A drone can often show where a leak likely started, but it cannot confirm the leak on its own. A standard drone camera captures surface evidence such as cracked tile, lifted flashing, damaged foam coating, and ponding marks. A thermal camera adds a map of temperature differences that can point to wet insulation, which indicates moisture but not necessarily where water enters. A roofer then confirms the finding with a hands-on check. Lyons Roofing has inspected and repaired Arizona roofs since 1993, licensed under AZ ROC# 348074, with general liability and workers compensation coverage on every project. The BBB has awarded us its Ethics Award and an A+ rating, reflected in our active A+ BBB accreditation for our Phoenix office and A+ BBB accreditation for our Tucson office. Angi recognizes us as a top-rated, repeated Super Service Award winner through our top-rated Phoenix Angi profile and top-rated Tucson Angi profile. Thousands of verified five-star reviews appear on our Phoenix Google reviews and Tucson Google reviews. As an ARCA member in good standing, we meet the industry standards governing professional roofing in Arizona. We use licensed drone operators and recommend pairing drone imagery with a hands-on crew inspection. Call 602-638-3135 (Phoenix) or 520-900-1442 (Tucson) to schedule an inspection.
What Can a Drone Show About a Roof Leak?
A leak has three parts: the entry point, the path water takes, and the place it shows up inside. A drone sees the roof’s surface, so it is strongest at the first part and weakest at the second and third.
| Tool | What It Can Show | What It Cannot Show |
|---|---|---|
| Drone photos and video | Cracked or slipped tile, lifted flashing, damaged foam coating, ponding marks, and loose or missing pieces | Underlayment, decking, or moisture beneath the surface |
| Thermal camera on a drone | Surface temperature differences that can point to wet insulation under a membrane | Moisture itself, or the exact point where water enters |
| Hands-on checks | Soft spots, moisture readings, mortar adhesion, sealant flexibility, and attic staining | Quick coverage of a steep, fragile, or very large roof |
Lyons Roofing’s residential drone roof inspection states the limit plainly: drone imagery sees only surface conditions, and physical checks such as mortar adhesion, sealant flexibility, and attic access still need a crew.
How Thermal Imaging Finds Moisture, and Where It Falls Short
A thermal camera reads surface temperature, not water. ASTM C1153-23 describes using infrared imaging at night to locate wet insulation in roofing systems where the insulation sits above the deck in contact with the waterproofing, and it covers both ground-based and aerial inspections.
The method works because water and dry roofing material heat and cool at different rates. A thermography course manager quoted in a 2009 Roofing Contractor magazine article explains that the sun heats the roof and the water cools off more slowly, so wet areas can be checked at night. The same specialist adds that the camera finds moisture but does not necessarily find the leak. ASTM C1153 says the same from the other side: it does not identify the cause of moisture or its entry point, and it does not evaluate whether a system works as waterproofing.
Several conditions limit what a thermal survey can read:
- Weather and sky cover: The Roofing Contractor specialist says that if the sky is overcast, or the nighttime temperature drop is small, you might have to wait. A 2020 Restoration & Remediation magazine article adds that environmental conditions play a big role, and one contractor it quotes found cloudy winter days a problem.
- Timing: The practice calls for night imaging, and a thermography instructor in the Roofing Contractor article says the best images may not come until three or four hours after sunset.
- Standing water: The instructor says inspections cannot be conducted while ponded water is present.
- Obstructions: Conduits, pipes, exhaust vents, HVAC equipment, and drains can limit the area that can be inspected.
- Insulation type: Closed-cell insulation stays wet for a very long time, while free-draining insulation may yield a thermal indication for only a few hours after precipitation.
- Sloped residential roofs: A FLIR Systems business development leader quoted in the Restoration & Remediation article says exterior infrared inspections can sometimes be challenging on them, because ventilation air gaps and low-mass plywood make moisture intrusion hard to spot. The Roofing Contractor specialist says infrared does work on fiberglass and asphalt shingles, so results vary by roof.
A 2019 ACHR News article on finding roof moisture with a drone, written by a FLIR Systems business development lead, describes the same workflow. The thermal camera displays temperature differences as colors, a visual camera helps inspectors spot defects, broken tiles, and missing shingles, and the scan shows which sections perform well and which need further investigation. The article adds that inspectors may still need traditional, often destructive, test methods to measure how serious a problem is.
Lyons Roofing treats thermal review as an aid, not a guarantee. Its drone page says thermal review may also help highlight moisture-related concerns and coating performance on applicable roof systems, and its commercial flat roof repair recommends infrared thermal scanning or nuclear moisture detection as additional diagnostic tools for large roof fields.
