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Commercial Roof Leak Detection & Repair
Find the Real Leak — Not Just the Stain
Water is sneaky. It enters at one point on your roof, travels along decking, seams, and insulation, then drips through your ceiling somewhere else entirely. That’s why slapping caulk over the wet spot almost never works. At Guardsmen Commercial Roofing, we use infrared scanning, moisture mapping, and flood testing to pinpoint exactly where water is getting in — then deliver a lasting repair that stops the damage at its source.
Common Sources of Commercial Roof Leaks
Failed Seams & Laps
Open or lifted seams on TPO, EPDM, and PVC membranes are the number-one entry point for water on flat roofs.
Pipe Boots & Penetrations
Cracked pipe boots, vents, and HVAC curbs let water sneak in around every roof penetration as gaskets age.
Ponding Water
Standing water from poor drainage stresses the membrane and finds even the smallest pinhole or weak spot over time.
Damaged Flashing
Loose or corroded flashing at walls, parapets, and curbs separates from the roof and opens a direct path inside.
Storm & Hail Damage
Wind-lifted membrane and hail bruising create punctures that may not leak until the next heavy rain arrives.
Clogged Drains & Scuppers
Blocked drains back water up onto the field of the roof, overwhelming seams and flashings never meant to hold it.
How We Find & Fix Leaks
1 · Inspect & Interview
We walk the roof, review interior stains, and ask when and where leaks appear to narrow the search area.
2 · Scan & Test
Infrared and moisture meters reveal trapped water, while controlled flood testing confirms the exact point of entry.
3 · Pinpoint the Source
We trace water back along its travel path to the true breach — not just where it dripped inside.
4 · Repair & Verify
We make a permanent, system-matched repair, then re-test to prove the leak is fully sealed before we leave.
Why DIY Patches & Quick Fixes Fail
A tube of roof cement might dry the ceiling for a week, but it rarely touches the real breach — and trapped moisture keeps spreading under the membrane, rotting insulation and decking out of sight. Worse, the wrong sealant on a TPO or EPDM roof can void your warranty. We diagnose the actual failure and repair it with materials engineered for your system, so the leak stays gone. Need broader membrane work? Explore our full commercial roof repair services →
Stop Interior Damage Before It Spreads
Every hour a leak goes unfixed, water is soaking insulation, staining ceilings, shorting electrical, and feeding mold. A small membrane breach can quietly ruin thousands of dollars in interior finishes and inventory. Catching and sealing the leak fast protects your building and your bottom line — and when it’s an active emergency, we respond quickly to shut the water off and protect what’s inside.
Recent Leak Repair Work
FAQ
Leak Detection & Repair — Common Questions
Water travels. It enters at a failed seam or penetration, then runs along decking, insulation, and structural steel before dripping through your ceiling — often several feet from the actual breach. That’s why we use infrared scanning and flood testing instead of guessing, so we fix the real source the first time.
Infrared scanning reads subtle temperature differences across your roof. Areas with trapped moisture hold heat differently than dry areas, so a thermal camera reveals saturated insulation invisible to the naked eye. It lets us map the wet zone and find entry points precisely, without tearing up dry sections of your roof.
Almost never effectively. The drip point is usually far from where water actually enters the roof, so patching the interior wet spot leaves the real leak wide open. We trace water back to its true source and repair that, which is the only way to make the leak stay gone.
Yes, and it matters that you call a pro. Using the wrong sealant or method can void your manufacturer’s warranty. We repair with system-matched materials and proper details, so your TPO, EPDM, PVC, or metal warranty stays intact. Reach out and we’ll help.
For active, water-pouring situations we move quickly to stop further interior damage. If your roof is leaking right now, see our emergency commercial roof repair service, or call us directly at (770) 714-5988 and we’ll get a plan moving the same day.
AREAS WE SERVE
Serving West & Central Georgia
From Thomaston to Macon, Columbus, Griffin, LaGrange, and beyond.
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Tech-driven inspection, honest assessment, clear plan — no pressure, no replacement-pushing.