Roofs Under the Texas Sun: What Your Inspector Checks First

A San Antonio roof works harder than most. It takes hundred degree summers, spring hailstorms that bruise shingles, and the occasional freeze that pops flashing loose. On every inspection I climb up top and read how a roof has handled that life, the way a builder reads a frame. This note is about what I look at first on the shingles, the flashing, and in the attic, and how to tell honest age from the trouble that costs real money.

Wear shows up first in the shingles

The shingles are a roof's first line of defense, and in South Texas they age fast. I look for tabs that are curled or cracked, shingles that are missing or lifted, and bare patches where the granules are gone. The granules are what shield the asphalt from the sun, so when they wash down the gutters by the handful, the shingles are at the end of their useful life. A shingle roof in this climate typically delivers about 15 to 20 good years. Near the end of that window is exactly when you want the straight version of its condition, not a surprise two summers from now.

Flashing: where the leaks actually start

Most roof leaks do not start in the middle of the shingle field. They start at the flashing, the metal that wraps chimneys, vents, skylights, and valleys. Years of sun and freeze cycles loosen that metal, the sealant dries up and cracks, and water finds its way in. On every roof inspection I spend real time at these transitions, because that is where the roof usually gives up first. Here is what catches my eye:

• Rusted, lifted, or missing flashing around chimneys, vents, and skylights
• Pipe boots around plumbing vents: cracked, dried out, or slipped off their stack
• Caulking that has opened up where flashing meets brick or siding
• Valleys that are pinched, patched, or shedding water the wrong direction

The attic tells the truth

From outside, a roof can look perfectly fine. From inside, the attic is where it tells the truth. I check the underside of the decking for stains and streaks, watch for daylight coming through the boards, and feel whether the air is moving or baking still. I also check the insulation across the attic floor, because in July a roof earns its keep twice: once with the shingles up top, and once with the insulation below.

Hail damage and the honest read

Hail is part of spring in San Antonio, and after a big storm, roofers go door to door looking for work. Not every hail dent is a damaged roof, and not every roof that rode out the storm needs replacing. What a good inspection does is give you the baseline: is the system sound, does it have good miles left, and does the story you hear on the porch match the roof I walked. When the next storm rolls through, that baseline is worth real money.

Five habits that stretch a roof

• Keep the gutters clear: water that backs up beneath the shingle edge rots the decking beneath it
• Trim branches back so they do not rub the shingles in the wind or dump leaves into the valleys
• Keep the attic vents clear, and know your insulation depth while it is easy to see
• Walk the yard after a hard storm: a pile of granules or a popped nail are the roof telling you something
• Know the roof's age and its repair history, and keep those receipts handy

The takeaway

The roof is the biggest ticket item on the outside of the house, so the honest answer about it is one you want before you commit. A good inspection tells you whether that roof has good miles left or whether it is closing in on the end of the road. If you are sitting in the option period trying to make sense of a roof, this is the moment to book your inspection and get the straight story from up top.