Most roof repair calls in Tucson come in a rush during July and August, when the first monsoon storms find the weak spots that ten months of sun created. Some come from tenants who notice a ceiling stain, and some from buyers whose home inspection flagged the roof. Whatever the reason, the job is the same: find where water gets in, fix the cause, and tell you honestly how much life the roof has left.
Why Tucson roofs start leaking
Desert roofs rarely fail from one big event. They wear down slowly, and then a storm exposes the damage.
Sun damage.
Tucson gets about 3,806 hours of sunshine a year. UV light dries out sealants, cracks coatings, and breaks down shingles and membranes.
Heat cycling.
With an average of 158 days a year at 90 F or more, roofs swell in the afternoon and shrink at night. That movement loosens nails, opens seams and pulls flashing away from walls.
Monsoon wind.
Summer storms bring strong gusts. One report on Arizona monsoon claims noted gusts of up to 91 mph in and around Tucson in July 2021. Wind lifts shingle tabs, shifts tiles and peels back the edges of flat roofs.
Heavy rain in short bursts.
July averages about 2.21 inches of rain and August about 1.98 inches, often in short, intense storms. Clogged scuppers and gutters overflow, and water backs up under flashing.
Age.
More than half of the homes in Tucson (52.5%) were built before 1980, according to Census figures. Older decking, old flashing and layers of past patches all make leaks more likely.
Common repairs by roof type
Tile roofs
Concrete and clay tiles shed most of the water, but the underlayment beneath them is what keeps the house dry. Typical repairs include replacing cracked or slipped tiles, resetting ridge and hip tiles, and replacing worn underlayment in the area of a leak. If the underlayment has failed across large areas, the roofer may recommend lifting the tiles and replacing the underlayment, then relaying the same tiles. Walking on tile can break it, so leave it to the roofer.
Foam and flat roofs
Foam roofs leak when the coating wears through and the foam underneath is exposed or damaged. Repairs include cutting out blistered or wet foam, filling it, and recoating. On flat roofs with membranes, the roofer patches splits and seams and checks the drains and scuppers. See flat and foam roofs and roof coating for more.
Shingle roofs
Shingles curl, crack and lose their granules in the desert sun. Repairs include replacing missing or lifted shingles, resealing nail heads, and fixing flashing at walls, chimneys and vent pipes. If the shingles are brittle across the whole roof, repairs may not hold for long.
Metal roofs
Metal panels rarely fail in the middle. Leaks show up at exposed fasteners whose rubber washers have dried out, at seams, and at flashing around vents and units. See metal roofing.
Flashing, vents and rooftop units
Many leaks are not in the roof covering at all. They come from the metal flashing where the roof meets a wall, from pipe boots around plumbing vents, and from curbs under air conditioners and evaporative coolers. Tucson Water says its water is naturally hard, so a rooftop cooler that drips can leave mineral scale and standing water near its base. A roofer should check every one of these spots.
What a roof repair visit looks like
- 1Questions on the phone. The roofer asks what type of roof you have, where the water is showing up, and when it started.
- 2Inside check. They look at the stain, the ceiling and, if possible, the attic to trace the path of the water.
- 3Roof check. They walk or inspect the roof around the leak and look for the real entry point, which is often uphill from the stain.
- 4Written estimate. You get a written estimate for the repair, and an honest view of whether the roof is worth repairing or close to the end.
- 5Repair. If you agree, the repair is scheduled. In monsoon season, a temporary cover may come first.
Repair or replace?
A repair usually makes sense when the damage is in one area and the rest of the roof is in good shape. A replacement is often the better choice when:
- The roof leaks in several places at once.
- Shingles are brittle or bare of granules across most of the roof.
- The underlayment under a tile roof has failed in many areas.
- A foam roof has large areas of wet or damaged foam, not just a worn coating.
- You have already paid for repairs to the same roof several times in a few years.
Ask the roofer to show you photos of what they found, so you can see the condition yourself. See roof replacement for what a full re-roof involves.
Before you hire anyone for a repair
Roofing contractors in Arizona hold a license from the Arizona Registrar of Contractors. For homes, look for an R-42 residential roofing license, or a CR-42 that covers both homes and commercial buildings. Ask for the license number and check that the business name on the estimate matches the license. Be careful with anyone who knocks on doors right after a storm, asks for full payment up front, or cannot give you a written estimate.
What roof repair costs in Tucson
Roof repair is priced after a roofer sees the damage. A few cracked tiles, a resealed flashing or a small foam patch is a much smaller job than replacing underlayment across a section of roof. The things that raise the price are the size of the damaged area, the roof type, the pitch and height of the roof, and whether wet decking or insulation needs to be replaced. See roof costs in Tucson for national replacement figures and what changes a quote.
Common questions
How fast can a roofer fix a leak in Tucson?
That depends on the time of year. In monsoon season roofers are busy, so call as soon as you see water. A temporary cover can protect the house until the full repair.
Can a roof be repaired during monsoon season?
Yes, but most permanent repairs need a dry roof. Roofers often tarp or seal the area first, then come back on a dry day to finish the job.
Why does my ceiling stain not line up with the leak?
Water runs along decking, rafters and underlayment before it drips. The real entry point is often several feet uphill from the stain you see.
Is it worth repairing an old roof?
If the damage is limited and the rest of the roof is sound, yes. If the roof leaks in many places or has been patched repeatedly, ask about replacement.