The finish is the surface you actually touch and look at every day — and it decides how your pool ages. The two main choices are standard plaster and PebbleTec (a pebble-aggregate finish). Plaster costs less upfront; PebbleTec costs more but lasts roughly twice as long, looks richer, and resists the staining and etching that wear plaster out. Here is how they compare — and how to make sure the company applying yours is a registered PebbleTec Elite builder.
- ◆Lifespan: PebbleTec lasts 20+ years; standard plaster lasts about 7–12 years.
- ◆Cost: plaster is cheaper upfront; PebbleTec usually wins on lifetime cost.
- ◆Durability: PebbleTec resists staining and etching far better than porous plaster.
- ◆Before you sign: confirm your builder is a registered PebbleTec Elite builder for genuine product and a valid warranty.
What is plaster?
Standard plaster (often called "white marcite") is a mix of white cement and marble dust troweled over the gunite shell. It is the traditional, lowest-cost finish and gives a pool that classic bright-blue look.
- Lowest upfront cost — the most affordable way to finish a gunite pool.
- Classic look — the familiar smooth white surface and light-blue water.
- Trade-offs — it is porous, so it stains, etches, and shows scale more easily, and it typically needs replastering every 7–12 years.
What is PebbleTec?
PebbleTec is a premium finish that blends natural pebble aggregate with cement, exposed to create a durable, textured surface. It is the finish most custom builders reach for when longevity and looks both matter.
- Longevity — a properly applied PebbleTec finish commonly lasts 20+ years, roughly double a plaster finish.
- Durability — the pebble surface resists staining, etching, and chemical wear far better than plaster.
- Look & water color — a deeper, more natural range of colors and water tones, from Caribbean blue to dark lagoon.
- Trade-offs — higher upfront cost, and the texture is slightly more pronounced underfoot than smooth plaster (the finer "PebbleSheen" and "PebbleFina" blends soften this).
PebbleTec vs. plaster: side-by-side comparison
The short answer: plaster wins on upfront price, PebbleTec wins on everything else — lifespan, durability, looks, and lifetime value. Here is the head-to-head:
| Factor | Plaster (white marcite) | PebbleTec |
|---|---|---|
| Lifespan | 7–12 years | 20+ years |
| Upfront cost | Lowest | Higher (premium) |
| Stain & etch resistance | Lower (porous) | High |
| Texture underfoot | Smooth | Lightly textured (PebbleSheen/Fina softer) |
| Color & water tone | Classic light blue | Wide range, deeper tones |
| Typical maintenance | More brushing & chemistry | Lower upkeep |
| Best for | Tight upfront budget | Longevity & lowest lifetime cost |
PebbleTec vs. plaster — the short version
Choose plaster if upfront budget is the deciding factor and you are comfortable replastering in a decade or so. Choose PebbleTec if you want the longest-lasting, best-looking surface and the lowest lifetime cost — because doubling the lifespan of the finish usually makes it the better value over the life of the pool. For the custom backyards we build across the Hill Country, PebbleTec is what we recommend and install.
How to verify a registered PebbleTec Elite builder
"PebbleTec" is a registered product made by Pebble Technology International. Only trained, registered builders are authorized to install genuine PebbleTec finishes — and that registration is what protects your manufacturer warranty. Before you sign with anyone, confirm it yourself:
- Check the official builder locator — search the company on the Pebble Technology (PebbleTec) website's authorized builder directory and confirm their Elite or Preferred registration.
- Ask to see the credential — a registered builder can show their current PebbleTec builder standing in writing.
- Confirm genuine materials — make sure the quote specifies real PebbleTec products, not an unbranded "pebble-style" aggregate that voids the warranty.
- Request recent local installs — ask for photos and addresses of PebbleTec pools they have finished nearby, and how those surfaces have held up.
- Get the warranty in writing — the manufacturer finish warranty only applies when a registered builder installs genuine product.
Why it matters: an unregistered installer using look-alike aggregate can leave you with a finish that wears out years early and no manufacturer coverage to fall back on. Verifying registration is a five-minute step that protects a finish meant to last two decades.
Frequently asked questions
Is PebbleTec better than plaster?
For most custom pools, yes. PebbleTec lasts roughly 20+ years versus 7–12 for standard white plaster, resists staining and etching, and offers a wider range of colors and textures. Plaster's main advantage is its lower upfront cost.
How much more does PebbleTec cost than plaster?
PebbleTec is a premium upgrade over standard white plaster. Because it lasts about twice as long, most homeowners find the lifetime cost is similar or lower, since you replaster far less often.
Does PebbleTec feel rough on your feet?
It has a light texture compared with smooth plaster. The finer blends — PebbleSheen and PebbleFina — use smaller pebbles for a smoother feel while keeping the durability of an exposed-aggregate finish.
Can you apply PebbleTec over existing plaster?
Yes. During a resurface the old finish is prepped or chipped out and a new PebbleTec finish is applied over the gunite shell, so an older plaster pool can be upgraded to PebbleTec.
Want a genuine PebbleTec finish, installed right?
We install authentic PebbleTec finishes and are happy to walk you through colors, samples, and our builder credentials. Tell us about your project and we'll put together a transparent, itemized quote.