What Drones Do Well in a Roof Leak Search
- Safety in the heat: A professional can stay on the ground, which lowers injury risk on a hot roof.
- Tile roofs: Lyons specifically recommends drone inspection for tile roofs because the drone captures surface conditions without crew foot traffic that could crack tiles.
- Speed and reach: A drone scans a roof quickly without ladders or scaffolding and reaches steep or unusual roof shapes.
- Detail: A drone captures small cracks or heat-blistered shingles that a walk-around may miss.
- Documentation: Post-storm footage gives date-stamped visual evidence, and the Lyons written condition report includes annotated aerial photographs and a summary of findings organized by component and urgency.
Our guide to the advantages of drone roof inspections in Arizona covers the benefits in more detail, and our commercial drone roof inspections covers larger properties.
Warning Signs of a Roof Leak to Check Before You Call
Start with what you can see from inside the home. These signs point to water getting past the roof:
- Water stains on a ceiling or wall: Lyons notes that yellow or brown discoloration often indicates water is seeping through.
- Faded spots, sagging wood, splintering, cracking, or chipping in the attic: Lyons lists these as signs of water intrusion.
- A musty or mildew-like smell in the attic after rain: Lyons says this suggests a chance of a leak.
- Daylight through the roof boards: Shut off the attic lights and see whether sunlight peeks through.
- Worn flashing around vents and skylights: Lyons explains that flashing can wear out after just a few short years of constant daily sun exposure.
Our guide to spotting roof damage from inside your attic shows what to look for, and the post on roof leak inspections in Phoenix and Tucson explains the visual-first approach we use to find hidden leaks.
Chasing a Roof Leak?
Written Finding | Photo Documentation | AZ ROC# 348074 | Call 602-638-3135 (Phoenix) or 520-900-1442 (Tucson)
Which Roof Types Suit a Drone Leak Check?
| Roof Type | What the Drone Adds | What Still Needs a Crew |
|---|---|---|
| Tile | Cracked, slipped, or missing tile and flashing condition, without foot traffic on fragile tile | Mortar adhesion, underlayment condition, and attic evidence |
| Shingle | Cracks, lifted pieces, and heat-blistered shingles | Moisture under the shingles and in the decking |
| Foam | Coating condition patterns across the complete roof surface | Probing suspect areas and measuring coating thickness |
| Flat or low-slope | Ponding, seam and flashing condition, and a thermal map of possible wet insulation where conditions allow | Moisture meter or core-sample verification of anything the scan flags |
Once a crew confirms the entry point, our residential flat roof repair and residential foam roof repair services cover the fix. For properties with wet insulation, our post on repairing commercial roof systems with saturated insulation pockets explains how crews locate hidden moisture and remove only the affected insulation.
A Better Way to Find a Roof Leak
- Write down the symptoms. Note where stains appear, when they show up, and whether they follow rain, wind-driven storms, or neither.
- Check the attic. Look for daylight, faded spots, sagging or splintering wood, and a musty smell.
- Survey the surface. A drone or ground-based visual inspection documents cracked tile, lifted flashing, ponding, and coating wear across the whole roof.
- Add moisture tools where the roof calls for them. Lyons uses infrared cameras and moisture meters to detect hidden leaks, and large flat roofs may call for infrared thermal scanning or nuclear moisture detection.
- Confirm the entry point on site. Probing soft areas and testing flashing adhesion tie the symptom to its source.
- Repair and document. A written report with photographs records what the crew found and what it fixed.
A hands-on residential roof inspection and a commercial roof inspection follow the same sequence, with the drone folded in where the roof type suits it.
DIY vs. Professional: Who Should Fly and Who Should Climb
| Task | Homeowner | Professional Roofer |
|---|---|---|
| Photograph the roof from the ground or a window | Yes | Yes, plus close-up documentation |
| Fly a drone over the roof | A camera alone cannot show moisture, and commercial flights require an FAA Remote Pilot Certificate | Yes, with licensed operators and trained interpretation |
| Run a thermal survey | No, since it needs a thermal camera, the right night conditions, and trained interpretation | Yes, with an operator trained on the variables that affect thermal image accuracy |
| Take moisture readings | No | Yes, with a moisture meter or other verification |
| Walk the roof to find the entry point | Best avoided, since NRCA does not recommend that homeowners walk on roofs | Yes, with protected access and care on fragile materials |
Ask any drone provider whether its pilots hold an FAA Remote Pilot Certificate. The FAA says commercial drone pilots must obtain one, which means passing a knowledge test and a TSA background check and renewing through recurrent training every 24 calendar months. Lyons Roofing flies licensed drone operators within FAA regulations for commercial unmanned aircraft operations. The NRCA does not recommend that homeowners or inexperienced property staff walk on roofs, which is one more reason to let the drone and the roofer do the climbing.
