Roof Leak Repair in San Antonio, TX
Our San Antonio contractors use advanced leak detection methods including infrared thermography, electronic leak detection (ELD), and controlled water testing to pinpoint the exact source of your roof leak — then repair it permanently using industry-leading sealants, flashing systems, and membrane patches backed by written warranties.
Roof Leak Repair Features in San Antonio
- Precision leak detection using FLIR infrared cameras and electronic moisture meters in San Antonio
- Non-destructive testing methods that locate leaks without tearing apart your roof system
- Permanent repairs using Geocel Pro Flex sealant, Oatey No-Calk pipe boot systems, and lead step flashing
- Full warranty on all leak repairs performed in Texas — workmanship and materials guaranteed
Why San Antonio Homeowners Choose Us
- Stop mold growth and structural rot before it requires costly remediation in your San Antonio home
- Save thousands by fixing leaks early — unaddressed leaks cause 10x the repair cost within 90 days
- Extend your roof's lifespan by 5–15 years with proper flashing, sealant, and ventilation repairs
- Texas code-compliant repairs that maintain your manufacturer's warranty coverage
Roof Leak Repair Process in San Antonio
Schedule a free leak inspection — our San Antonio technician arrives within your preferred time window
Comprehensive leak investigation using infrared scanning, moisture probes, and controlled water tests
Detailed findings report with photos showing exact leak source, damage extent, and repair options
Professional repair using manufacturer-specified materials — flashing, sealants, membranes, or shingle replacement
Final inspection and water test to verify complete leak elimination, followed by written warranty documentation
Materials & Technology We Use
FLIR E8 Pro Infrared Camera
Professional thermal imaging that reveals hidden moisture patterns in roof decking and insulation without destructive testing.
Geocel Pro Flex RV Sealant
Premium tripolymer sealant that remains flexible in Texas's temperature extremes, never cracking or peeling.
Oatey No-Calk Pipe Boot Flashing
One-piece aluminum and rubber pipe boot that eliminates the #1 cause of roof leaks around plumbing penetrations.
Why San Antonio Needs Expert Roof Leak Repair
San Antonio experiences significant hailstorms from spring through early summer, along with extreme heat that accelerates UV degradation of asphalt shingles and sealant strips.
Large inventory of 1980s–2000s single-family homes with standard asphalt shingles. Military base housing near Lackland and Randolph contributes to steady roofing demand.
Insurance Partners in San Antonio
We work with all major San Antonio insurance carriers including USAA, State Farm, Allstate, Farmers.
Roof Leak Repair in San Antonio — FAQ
We use a multi-step diagnostic process starting with visual inspection, followed by infrared thermography to detect moisture-saturated areas invisible to the eye. For complex leaks, we perform controlled water tests systematically isolating roof sections until the entry point is confirmed.
Most roof leak repairs in San Antonio range from $300–$1,500 depending on the source. Simple flashing repairs or pipe boot replacements are on the lower end, while multiple-penetration or valley leak repairs requiring partial tear-off are higher. We always provide a free estimate before any work begins.
Yes. In Texas's climate, a roof leak can produce visible mold growth in attic spaces within 48–72 hours of sustained moisture exposure. Hidden mold in wall cavities and insulation may develop within 1–2 weeks. Prompt leak repair is the most cost-effective way to prevent mold remediation costs of $5,000–$30,000.
The top causes in Texas include deteriorated pipe boot flashing, cracked or missing step flashing around chimneys and dormers, worn-out valley flashing, missing or damaged shingles from storm winds, and clogged gutters causing ice dam backup during winter months.
Most single-source leak repairs in San Antonio are completed in 2–4 hours. Complex leaks involving multiple entry points, extensive flashing replacement, or partial decking repair may require a full day. We always provide a timeline estimate before beginning work.
Yes. All leak repairs performed by our San Antonio contractors include a minimum 2-year workmanship warranty covering the repaired area. Many repairs also carry manufacturer material warranties ranging from 10–50 years depending on the products used.
If your roof is under 15 years old with isolated damage, repair is typically the best option. If your San Antonio roof is 20+ years old with multiple leak points, granule loss, and curling shingles, full replacement is more cost-effective long-term. Our inspectors provide honest assessments and never push unnecessary replacements.