Gutter Repair in Arizona

Local know-how

Monsoon storms, desert sun and high-country snow

Arizona gutters deal with long dry periods and short, intense storms. The summer monsoon, usually July through September, brings sudden downpours and dust storms to Phoenix and Tucson. Many desert homes have no gutters or only partial ones, with flat roofs draining through scuppers and canales.

The desert sun breaks down sealants, vinyl and plastic parts quickly, and big temperature swings between day and night open joints. Aluminum gutters with quality sealant last longest. Palm fronds, palo verde and mesquite litter, and sand are the main debris.

Tucson gets more rain than Phoenix, around 11 to 12 inches a year, and has many older adobe and territorial-style homes with flat roofs and canales that discharge onto walls and walkways. Rainwater harvesting is popular there, and gutters feeding cisterns or basins make good use of monsoon rain.

Flagstaff, Prescott and the high country are very different: heavy snow in Flagstaff, ice dams and pine needles from ponderosa forests. Gutters there need snow guards, strong hangers and regular cleaning, and wildfire risk makes metal guards a sensible choice.

Phoenix flat roofs, parapets and scuppers

Much of metro Phoenix, including Mesa, Chandler, Tempe, Scottsdale and Glendale, was built with tile or flat roofs, and many homes have parapet walls with scuppers instead of eave gutters. Scuppers dump concentrated water at a few points, often onto stucco or a walkway. Where gutters exist, they are often short runs over doors and patios. Adding a downspout or a short gutter under a scupper outlet can stop stucco staining and soil erosion along the wall.

The bigger maintenance concern on flat roofs is keeping the drains and scuppers clear before monsoon season. A single blocked scupper can pond water on the roof, and the weight and the standing water both shorten the life of the roof coating.

Monsoon timing and dust

The North American monsoon usually starts in early July and runs into September, bringing humid air from the south and afternoon storms that build over the mountains and sweep across the valleys. Many storms arrive behind a dust wall, or haboob, which coats roofs and fills gutters with fine silt just before the rain. That silt turns to mud in the trough. A gutter that was clean in May may need flushing again by August.

Monsoon microbursts can bring winds strong enough to bend gutters and pull loose downspouts. Hangers and straps should be fixed firmly, and downspouts should be secured at the bottom so they do not swing in the wind.

Contractors and rainwater harvesting

Arizona requires most contractors to be licensed by the Registrar of Contractors, and homeowners can check a license and its complaint history on the ROC website. Small jobs below a set dollar value can sometimes be done by handymen without a license, but gutter installation on a whole house usually needs one.

Rainwater harvesting is part of the culture in Tucson, where the city has offered rebates for rain barrels, cisterns and earthworks that capture runoff. A gutter that feeds a cistern or a planted basin turns monsoon rain into free irrigation. Flagstaff and Prescott homes, under ponderosa pine, need fine-mesh guards and regular clearing before fire season.

Tile roofs and gutter choices in the valley

Concrete and clay tile roofs are common across metro Phoenix and Tucson newer subdivisions. Gutters on tile roofs need to sit far enough out to catch water coming off the tile edge, and the tiles should not rest on the gutter. Many homeowners choose gutters only on the planes that drain over doors, patios and walkways. In the sun, paint finishes fade and older vinyl turns brittle within a few years, so aluminum with a baked finish, or copper on custom homes, is the usual choice.

Sedona, Payson and the White Mountains

Between the desert and the high country, towns such as Sedona, Payson, Show Low and Pinetop sit at elevations where winter brings snow and summer brings the monsoon. Homes there often face both ice at the eaves and flash runoff in August. Pine needles are the main debris, and wildfire risk is high, so clearing gutters before June and choosing metal guards are both sensible. Steep lots and red rock soils erode quickly, so downspout outlets should be protected with rock.

Summer heat and gutter materials

Phoenix summers regularly pass 110 degrees, and roof surfaces get far hotter. Metal gutters expand and contract a great deal between the heat of the afternoon and the cooler nights, which works sealant loose at end caps and outlets. A quality, heat-rated sealant and expansion allowances on long runs help.

Questions to ask an Arizona contractor

Ask whether the price includes sealing scuppers and roof drains, how the gutter will be fixed to stucco or fascia, which finish they use and how it holds up in the sun, and where the downspouts will discharge. In monsoon areas, ask about leaf and dust screens at the outlets.

Yuma, Kingman and the western desert

Yuma is among the sunniest and driest places in the country, and gutters there are mostly for occasional storms and for keeping water off doorways. Kingman and Lake Havasu City get brief, heavy summer storms and strong winds. In those areas, sealant life, fastening and dust are the main concerns rather than leaves.

Mesa, Gilbert and the East Valley

Gilbert, Queen Creek and San Tan Valley have grown on former farmland, with stucco homes and tile roofs. Many have no gutters, and runoff from roof valleys erodes gravel landscaping during monsoon storms; short gutters above those valleys solve it.