What Phoenix and Tucson Conditions Mean for Drone Leak Checks
Drones need calm air, and the Lyons drone FAQ puts the working limit at winds typically below 15 mph with adequate daylight. Monsoon storms exceed that quickly. KTAR’s report on the July 13, 2026 storm quoted a National Weather Service meteorologist describing fairly widespread winds of 40 to 50 miles per hour, and the National Weather Service calls a storm severe when it brings hail an inch or larger or gusts of 58 mph or higher. A good flight window usually opens after the storm passes.
Heat is the other constraint. Phoenix averaged 111 days a year at or above 100 degrees from 1991 to 2020, and summer 2026 ranked as the second hottest on record in Phoenix, averaging 97 degrees. A drone keeps the inspector off a roof that can burn skin and boot soles.
Thermal work depends on sun-heated roofs. July sunshine averages reach 85% of daylight hours in Phoenix and 78% in Tucson, and December sunshine averages still reach 77% in Phoenix and 79% in Tucson, so the raw material for a thermal survey is plentiful. Monsoon cloud cover and a small overnight temperature drop can still delay a scan, as the trade guidance warns.
The 2026 monsoon gave Sky Harbor 2.48 inches against a 2.43-inch normal, and NWS normals show Tucson receiving about 5.5 of its roughly 10.6 inches of annual rain in July through September, per the Tucson monthly normals. For the months ahead, the Climate Prediction Center lists an El Niño Advisory with a strong to very strong event likely through early 2027, and KJZZ reports a 33 to 60 percent chance of above-normal Arizona precipitation, with the best chances early in 2027. A forecast is not a promise, but a dated aerial record of your roof before winter storms gives you a baseline to compare against.
Why Arizona Homeowners Choose Lyons Roofing
| What We Offer | What It Means for Your Leak Search |
|---|---|
| A+ BBB Ethics Award, Phoenix roofing office | BBB Ethics Award winner, A+ rated, independently verifying honest, professional service |
| A+ BBB Ethics Award, Tucson roofing office | Both Arizona locations hold active A+ BBB accreditation and Ethics Award recognition |
| Top-rated Phoenix Angi profile, Repeated Super Service Award | Super Service Award recognition across the Phoenix metro for consistently high-quality roofing |
| Top-rated Tucson Angi profile, Repeated Super Service Award | Award-winning service recognition across both our Phoenix and Tucson roofing markets |
| Phoenix Google reviews, thousands of verified 5-star ratings | Among the most-reviewed roofing contractors in Arizona based on verified customer feedback |
| Tucson Google reviews, verified 5-star ratings | Consistent 5-star feedback from homeowners in both Arizona markets |
| ARCA member in good standing | Compliant with ARCA standards for installation, safety, and professional roofing conduct in Arizona |
| GreenSky financing available | Flexible financing options for property owners managing roofing project budgets |
| Licensed Under AZ ROC# 348074 | State-verified license, active and in good standing, verifiable at roc.az.gov |
| Fully Bonded and Insured (GL + Workers Comp) | Zero liability exposure for property owners, every project fully covered |
| In Business Since 1993, 30+ Years | Three decades of experience with Arizona roofing systems in extreme desert conditions |
| Manufacturer Certified Installers | Work performed to manufacturer specifications, helping protect material warranties |
| Free Inspections and Written Assessments | A written finding on what the roof shows and what still needs a hands-on check |
| 24/7 Emergency Response | Available any time for roofing emergencies throughout our Arizona service area |
Frequently Asked Questions: Drones and Roof Leaks in Arizona
Can a drone find a roof leak?
A drone can show surface evidence that points to a leak, such as cracked tile, lifted flashing, damaged coating, or ponding marks, but it cannot see beneath the surface. A thermal camera can flag temperature differences that may indicate wet insulation. Both findings usually need a hands-on check to confirm where the leak enters.
Can a drone see a leak on a tile roof?
It can see the surface conditions that often cause leaks, such as cracked or slipped tile and flashing problems, without anyone walking on fragile tile. Lyons Roofing specifically recommends drone inspection for tile roofs for that reason. A drone cannot see the underlayment, so a roofer still checks the attic and the underlayment by hand.
