In a conventional infilled system, sand and performance infill can contribute to fiber support and stabilization. A non-infill system has much less reliance on loose infill, so the fiber system and backing construction play a more important role.
The main factors include:
- Fiber cross-sectional geometry
- Fiber polymer formulation
- Straight-to-curly fiber ratio
- Fiber Dtex
- Stitch density
- Pile height
- Tuft bind and backing strength
- UV and weathering resistance
- Drainage design
- Overall system construction
A well-designed combination can help the turf maintain its upright appearance and functional properties under repeated foot traffic.
However, higher density, higher Dtex, or a more complicated cross-section does not automatically mean better turf. The parameters need to be balanced according to the intended application.
Main Grass Fiber Structures for Non-Infill Turf
| Fiber Structure | Typical Characteristics | Main Advantages | Suitable Applications |
|---|---|---|---|
| Flat / basic monofilament | Simple geometry | Cost-effective and visually uniform | Decorative landscaping, low-traffic areas |
| S-shaped monofilament | Reinforced asymmetric profile | Good resilience and resistance to deformation | Schools, recreational areas, football applications |
| C/U-shaped fiber | Grooved profile | Good lateral flexibility and resilience | Multi-purpose recreational areas |
| Hollow diamond profile | Reinforced hollow geometry | High structural efficiency and recovery potential | High-use sports applications |
| Straight + curly combination | Different fiber types work together | Balance between support and cushioning | Sports fields, schools, community facilities |
| 3D / spiral-type fiber | Three-dimensional geometry | Multi-directional support and recovery | Higher-performance sports applications |
The best option depends on the project rather than the fiber shape alone.
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