When having a custom pool installed in your house or undertaking a renovation of an existing pool, you can opt for different types of finishes.

If you want a classic look, plaster is a good option, and you can even get it dyed for further customisation. However, one of the most popular options is using an aggregate finish.

Why Choose Aggregate For a Pool

We have created this excellent guide for those unaware of the different types of pool finishes. We have also mentioned the different types of aggregates that you can select to customise your pool.

So, without any further ado, let us get down to business.

What Is An Aggregate Pool Finish?

The first thing is to learn what an aggregate pool finish is and how it works. As the name implies, a pool aggregate consists of a mixture of different types of materials. These materials are generally composed of ground and sanded river pebbles.

The aggregate is prepared by crushing and mixing these pebbles. This finish offers the next level of customisation after the traditional plaster finish. Besides river pebbles, an aggregate finish can also be composed of ceramic-coated crystals, glass, stones, etc.

Types Of Aggregate Pool Finishes

There are several different types of aggregate finishes that you can go for. These include the Quartz Aggregate, which can add colour to your pool. It also provides your pool with lustre and smoothness.

Another excellent option would be to go for granite and marble aggregates. These natural stones can also be ground up for a plaster finish. However, these options are costlier than Quartz Aggregate.

The third option is the Pebble Aggregate that includes accent stones, dyes, cement, and other materials. This type of aggregate is ideal for providing a natural look to your pool. There are many colour options for you to select from, and you also get a non-slip, textured surface.

Yet another popular option that you can opt for is a Seashell Aggregate. Seashells are generally included in pebble aggregates and provide a sparkling and smooth surface for your pool.

There are other types of aggregate finishes, offering different kinds of textures and appearances. Their various constituents cause variation in pool aggregates.

Advantages Of Using Pool Aggregates

There are several benefits of using an aggregate finish for your pool. The thing to understand is that different types of aggregate offer different types of benefits for your pool. Here are some of the advantages that pool aggregate finishes offer:

Aggregate Finish

1. Provide Durability

Most types of aggregate finish contain varying amounts of stone and other materials. It provides strength and durability to the finish, ensuring that it lasts long. They also become more resistant to chemicals and staining used to clean the surface.

Aggregate finishes are also more resistant to algae growth, a common problem with other types of finishes. While an aggregate finish is costlier than a plaster one, it provides a much tougher and heavy-duty surface and can withstand more weight.

2. Increased Lifespan

An aggregate pool finish can also help increase the lifespan of your pool. Chemicals and pool water can degrade the finish of your pool. Since aggregates contain many different materials, the chemicals and water react differently with them.

An aggregate can also withstand the effect of the elements better. How long the finish lasts depends upon its constituent materials. Pebble aggregates can last up to twenty years, while quartz aggregates have a lifespan of around twelve years.

3. Wider Customizability

Due to the numerous types of constituent materials that go into an aggregate finish, you get several choices for changing the look of your pool. There is no end to the possibilities regarding the design of your pool.

An aggregate pool finish helps you improve and customise the aesthetics of your pool. You can get different colours, textures, shapes, lighting designs and effects. It is one of the primary reasons why this type of finish is becoming so popular in recent times.

4. Convenient

Unlike a plaster finish, an aggregate pool finish appears to be very rough due to the different materials such as pebbles, stones, shells, etc. However, despite the rugged appearance, an aggregate pool finish is much more comfortable underfoot and provides a non-slip surface as well.

According to research, the exposed aggregate finish is one of Australia’s most popular slip-resistant materials. Even local authorities and governments use this material for swimming pools.

Safety should be your biggest priority when designing a pool. An aggregate finish also provides a better grip and more excellent traction to the pool’s surface, and you can even get custom-blended textures quickly.

5. Requires Lesser Maintenance

A plaster aggregate is highly susceptible to algae growth and must be acid-washed completely once every three to five years. This process requires both time and effort, not to mention the cost.

The texture of the finish makes it relatively clean, as it is difficult for dirt to enter through gaps. Also, when it does get dirty, the aggregate is easy to clean using a pressure washer or just water with pressure as the dirt only remains on the surface. The aggregate does an excellent job of hiding colour variations that occur over time.

Plaster also tends to crack much more quickly, requiring more excellent care and frequent repairs. On the other hand, an aggregate finish is easier to maintain as it does not crack and stain. It does not require acid-washing since algae cannot multiply on the surface.

6. More Economical In The Long Run

While getting an aggregate finish for your pool is initially more expensive than the more traditional plaster finish, it helps you save more in the long run. It helps reduce the overall cost of the pool in the future, as you do not need to spend money on frequent repairs and maintenance.

Another way to reduce the cost is to select the maximum allowable aggregate size. When you use a larger coarse aggregate, it lowers the cost of the finish by reducing the cement requirements. Lesser cement also requires more secondary water for a constant ratio, reducing the chances of cracking due to shrinkage.

Similarly, a pool with an aggregate finish does not require cleaning as frequently as one with a plaster finish. Modern-day cleaning procedures such as an acid wash are also quite costly. With an aggregate finish, you also get to save on such expenses.

Points To Keep In Mind

Light Aggregate Finish

You should keep in mind some points when going for an aggregate for your pool finish. These points will ensure that your aggregate finish provides you with the desired results and lasts a long time.

So, let us take a look at what these points are:

  • An aggregate pool finish must be refined and resurfaced around 15-20 years.
  • It is best to use a water softener to prevent calcium buildup in the aggregate.
  • The cost of aggregate depends on the size of the pool and the aggregate materials.
  • Proper installation and water management are more important than the type of finish you select.
  • Colour variations in the aggregate can occur due to the sun, chlorine, water flow, etc.
  • Water pH and CSI also impact the life of the aggregate.
  • Keeping the CSI between -0.3 and 0 is ideal for extending the life and retaining the appearance.

These important points will help you get the best use out of your aggregate pool finish.

An Aggregate Finish For Your Pool

With the help of this guide, we hope you now know about the benefits of using an aggregate for your pool finish. From the high level of customisability to the low maintenance requirements, there are several reasons why you should choose aggregate for your pool finish.

Aggregate finishes offer exciting opportunities with lots of options for pool enthusiasts looking to install a new pool or renovate an old one. Put a unique spin on your pool with this finish.

So, get your pool installed or renovated with the aggregate finish of your choice for a great experience. Till next time!

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