Keller Roof Repair: Tracking Down Leaks After Years of Hail
In Keller, a leak is often the late sign of a storm that passed months ago. Here is how to read the clues, what usually fails and how a repair should be done.
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Keller's hail record and what it means for leaks
Few places in North Texas see hail as often as the Keller area. NOAA's Storm Prediction Center logged 217 hail reports within 10 miles of Keller from 2015 through 2024, and 46 of them were 1.75 inches or larger. Large hail fell in 2015, 2021, 2023 and 2024. That means many roofs here have taken more than one serious hit.
Half of the homes in Keller were built before 1999 (U.S. Census Bureau, American Community Survey 2020-2024), so a typical house is about 27 years old. Many have had a new roof since, often after a storm. The leaks we trace on these homes tend to come from two places: storm hits that cracked the shingle mat without dripping right away, and aging parts like pipe boots and flashing that were never replaced with the shingles.
With 83 percent of Keller homes lived in by their owners, per the same Census survey, most repair decisions here are made by the people who live under the roof.
Clues that point to a roof leak
A brown ring on the ceiling that grows after each rain.
Damp or flattened insulation in one area of the attic.
Peeling paint or bubbles high on an outside wall.
A musty smell in a closet or upstairs room.
Drips that show only in hard, wind-driven rain. See why a roof leaks only in heavy rain.
What usually fails first
Hail-cracked shingles
The surface may look fine from the ground, but the mat underneath is split and water seeps through it over time.
Pipe boots
Sun and heat dry out rubber collars until they split around the vent pipe.
Step flashing
Where the roof meets a wall or dormer, loose flashing lets water run behind the siding.
Ridge and hip caps
Wind lifts the caps along the top of the roof and breaks their seal.
Valleys
The water from two slopes meets here, so wear and poor cuts show up first in valleys.
How a proper repair goes
Protect the inside
Catch the water, move furniture and take photos of every stain.
Find the entry point
Water often runs along rafters before it falls. The crew traces it back from the attic to the roof. Our guide on finding the source of a roof leak shows how.
Replace what failed
Cracked shingles, split boots or loose flashing are replaced, not just coated with sealant.
Check for storm damage nearby
In an area with this much hail, a leak can be one of several weak spots. The crew looks at the whole slope.
Document the fix
Before and after photos show what was found and what changed.
When a repair is not the answer
If hail bruises cover most slopes or leaks show up in several rooms, patching one area will not hold. In that case, look at roof replacement in Keller. If water is pouring in, start with emergency roof repair.
GemSco is family owned, fully licensed and insured, with 20+ years of experience. Estimates are free. Read more about our roof repair service or our work in Keller.
Frequently Asked Questions
Why did my Keller roof start leaking months after a storm?
Hail can crack the shingle mat without breaking through. Each rain and each hot day widens the crack, and granules wash away. Eventually water finds the opening. With 46 large hail reports near Keller from 2015 through 2024, delayed leaks are a common pattern.
Can a few shingles be replaced on a roof that was hit by hail?
Yes, if the damage is limited to a small area and the rest of the roof is sound. The new shingles should match in type and fit. If hits are spread across many slopes, a spot repair will not stop the next leak, and replacement is worth discussing.
Should I go on the roof to look for the leak myself?
It is safer not to. Steep slopes, loose granules and heat make roofs slippery. Check from the attic with a flashlight and from the ground with binoculars, take photos and leave the climbing to a crew with fall protection.
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