Infilled artificial turf, also known as 3G artificial grass, is a traditional turf system that requires granular material to be filled between the synthetic grass fibers after the turf installation is complete. These materials, referred to as “artificial turf infill,” commonly include quartz sand, rubber granules, and organic granules.
The synthetic turf within this artificial grass system does not function in isolation; rather, it works in synergy with the infill material to collectively form a complete system.
If your supplier suggests something along the lines of, “requires 6–26 kg/m² of sand infill,” then what you are looking at is an infill-type artificial turf.
What Does Infill Do in Artificial Turf?
- Supports the grass fibers: Infill helps the fibers stay upright, which keeps the turf looking fuller and more natural over time. Without it, the surface may flatten faster, especially in frequently used areas.
- Adds weight and stability: Infill acts as a ballast layer, helping the turf stay in place. Particularly in large-scale outdoor paving projects, or in areas susceptible to strong winds or heavy foot traffic (high pedestrian load).
- Improves durability in high-use areas: Infill reduces friction at the base of the fibers, which can help extend the lifespan of the turf under heavy use.
- Provides cushioning for sports applications: For sports fields, infill is essential. It helps absorb impact and improves player comfort and safety.
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