Water is dripping through the ceiling, the storm is still going, and the roof is the last place you can reach right now, so what do you actually do first? Knowing what to do when your roof leaks comes down to an order of operations: keep people safe, limit what the water touches inside, record everything, and only then work out where it is getting in. The steps below follow that order, written for Lewisville homes, where the trouble usually arrives with a spring thunderstorm.
None of these steps involve climbing onto the roof. A wet, storm-beaten roof is slick and still taking wind, and a fall turns a repair bill into a hospital visit. Everything below happens inside the house, in the attic or on the ground.
Step 1: Make the room safe before you touch the water
The first job is electrical safety, because water coming through a ceiling can run along wiring, light fixtures and ceiling fans. If water is dripping from or near a fixture, switch that circuit off at the breaker panel, as long as you can reach the panel without standing in water. Ready.gov's flood guidance is blunt on the point: do not touch electrical equipment if it is wet or if you are standing in water.
Then look up. A ceiling that bulges downward is holding water in the drywall and can let go all at once, so keep people and pets out from under it. Poking a small hole at the lowest point of the bulge, with a bucket directly underneath, lets the water drain in a controlled stream instead. Only do this from a stable stepladder, away from any fixture, with the circuit off.
Step 2: Contain the water and protect what sits underneath
Containing a roof leak indoors means catching the drip and moving everything that can be ruined out of its path. Set a bucket or tote under the drip and drop an old towel inside it so splashback does not spread water across the floor. Move furniture, rugs, electronics and stored boxes out of the wet zone, and cover anything too heavy to move with plastic sheeting or a contractor bag.
Check the attic if you can get there safely. Water often runs along a rafter or ceiling joist before it falls, so the stain may sit several feet from the real entry point. With a flashlight, look for wet insulation, darkened decking and drips on the underside of the roof. Set a pan or plastic sheet across the joists under any active drip, step only on the joists, and come back down if the footing feels uncertain.
Step 3: Photograph everything before anything gets cleaned up
Documentation should start before cleanup does, because first-hour photos show the damage the way it actually happened. Photograph the ceiling stain, the drip, any wet flooring and the damaged belongings, then take a short video that pans across the room. If you can see the roof from the yard or street, photograph that too, including shingles lying in the grass, without going up.
Keep a simple written log alongside the photos: when you first noticed water, roughly what the weather was doing, and what you did to protect the house. Hold on to receipts for tarps, fans, a wet/dry vacuum or anything else you buy to stop the damage from growing. Homeowner policies generally expect reasonable steps to prevent further damage, so read your own policy wording and talk to your insurer before you throw anything away.
Step 4: Start drying the house within the first two days
Drying matters as much as stopping the drip, because hidden moisture is how a roof leak turns into a mold problem. The EPA advises drying water-damaged areas and items within 24-48 hours to prevent mold growth, and it lists roof materials above ceiling tiles as one of the places hidden mold develops after roof leaks.
Run fans and a dehumidifier in the affected room, open closet doors, and pull wet rugs up off the floor. Soaked attic insulation holds water against the drywall below it, so it usually needs to come out once the leak stops. Spring in Denton County is warm and humid, so a room can feel dry on the surface while the cavity above the ceiling stays damp for days.
Step 5: Narrow down where the water is getting in
The source of a roof leak is rarely directly above the stain, and on most houses it comes down to a short list of places where the roof surface is interrupted. Knowing that list helps you describe the leak accurately and judge whether the eventual repair actually addresses the cause.
Pipe boots and other penetrations
The rubber collars around plumbing vent pipes crack and shrink as they age in the Texas sun. A leak from a boot tends to show up near a bathroom or kitchen wall and may appear only in heavier rain.
Flashing at walls, chimneys and skylights
Metal flashing seals the joint where a roof meets a vertical surface. When it lifts, rusts or loses its sealant, wind-driven rain gets behind it, which is why these leaks often appear during storms with strong gusts from one direction and stay dry in a gentle rain.
Valleys
A valley is the channel where two roof slopes meet, and it carries more water than any other part of the roof. Leaves and debris that collect there, or a valley that was poorly detailed during installation, can push water sideways under the shingles.
Storm damage to the shingles
Hail bruises and wind-lifted or missing shingles expose the underlayment beneath. If the leak started right after a specific storm, this is the first thing a roofer will look for.
Step 6: Decide how urgent the repair is
A roof leak is urgent when water is actively entering during a storm, a ceiling is sagging, water is near electrical fixtures, or a section of roof is visibly open to the sky. In those cases the priority is getting the opening covered as soon as conditions are safe, by someone equipped to work on a roof, with a permanent repair once the weather clears.
Other leaks are less pressing. A small stain that does not grow still needs attention but usually leaves time to have the source traced properly and to compare options. Waiting through several more storms, though, is how decking rots, so get it checked before the next round of weather.
If the damage turns out to be widespread enough that the roof needs replacing rather than repairing, the City of Lewisville requires a building permit on all re-roofing projects, and contractors doing that work must be registered with the City. Asking whether a contractor is registered is a quick way to screen anyone who knocks on your door after a storm.
Step 7: Get ready for the next storm season
Staying ahead of the next leak starts with knowing when the weather is most likely to cause one. The National Weather Service office in Fort Worth notes that across the Metroplex the frequency of thunderstorms and associated severe weather peaks during the spring, and that large hail, damaging winds and flooding occur nearly every year somewhere in the region.
Lewisville's geography adds its own wrinkle. The city sits where I-35E, the Sam Rayburn Tollway and Lewisville Lake converge, and homes on the open-water side take wind that sheltered streets do not. Storm cells crossing Denton County can hit one subdivision and skip the next, so a neighbor's intact roof is not proof that yours came through fine.
When a leak traces back to a particular storm, a roof inspection can document hail and wind damage across the whole roof rather than only at the spot that leaked, and storm and hail damage roof repair covers the work that follows.
Roof leak questions Lewisville homeowners ask
Should I go up on the roof to cover the leak myself?
No, not while the roof is wet or the storm is still active. Wet shingles are slippery, gusts can catch a tarp like a sail, and lightning is a real risk on a roof. Handle what you can from inside and from the ground, and leave rooftop tarping to someone with fall protection once conditions allow.
Can a roof leak still be found after the rain stops?
Usually, yes. Staining, damp decking and water trails in the attic remain after the rain ends, so the entry point can often be traced on a dry day, and a controlled water test can confirm a suspected spot. Your photos of where the water appeared help narrow the search.
Will homeowners insurance cover a leaking roof?
It depends on your policy and on the cause. Sudden damage from a storm is generally treated differently from a slow leak caused by wear, so read your policy, call your insurer, and keep the photos, notes and receipts from the first hours. A roofer can document what is on the roof, but the coverage decision belongs to the insurance company.
Who should repair the leak once the weather clears?
Look for a roofer who traces the leak to its actual entry point rather than sealing over the stain. Lewisville Roofing TX Pros handles roof leak repair by following the interior evidence back to the source, photographing the fix and water-testing when there is doubt. The evaluation is free, and any work is priced on an itemized estimate before it starts.