Roof Repair in South Houston, TX for Older Homes and Recent Storms
South Houston has some of the oldest housing in the Houston area and a busy recent hail record. Both show up as leaks.
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Two pressures on South Houston roofs
Half of the homes in South Houston were built before 1969 (U.S. Census Bureau, American Community Survey 2020-2024). A house that age is about 57 years old. The shingles on top have likely been replaced more than once, but the decking, rafters and roof edges are often original. Old boards, past patch jobs and layers of flashing make leaks harder to trace.
Recent storms add to that. NOAA's Storm Prediction Center logged 32 hail reports within 10 miles of South Houston from 2015 through 2024. All of them came in just 3 years: 2019, 2023 and 2024. The largest stone, 2 inches, fell on June 23, 2023. Roofs that took hits in those back-to-back years may only now be showing the damage as leaks.
Leak sources typical of older houses
Tired decking
Old plank or plywood decks soften where water has seeped in over the years. Nails lose their grip and shingles lift.
Layered patches
Past repairs with roofing cement or mismatched shingles can trap water instead of shedding it.
Old flashing
Metal at chimneys and walls rusts or pulls loose. See signs your roof flashing is failing.
Low-slope additions
Porches and room additions built later often have flatter roofs that hold water at the joint with the main roof.
Pipe boots and vents
Rubber seals crack in the sun and let water run down the pipe into the attic.
How a careful repair is done
Trace the water
Start in the attic and follow stains uphill. Our guide on how to find the source of a roof leak explains the method.
Open the area
Remove shingles around the entry point to see the deck and underlayment.
Replace what is wet
Soft decking and soaked underlayment come out. Covering them only moves the leak.
Rebuild the layers
New underlayment, flashing and shingles, lapped so water runs over each joint, not into it.
Document it
Before and after photos, so you know exactly what was fixed.
When a repair is no longer the answer
Leaks in several rooms after the same storm.
Sagging between rafters seen from inside or outside.
More patches than original shingles on one slope.
Hail bruises spread over the whole roof.
A second layer of shingles already on top of the first.
Talk to GemSco
Some older roofs can be kept going for years with good repairs. Others have reached the point where each fix is money spent on borrowed time. Our article on roof repair vs. replacement covers the trade-offs, and roof replacement in South Houston explains the bigger job.
If water is pouring in now, emergency roof repair can cover the opening first. GemSco is family owned, fully licensed and insured, with 20+ years of experience on shingle, metal, tile and flat roofs. Estimates are free. See our roof repair page or all our services in South Houston.
A word on quick fixes: roofing cement smeared over a crack, or a tarp left up for a season, is not a repair. Both fail in Gulf heat and humidity, and the water keeps getting in underneath. Our article on why temporary roof patches fail explains why a stopgap should only buy you days, not months.
Frequently Asked Questions
Why does my old house leak in a different spot every time?
On older roofs, water can enter in one place and travel along rafters or old plank decking before it drips. Several weak points can also be failing at once. A repair that only treats the newest stain will miss the others. A full inspection maps all the likely entry points at the same visit.
Can a roof with two layers of shingles be repaired?
Small repairs are possible, but they are harder because the crew has to work through both layers to reach the deck. Two layers also hide damage and add weight. If leaks keep coming back on a double-layer roof, a tear-off and replacement is often the more reliable fix.
Is it worth repairing a roof that was hit by hail?
If the damage is limited to a few spots and the rest of the roof is sound, a repair can make sense. If hits are spread across many slopes, a repair will not hold for long. An inspection with photos helps you decide, and it also gives you a record if you contact your insurance company.
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GemSco Roofing & Solar serves Houston, DFW, Austin, San Antonio and surrounding areas. We’re family owned and fully licensed and insured.