after usually means water is getting past the roofing. The usual entry points are flashing at a chimney, wall or skylight, a cracked rubber boot around a vent pipe, and lifted or missing shingles.
From the attic, look above the light and then uphill along the rafters for wet insulation, dark stains on the roof deck and drips on nail tips. Our guides to roof leaks in heavy rain and a roof vent leaking explain why some leaks appear only in storms.
Winter leaks without rain
Ice dams cause many winter leaks. Heat escaping into the attic melts snow on the roof, the water refreezes at the cold eave, and the meltwater backs up under the shingles, often dripping from a light near an outside wall, as our guide to ice dams in Wisconsin explains.
Attic frost works differently. Moist house air leaks into the attic, freezes on the cold roof deck, and melts all at once on a sunny day, which our guide to frost in the attic covers in detail.
A recessed can light that is not sealed is itself one of those air leaks, so frost often builds right above it. After a windy storm, snow blown in through a vent can also melt through, which our guide to snow in the attic covers.
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Lights near the bathroom
A bath fan that vents into the attic, or through a duct with no insulation, sends shower moisture into the coldest part of the house. In winter that moisture condenses or freezes, then runs back down the duct or drips onto the ceiling near the fan.
A light that drips after showers, close to the bathroom, points here. The fix is a sealed, insulated duct run outside to a vent cap on the roof or wall, and our guide to a bathroom fan venting into the attic shows how it is done.
Water coming through a light now? Call (608) 909-9109. A real person answers 24/7, and our crew is typically on site in about 2 hours to stop the water.
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How the source is found and fixed
- Trace it from the attic. Wet insulation, stains on the deck and drips on nail tips are followed uphill from the light to the entry point.
- Stop the water. If water is still coming in, the roof is tarped or temporarily sealed, as our guide to emergency tarping describes.
- Repair the entry point. Flashing is rebuilt, a cracked vent boot is replaced or damaged shingles are replaced.
- Clear the ice. Our ice dam removal crews respond within 2 hours and use low-pressure steam that protects the roofing.
- Fix the cause behind winter leaks. Bath fan ducts are run outside, and our attic ventilation crews balance intake and exhaust so the roof deck stays cold.
Our Madison roof repair crews find the real entry point before quoting a repair. Let the ceiling dry out fully before it is patched or painted.
Does insurance cover water through a light?
It depends on the cause. Sudden damage, such as wind lifting shingles or a tree limb through the roof, is usually covered, while leaks from wear and age usually are not.
Photograph the damage before cleanup and read your own policy. Our insurance claims team documents roof damage in the format adjusters ask for.
Get the leak traced
Buckshot Exteriors is family-owned, has served homeowners since 1979, and is headquartered on North Sherman Avenue in Madison. Our own crews trace leaks to the source and repair the roof, flashing, vents and attic ventilation behind them.
Call (608) 909-9109 if water is coming in now, because the line is answered 24/7. For a leak that has stopped, schedule a free roof leak inspection at the same number, or send us a message and we will set a time.
Get a straight answer on your Madison roof
Wisconsin storm season and insurance non-renewal letters do not wait. Get a free, no-obligation inspection and an honest assessment of exactly what your roof needs, even if the answer is to wait.