Exposed Aggregate Concrete
Honed Concrete
Polished Concrete
Liquid Limestone
Concrete Driveways
Concrete Alfresco
Seamless Pool Edging
Concrete Overlay
Concrete Table Tops
Concrete Pump HireThe honest answer (it depends, but here's the math)
Concrete lasts a lot longer than most homeowners think. We get calls every month from people convinced their 12-year-old driveway is "at the end of its life", when it's actually just due for its first re-seal. The real lifespan depends on three things: the finish you chose, the application (driveway vs alfresco vs pool surround), and how well you've maintained it.
As a rough guide, the lifespan picture looks like:
- Properly installed + maintained: typically 25 years or more for most finishes, often longer.
- Properly installed, minimal maintenance: 15–20 years before significant repair needed.
- Budget install, no maintenance: 8–12 years before visible failure.
- Premium install + active maintenance: can go 40 years or more before major work.
“I've got a polished concrete floor in my parents' Subiaco place that's 38 years old. Hasn't had a re-polish in two decades and still looks better than most 5-year-old tile floors. Concrete done right can last for decades.
Lifespan by finish type
| Finish | Driveway | Alfresco | Pool surround | Indoor floor | Maintenance effect |
|---|---|---|---|---|---|
| Plain broom-finish | 20–30 yrs | 20–30 yrs | N/A | N/A | Longer with resealing |
| Exposed aggregate | 25+ yrs | 25+ yrs | 25+ yrs | N/A | Longer with resealing |
| Liquid limestone | 20–30 yrs (light vehicle) | 25–35 yrs | 25–35 yrs | N/A | Longer with rinsing + resealing |
| Honed concrete | 30+ yrs | 30–40 yrs | 25–35 yrs (varied grit) | 40+ yrs | Longer with re-honing |
| Polished (mechanical) | N/A (indoor only) | N/A | N/A | 30–50 yrs | Longer with re-polishing |
| Polished (grind-and-seal) | N/A | N/A | N/A | 15–20 yrs | Re-coats needed every 5–8 yrs |
| Stamped concrete | 20–30 yrs | N/A | N/A | N/A | Longer with active resealing |
These are typical figures, and they assume a well-prepared base, proper original installation and reasonable maintenance. Cheap installs or zero-maintenance setups can fail within half the indicated lifespan.
What kills concrete faster in Perth than elsewhere
Perth's environment is genuinely harder on concrete than most Australian cities. The combination factors that shorten lifespan:
- UV exposure, Perth peaks at UV index 13+ in summer. The world's worst direct UV outside the tropics. Sealer breaks down faster here than in most of Australia.
- Coastal salt air, properties within 1km of the coast see accelerated sealer breakdown, surface pitting, and reinforcement corrosion if cover is inadequate.
- Saltwater pool chemistry, pool surrounds are constantly exposed to salt + chlorine. Without dedicated sealer maintenance, lifespan can drop sharply.
- Temperature swings, summer days that can top 40°C and nights around 22°C create thermal cycling that works the slab harder than most climates.
- Sandy soils, most Perth properties sit on sand. Excellent drainage, but sub-base preparation matters more here because there's no clay binding to hold things still.
- Dry winter, low humidity in winter sucks moisture out of inadequately cured concrete, causing micro-cracking.
- Sprinkler systems, chlorinated reticulation water on outdoor concrete creates etching marks if it pools.
7 things that help a slab last longer
The maintenance habits that make the biggest difference to how long concrete lasts in Perth:
DOThe 7 high-impact maintenance habits
- ✓Seal on scheduleThe #1 lifespan factor. How often depends on the sealer: as a guide, a topical sealer every 2 to 5 years and a penetrating sealer around every 5 to 7. Skipping a cycle can cost years of finish life.
- ✓Annual deep clean before winterPressure wash (max 1,500 psi) every May before the rain arrives. Removes accumulated dirt that holds moisture.
- ✓Joint maintenanceRe-caulk compromised joint sealant every 2 years. Water entry through joints is a silent slab killer.
- ✓Drainage managementDon't let water pool. Stagnant water on concrete = surface degradation. Fix sub-base settlements as they appear.
- ✓Salt rinse for coastal/pool propertiesWeekly fresh-water hose-down during salt season. Salt accumulation on surfaces destroys sealers and concrete itself.
- ✓Treat stains immediatelyOil, rust, organic stains all become harder to remove with time. Same-day cleanup keeps the sealer intact.
