How often should a pool be resurfaced?

A pool needs resurfacing every 7 to 25 years, and where yours lands in that range depends on two things: what the finish is made of, and how the water was kept. Standard plaster sits at the short end. Pebble aggregate sits at the long end. Chemistry decides whether you see the top or the bottom of each range.

What each finish gives you

Those are the typical ranges we see for concrete pool resurfacing in Connecticut with reasonably balanced water. We have seen plaster die at year five in a pool that ran acidic, and we have seen it push past twelve in a pool that was watched like a bank account.

The signs your finish is done

The calendar is a guide. The surface is the evidence. Four signs cover most of it.

What year twelve looks like from inside the pool. The shell under this finish is usually fine; the finish is done.

How the job actually goes

Resurfacing has a reputation for mystery it does not deserve. Here is the whole sequence.

The work itself usually runs from several days to about two weeks once it starts. What stretches timelines is scheduling and weather, which is exactly why the booking season matters.

Choosing the next finish

Resurfacing is also the one moment you get to change what the pool feels like, so the material question deserves more than a price comparison.

Standard plaster is the classic white finish: the lowest cost, the brightest water, and the shortest life. It shows chemistry mistakes fastest, which is either a bug or an early-warning feature depending on how you run your water.

Quartz blends crushed quartz into the plaster. It buys hardness, stain resistance, and a few extra years, plus color options that shift the water from tropical light blue to deep lake blue. The middle path for a reason.

Pebble is the marathon runner: 15 to 25 years, the most textured underfoot, and the most forgiving of imperfect chemistry. It costs the most and turns the pool a rich mottled color that either sells the house or does not match it, so look at finished pools, not sample boards.

The honest tiebreaker: if you plan to be in the house past year ten, the longer finishes usually win the math. If you are staging to sell, bright new plaster photographs like a brochure.

Why waiting costs more here

The finish is the waterproof jacket on the gunite shell. In a warm climate a worn finish is mostly a cosmetic problem. In Connecticut, water that reaches the shell freezes inside it every winter. Wait two extra seasons and the resurfacing quote starts including structural prep it did not need before.

Frequently asked questions

How often do gunite pools need to be resurfaced?

Standard plaster typically runs 7 to 12 years, quartz 10 to 15, pebble 15 to 25. Water chemistry is the biggest variable; balanced water adds years, aggressive water subtracts them.

How long does it take to resurface a pool?

The work itself usually runs from several days to about two weeks once it starts, then the new finish cures while the pool refills and the chemistry gets balanced.

Can you resurface a pool without draining it?

No. The pool comes down, the old surface gets prepped or removed, and the new finish goes on dry. Anyone offering a no-drain resurface is selling something else.

What happens if I wait too long to resurface?

The finish is what protects the gunite shell. Once it wears through, water works on the structure itself, and a resurfacing job starts turning into a repair job.

Does resurfacing fix leaks or cracks?

Not structural ones. Cracks in the shell get repaired first, then the new finish goes over sound structure. Finish over a moving crack fails fast.