What Thickness of Above-Ground Pool Slab?

You want to have a pool, but you don’t have the budget to offer it. Fortunately, there are several cost-effective solutions, including the installation of a concrete slab for above ground pool . Find out more about the concrete slab for an above ground pool.

What is a concrete slab for swimming pool?

Many people find it difficult to distinguish the following terms: slab, paving and radiating.

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A slab is an overall term that refers to a horizontal concrete structure with dimensions larger than its thickness. There are various types of slabs: house slab, terrace slab, slab for garden driveway, parking slab…

A paving refers to a floor surface structure. The paving is commonly 12 to 15 cm thick. It usually serves as a floor for a dwelling without a basement. The paving is not indicated to serve as a support for very heavy loads, especially above ground pools.

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The write-off is a work that plays the role of a foundation for the construction of a house or swimming pool. This slab shape has a higher thickness and density than the paving.

It is therefore able to withstand heavy loads such as the wall of a house, a swimming pool, the poles… It is a seat that allows to start perfectly the heaviness of the load and thus provide perfect stability to the construction.

The characteristics

A good basis for an above ground pool should have the following properties:

The base should be flat and uniform

The place where you plan to install your above-ground pool should be properly leveled. According to a professional, the difference from side to side higher to one inch is noticeable.

This could cause a large amount of water to be effluent out of the pool. A 3-inch difference would quickly have a heavy impact on the pool.

It is worth noting that leveling a bare floor is not easy. By resorting to concrete, you have the advantage that it has the ability to level itself on a floor that is not perfectly at equal level.

In addition, because it is liquid, fresh concrete becomes flat without much effort while removing puncture cases due to the roots of a lemon tree for example.

Ask for free quote! The base must be solid

A swimming pool receives at least 1.5 tons per m2. This weight is much higher than that of a car. Why the base will have to be really solid.

Your above ground pool tile must be at least 15 cm thick. Plus the load to withstand will be higher the thicker your slab will be.

The base should protect the pool from rain and snow melt.

As surprising as it may seem to you, the pool needs protection from rain. Indeed, if the pool is laid directly on the ground, the water from rain or snow melt will infiltrate below.

The weight of the water contained in the pool creates a framework conducive to the development of mold under the pool. This can be dangerous to the health of children and can deteriorate the vinyl coating in the long term.

With a concrete slab, the runoff water will pass around the slab instead of passing under a pool. In addition to avoiding any case of soil erosion under the pool, the flow of water around the slab can be a good way to water the flowers you will plant around your above-ground pool.

Why is it necessary to make a slab under an above ground pool?

Carrying out a slab under an above ground pool is a job that requires enough precautions. This is intended to avoid cases of ground weakening hence the importance of the slab.

Indeed, the slab aims to serve as a solid support for the pool. Its importance is seen more when the pool is made of wood. The tile provides protection to the wood and prevents it from degrading under the influence of moisture.

Ask for free quote! How to determine the minimum thickness of the tile?

Before you start, be aware that the thickness of a tile varies depending on the type of pool. When you purchase a pool kit, the manufacturer usually gives you technical documentation.

In this document is indicated the thickness of the tile. If there is no information, you can find the thickness that the Slab for swimming pool based on the rules of art.

Regardless of the type of your pool, there is a minimum to respect for the size of an above ground pool concrete slab. Its thickness should be at least 15 cm.

For minimal reinforcement, order in the lower third of the thickness of the slab, a welded wire sheet with 15 cm square mesh and Ø 7 mm of wire and another of the same dimension in the upper third of the thickness of the slab.

If you are not sure about your calculations, you can increase the thickness of your tile or resort to a specialist in the field. The latter will help you make the calculations.

How to make a slab for an above ground pool?

Before embarking on the realization of your concrete slab for above ground pool , take the trouble to check the homogeneity, the Equal and sufficient lift of the floor on which will be laid the concrete slab for swimming pool.

For more precautions, contact an expert. Once it is done, you can start the different stages of realizing a concrete slab for above ground pool.

First of all, start with the preparation step. Using pegs, circumscribe the location of the concrete slab. The slab should be a little wider than the pool. Consider a slope for the discharge of water.

Then bring a shovel or a small backhoe backhoe. This will help you dig the soil. Then pour a bed of gravel while ensuring its uniformity.

Lay on top a mixture of sand and gravel. When done, tame the floor for stability of the surface. Make a formwork according to the dimensions of the pool and make the installation of a reinforcement…

The next step this is the calculation of the volume of concrete you will need. This calculation of concrete is important, because it allows you to not order more concrete than necessary or not run out of concrete when pouring.

To calculate the volume of a concrete slab, you just need to multiply the area of the slab in square meters by its thickness in meters. The surface of the slab is calculated according to its shape: rectangular, triangular, trapezoidal, circular…

Ask for free quote! If the shape of your slab is not among the elementary shapes, split it into those shapes to find its surface.

Now you can place the order for your concrete. On a cement tarpaulin, mix your concrete with sand and gravel. Then pour water and mix with your hand or a concrete mixer until a homogeneous mixture is obtained.

You can proceed to pouring concrete. Using a Rule made of aluminum, be sure to equalize the tile. Get a smooth surface by using a float.

Make regular circle movements. Wait 24 hours before placing anything on your concrete slab or remove the formwork. For any help, you can contact us.