What does thermal imaging show on a roof?
A thermal camera shows surface temperature differences that can point to moisture. Trade guidance explains that water cools off more slowly than the roof, so wet areas can stand out at night. ASTM C1153 states that the method does not identify the cause of moisture or its entry point.
Does a thermal drone work on shingle or tile roofs?
Results vary. One trade article reports that infrared works on fiberglass and asphalt shingles as well as commercial roofs, while another says sloped residential roofs can be challenging because ventilation air gaps and low-mass plywood make moisture intrusion hard to spot. For those roofs, the article suggests checking from the attic with infrared cameras, moisture meters, and a flashlight.
When is the best time for a thermal roof scan?
ASTM C1153 describes infrared imaging at night. Thermography specialists quoted in Roofing Contractor say the best images may not come until three or four hours after sunset, and that an overcast sky or a small nighttime temperature drop can mean waiting.
Can a drone inspect a roof in wind or rain?
Lyons Roofing’s drone inspections require calm wind conditions, typically below 15 mph, and adequate daylight for clear imaging. Ponded water also prevents a thermal survey, so a scan has to wait until the roof drains. If water is entering your home now, call for emergency service instead of waiting for a flight window.
What does a drone roof inspection report include?
The Lyons Roofing written condition report includes annotated aerial photographs, a summary of findings organized by component and urgency, and recommended actions. Digital delivery typically arrives the same day or within 24 hours, and hard copies are available on request.
Do drone operators need FAA certification?
For commercial flights, yes. The FAA says commercial drone pilots must obtain a Remote Pilot Certificate, which requires passing the Unmanned Aircraft General knowledge test and a TSA background check, with recurrent training every 24 calendar months. Lyons Roofing uses licensed drone operators within FAA regulations for commercial unmanned aircraft operations.
Can a drone replace a hands-on roof inspection?
No. Lyons Roofing notes that drone imagery sees only surface conditions, not underlayment or decking, and that checks such as mortar adhesion, flashing sealant flexibility, and attic access still need a crew. Lyons recommends combining drone imagery of the full roof field with a physical crew inspection.
Can a drone find a leak that starts in the attic?
A drone cannot see inside the attic. Attic evidence such as daylight through roof boards, sagging or splintering wood, and a musty smell after rain comes from a hands-on check, and it helps narrow where the roof surface needs a closer look.
How does a roofer confirm what a drone or thermal scan flags?
A roofer checks the flagged area on site with a moisture meter or other verification. ASTM C1153 includes verification using invasive test methods, and an ACHR News article notes that inspectors may still need traditional, often destructive, test methods to measure how serious a problem is. Lyons Roofing uses infrared cameras and moisture meters to detect hidden leaks.
Can a leak come from somewhere other than the roof?
Yes. A Restoration & Remediation magazine case describes a drone inspection that found water entering through a wall instead of the roof. A survey of the whole exterior can help separate roof leaks from other sources such as walls, and a hands-on inspection confirms the cause.
Do drone photos help with an insurance claim after a storm?
Drone footage can document roof condition with date-stamped visual evidence, and Lyons Roofing’s guides note its use for post-storm documentation and insurance submissions. Coverage decisions rest with your insurer.
How large or steep does a roof need to be for a drone to make sense?
A drone helps most on large roofs and on tile roofs, where crew foot traffic risks breakage. The Lyons Roofing drone page says drone inspection provides the greatest advantage on roofs larger than approximately 2,500 square feet and is also highly valuable on tile roofs of any size.
How do I schedule a drone roof inspection with Lyons Roofing?
Request an inspection through the Lyons Roofing website and ask whether drone imagery fits your roof type. Our team serves Phoenix, Tucson, and the surrounding communities and delivers a written condition report with photographs.
When to Call Lyons Roofing
Call when a stain appears, when water enters during a storm, or when a roof is too steep, fragile, or large to walk safely. Lyons pairs drone imagery with a hands-on inspection, uses infrared cameras and moisture meters where the roof calls for them, and delivers a written report with photographs. You can verify our license with the Arizona Registrar of Contractors, and if water is coming in now, our emergency roof service responds any time, day or night, at 602-638-3135 (Phoenix) or 520-900-1442 (Tucson).
Schedule a Roof Leak Inspection
AZ ROC# 348074 | Bonded and Insured | 24/7 Service | Call 602-638-3135 (Phoenix) or 520-900-1442 (Tucson)