A pool needs resurfacing when its interior finish has worn out: the plaster feels rough, stains won't come off, the color has gone blotchy, or spots have chipped or worn down to the gray layer beneath. Most plaster finishes last somewhere between 10 and 15 years, and pebble finishes longer, so many pools in older Mesa neighborhoods are due.
Resurfacing is a major project, so it's worth knowing which problems actually mean the surface is done and which can be fixed with cleaning or water balance.
Signs the surface is worn out
Rough texture. Plaster should feel smooth. When it feels like sandpaper, scrapes feet, or snags swimsuits, the top layer has worn away. Rough plaster also holds algae and dirt, so the pool gets harder to keep clean.
Stains that won't come off. Some stains respond to cleaning or treatment. Deep, widespread staining that comes back no matter what usually means the surface has become porous.
Etching and pitting. Small pits, pockmarks or a chalky, eroded look come from years of water that was out of balance. Low pH and low calcium hardness pull calcium out of plaster.
Delamination. Hollow-sounding spots or areas where the plaster lifts or flakes off mean the finish is separating from the shell. These can spread quickly.
Exposed patches. Spots where the colored finish has worn through to the gray layer underneath, especially on steps, benches and around fittings.
Cracks. Fine surface cracks in plaster are common and often cosmetic. Wider cracks, or cracks that grow or leak, need an inspection, because they may involve the shell rather than just the finish.
Problems that don't always mean resurfacing
- White scale at the waterline. That's calcium scale from hard water, and it's usually a tile cleaning job, not a resurfacing job.
- Light staining. Metal and organic stains can often be treated without replacing the surface.
- Cloudy or green water. That's a chemistry and filtration issue.
- A small chipped area. Spot repairs are sometimes possible, though patches rarely match an older finish perfectly.
Why Mesa pools wear out
Arizona is hard on pool finishes. Intense sun and long, hot summers speed up chemical reactions in the water. Hard water deposits scale, and aggressive water corrodes plaster when the balance swings the other way. Many Mesa neighborhoods built in the 1970s through the 1990s still have their original surface, or one that's been redone once and is now near the end of its life again.
Resurfacing options
Plaster. The traditional white finish. It's the least expensive option but has the shortest life, and it shows wear and staining sooner.
Quartz. Plaster blended with crushed quartz for a more durable, stain-resistant surface, available in colors.
Pebble. Small, smooth pebbles set in cement. It's the most durable of the three and very popular in Arizona, with a natural look and a longer lifespan. It feels textured underfoot.
What the process looks like
Resurfacing is done by a pool contractor with a license that covers it; in Arizona, the R-6 service and repair license specifically excludes replacing a plaster or pebble interior. The usual steps:
- Drain the pool.
- Remove or rough up the old surface so the new one bonds.
- Repair any cracks and replace tile or fittings if needed.
- Apply the new finish.
- Refill and carefully balance the water during a start-up period, which is critical for how the new surface cures.
Many homeowners replace the waterline tile at the same time, since the pool is already drained.
How long resurfacing takes
From draining to swimming, most resurfacing jobs take about one to two weeks, depending on the finish, the weather and any tile or crack repairs. The new surface also needs careful attention for the first few weeks after the refill: daily brushing and close water balancing while it cures. Skipping that start-up period is one of the most common reasons a new finish stains or roughens early.
Plan the timing around the weather. Spring and fall are popular in the Valley, because extreme summer heat makes the work harder and can affect how the finish cures.
Making a new surface last
Balanced water is the biggest factor. Keep pH, alkalinity and calcium hardness in range, brush regularly, and clean the filter so dirt doesn't settle and stain. Weekly service from a pro who tests the water every visit is one of the best ways to protect a surface that costs thousands to replace.
Not sure if your pool needs it?
A local pro can look at your pool, tell you whether the problem is the surface or the water chemistry, and handle repairs or balancing in the meantime. If you're in Mesa, Gilbert, Apache Junction or Gold Canyon, send a request below or call (480) 788-5344.