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How Long Does a Roof Last in Texas? Signs You Need Replacement

Published March 18, 2024Updated September 5, 2024Square Construction

Why Texas roofs don't last as long

Manufacturers publish 20- to 30-year lifespan estimates for architectural shingles. Texas roofs often come in under that. It's not defective product. It's the environment.

What's working against a Texas roof:

Heat and UV. DFW and Austin get 230 to 240 days of sunshine a year with serious UV intensity. Asphalt shingles age through UV oxidation — the granules loosen, the asphalt gets brittle, the flex goes. It happens faster here than almost anywhere else in the country.

Thermal cycling. We go from 20-degree nights in winter to 105-plus days in summer. Every cycle expands and contracts the shingles, working the adhesive seals and the nails over time.

Hail. DFW sits in one of the busiest hail corridors in the country. Every event strips granules and can crack or bruise shingles that still look fine from the ground. A roof that's been through three or four hail storms is closer to the end than its age suggests.

Lifespan by shingle type

3-Tab asphalt. 15 to 20 years in Texas (vs 20 to 25 nationally). Rarely installed new in DFW anymore. You mostly find it on older homes.

Architectural / dimensional. 20 to 27 years. The workhorse for most residential replacements. Two-layer construction holds up better than 3-tab.

Class 4 impact-resistant. 25 to 35 years. The added polymer layer resists both UV and hail. Longer life plus the insurance discount makes this the best value for most DFW homeowners.

Metal. 40 to 60 years. No granule loss issue, though big hail will dent it. Premium cost, works on the right style of home.

Signs it's time

Granule loss. Check gutters and the splash pads under downspouts after a rain. Dark, sandy material piling up there is granules washing off the roof.

Curling or cupping. Shingles should lie flat. Edges curling up (cupping) or down (clawing) means moisture got in or the shingle shrank with age. Either way the seal is compromised.

Bald or shiny spots. Areas where the granules are gone expose the black asphalt underneath. Those spots absorb more heat and fail faster.

Cracks and splits. Brittle shingles crack in temperature swings. One or two? Repair. Everywhere? Whole system's done.

Daylight in the attic. Sounds obvious. A lot of homeowners never look. If light is coming through, water is too.

Stacked repairs. Patches buy time. A patchwork roof means the underlying system is at or past its service life.

Age alone. A 20-year-old DFW roof deserves a pro inspection even if it looks fine. The inspection might confirm it's good, or it might find damage that qualifies for a claim.

Repair vs replace

Repair makes sense when:

  • Damage is from a single event (a limb, a few blown-off shingles)
  • Roof is under 10 years old and the damage is local
  • Damage is clearly contained to one area

Replace when:

  • The roof is over 15 to 20 and has damage
  • More than 30 percent of the surface is damaged or worn
  • Multiple trades are affected (gutters, siding, HVAC) — that points to a storm event that deserves a full claim
  • Leaks keep coming back after patches

The insurance angle

When a storm pushes an aging roof over the edge, insurance often pays for replacement. The claim is for the storm damage, not the age. Homeowners are surprised all the time to learn their 18-year-old roof qualifies for a claim after a hail event.

That's why we push the free inspection before you assume your old roof just needs to come out of pocket. A good inspector can tell you whether the damage ties to a storm or is pure wear.

Free Inspection

Questions about your roof?
We'll take a look at no cost.

Square Construction inspects roofs, gutters, and all exterior trades — for free and with no obligation. If you don't need anything, we'll tell you.