- ✓Don't pressure-wash too aggressivelyMore than 1,500 psi strips the sealer. Every aggressive wash shortens the life of the seal.
Do all seven and the slab has the best chance of lasting for decades. Skip them and it can fail well short of its potential lifespan.
Sealing schedule for maximum lifespan
How often you reseal depends on the sealer and how hard the surface works. As a guide:
- Topical (acrylic) sealer on outdoor concrete, usually recoat every 2 to 5 years, at the shorter end on coastal driveways, saltwater pool surrounds and stamped concrete.
- Penetrating sealer on outdoor concrete, lasts longer, around 5 to 7 years.
- Indoor polished concrete, no re-seal, re-polish every 7–10 years.
- Garage floor (polyurethane), re-coat every 8–10 years.
We give you the schedule for your sealer at handover.
For full detail on which sealer for which surface, see our concrete sealer guide.
Signs your concrete is in its final decade
How to read whether your driveway/alfresco/pool surround has 5 years left or 25:
TIPSEnd-of-life indicators
- ✓Multiple joints widening visiblySub-base movement is progressing. Repair buys time but the slab is on the back nine.
- ✓Pitting across more than 30% of surfaceSealer protection is failing and the concrete itself is degrading. 5–10 years from major work.
- ✓Stones falling out across wide areas (exposed aggregate)Cement matrix is failing, not just the surface. Re-seal won't fix this, re-pour ahead.
- ✓Visible reinforcement (rust marks on surface)Reo is corroding from inside the slab. Critical, usually means the slab is at end of life.
- ✓Cracks reopening within 12 months of repairUnderlying movement isn't going to stop. Re-pour planning time.
- ✓Sealer no longer holding 6 months after applicationThe concrete itself has degraded. Sealer can't grip degraded concrete. End-of-life signal.
Many Perth driveways show one or two of these signs later in life. Three or four = re-pour conversation. Five or six = re-pour now.
When to repair, when to replace
Decision framework once you've seen end-of-life signs:
- 1–2 signs, slab under 25 years old → repair + re-seal. Years of life left.
- 3 signs, slab 25–35 years → major repair + full reseal. Can buy 5–10 years.
- 3–4 signs, slab over 35 years → start planning re-pour. The repair work won't pay back.
- 5+ signs, any age → re-pour. The slab has failed structurally.
- Reinforcement visible → re-pour. No amount of surface work will save this.
For more on what we do at CoastCrete and our quality bar, see why choose us and our concrete driveway service. Read our concrete tips for ongoing maintenance guidance, or get in touch for a site visit.
Planning a job like this? Our concrete driveways page explains how we lay it, what is included and how our free on-site quote works.
About Richard Marsh
Founder · CoastCrete · 20+ years on the tools
Richard founded CoastCrete in Perth after a decade of pouring driveways, alfrescos and pool surrounds across the metro. He writes the articles, answers the calls, and runs the crew personally on every job, so what you read here is the same advice he gives clients on-site every week.
Read more articles by Richard →Common questions
Can I make my concrete last 50 years?
It is possible with a well-prepared base and active maintenance: sealing on schedule, joint care, drainage management, salt-rinse for coastal/pool properties. A sound slab can structurally outlast its surface finish, so finishes lasting that long usually need re-polishing or re-honing once or twice along the way.
Does concrete deteriorate faster on the coast?
Yes, properties within 1km of Perth's coastline see faster sealer breakdown, surface pitting and reinforcement corrosion. The fix is resealing at the shorter end of the range for your sealer.
What's the typical Perth driveway lifespan with zero maintenance?
8–15 years before significant surface failure. The slab structure can last longer but the finish degrades, stones come loose, the surface becomes rough and stained. Concrete that's never sealed in Perth ages dramatically faster than you'd think.
Do all concrete finishes age the same way?
No, polished concrete ages best (the polish layer is the concrete itself, not a coating). Honed is next. Exposed aggregate is mid-pack. Stamped concrete ages worst because the pigment is the most vulnerable element.
Is concrete more durable than tile or paving?
Generally yes for the slab portion. Tile and paving need joint maintenance and individual unit replacement over time. Concrete is one continuous surface that ages slowly. Both can typically last 30+ years with care.
What's the realistic warranty period for Perth concrete?
It varies. Many contractors offer a longer warranty on the slab and sub-base and a shorter one on finish work, so read the terms and what voids them before you sign. CoastCrete provides a written workmanship guarantee, with the terms set out in your quote.