Does artificial turf require drainage?

Today, artificial turf is widely used in residential courtyards, commercial plazas and sports venues. Drainage issues have become a focus of concern for many users. So, does artificial turf need drainage? The answer is yes. Even if the artificial turf itself has a certain drainage performance, it is still necessary to evaluate whether an additional drainage system is needed according to the actual site conditions to ensure the service life and functional performance of the turf.

Artificial turf has a natural drainage structure

Most high-quality artificial turf products are designed with evenly distributed drainage holes on the backing layer, and the permeable pad (such as gravel or sand) laid on the bottom layer can quickly guide water into the ground during rainfall. This structure gives artificial turf a natural drainage ability, making it less likely to accumulate water, helping to keep the grass dry, reduce the risk of slipping, and improve reliability for all-weather use.

Why is an additional drainage system needed?

Although the lawn itself can drain water, this does not mean that it can perform drainage tasks in any environment. In particular, additional drainage systems are particularly important in the following situations:

Low-lying or flat terrain: Rainwater is difficult to flow out naturally, and it is easy to form a water accumulation area under the lawn;

Heavy or impermeable soil: Water is difficult to penetrate the ground, resulting in slow drainage or even reverse infiltration;

Areas with high groundwater levels: It is easy to cause the lawn to float, deform or damage the backing layer;

Large paving area: When the rainfall is concentrated, the self-contained drainage holes are difficult to bear the instantaneous drainage pressure.

In these scenarios, not installing an additional drainage system will cause the lawn to be "soaked in water", have odors, loose structure and other problems, seriously affecting its appearance and service life.

Common auxiliary drainage measures

In order to enhance the drainage effect, the following methods are usually combined before laying artificial turf:

Drainage pipe system: divert water to the drainage point through the underground pipe network, which is suitable for projects with large areas or high drainage pressure;

Gravel permeable layer: lay gravel or crushed stone layer under the lawn to improve the overall water seepage capacity of the ground;

Base slope design: design a moderate slope during foundation construction to allow water to flow out naturally;

Improved soil: add sand or permeable materials at the bottom of the site to improve natural permeability.

Reasonable drainage to ensure the long-term use of artificial turf

Although the structure of artificial turf has certain drainage functions, a good drainage system is an important guarantee for the long-term and stable operation of the lawn. Especially in sites prone to water accumulation or poor drainage conditions, the appropriate installation of a drainage system can not only prevent the lawn from being damaged, but also improve the use experience and safety of the site. Drainage design should not be ignored. It is the "invisible foundation" to ensure the quality and beauty of the lawn.