Everything You Need to Know about Pool Plaster

School Summary:

We’ve included everything you need to know about pool plaster. We’ll walk you through exactly what pool plaster is and the three different classes of plaster.

If you’re a new owner of an in-ground pool, you may notice that the plaster may appear different than what you expected. With that in mind, we want to make sure you know what is considered “normal appearance”. To help you feel comfortable with your new pool or to help you make choices if you’re just designing your pool, we’ve included everything you need to know about pool plaster. We’ll walk you through exactly what pool plaster is and the three different classes of plaster. Let’s get started!

What is Pool Plaster

Pool plaster is the final seal and coating for a concrete pool. It’s usually the last step in creating and finishing your pool. Its main purpose is to add a watertight seal for in-ground concrete pools. Depending on the type of plaster you choose, it can give you a variety of different feels, colors, and designs. Pool plaster is crucial in keeping concrete pools sealed and protected.

One major thing to remember is that pool plaster can change colors or overall look as it sets and cures. Plaster is hand applied, so it is normal to expect slightly uneven areas, and the color will not be 100% uniform throughout the pool. Also, as the plaster cures, the appearance will change slightly. It is critical to maintain proper water chemistry during the curing process. If it isn’t properly maintained, a wide color variation may occur.

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3 Major Classes of Pool Plaster

The three major classes of pool plaster are white, aggregate, and pebbled. Each one offers something different as far as color, look, and feel. When you are getting your pool set up and designed, you’ll need to make the choice between one of these three options.


White pool plaster is the most common type of plaster used to finish concrete pools. The reason for its popularity is because it’s the most economical option and gives your pool a classy and sleek look. Instead of making your pool look busy or complicated, the white plaster finish offers you something with universal appeal. The water appears to be light blue, and can be mixed with additives such as quartz crystals to enhance the blue color.


People choose aggregate plaster because it combines the elements of regular pool plaster with small pieces of stone. The most common types of stone used in aggregate pool plaster are quartz, granite, river stones, or glass. Aggregate gives your pool a brilliant look that reflects and shines a little brighter, and is also much more durable than standard white plaster.

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Pebbled plaster is what pool owners choose when they want to give their pool more texture. Some people overlook the pebbled option, assuming that it will tear up feet and scratch skin, but the reality is that pebbled pool plaster is simply meant to offer a textured look that everyone can enjoy. Pebbled plaster (especially mini pebble) is not harsh on feet and swimsuits, but it gives your pool an eye-catching look that stands apart from the rest.

Choose Your Plaster Type

Now you know what to expect from pool plaster. If you don’t yet have a pool, we can help you get started on designing your dream pool. At Pool Stop, we can help you decide on the look, feel, and style of your pool. Give us a call to get started today!

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