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FIFA (Fédération Internationale de Football Association) - Performance Testing for Sports Fields
| Levelness | < 10mm(3m) |
| Slope | Should not exceed a gradient of 3-5 per thousand |
The levelness and slope of the field are crucial for ensuring the smooth installation of artificial turf.
| Vertical Deformation | |
| FIFA Quality: | 6 – 11mm |
| FIFA Quality Pro: | 6 – 10mm |
| Shock Absorption | |
| FIFA Quality: | 57% - 68% |
| FIFA Quality Pro: | 62% - 68% |
| Rotational Resistance | |
| FIFA Quality: | 32-43NM |
| FIFA Quality Pro: | 27-48NM |
This test evaluates how the field surface impacts the movement of athletes, specifically focusing on the resistance encountered during rotational movements. Using studded shoes, we measure the rotational resistance, which is crucial for player safety. If the resistance is too high, it could increase the risk of injury due to excessive grip. On the other hand, too little resistance could lead to slipping during quick turns or sudden changes in direction.
| Ball Roll | |
| FIFA Quality: | 4m – 12m |
| FIFA Quality Pro: | 4m – 8m |
Understanding how a ball interacts with the artificial turf is crucial for maintaining consistent play conditions. The ball roll test evaluates the resistance the field provides as the ball travels across its surface. Measured under standard slope conditions, the distance the ball rolls is a key indicator. On artificial turf, if the surface doesn't offer sufficient resistance, the ball may roll faster than expected, posing challenges for players who are more familiar with the dynamics of natural grass.
| Ball Rebound | |
| FIFA Quality: | 0.60m –1.0m |
| FIFA Quality Pro: | 0.60m - 0.85m |
A crucial aspect of ensuring that the ball's bounce on artificial turf closely resembles that on natural grass is the ball rebound test. By dropping the ball from a standard height and observing how it bounces, this test measures the rebound characteristics of the artificial turf , which are essential for player acceptance and comfort.
Construction Process and Recommendations
Foundation Construction/Repairs
Install Shock Pad → Lay Artificial Turf → Apply Line Markings
Infill with Quartz Sand and Eco-Friendly Granules
Use Professional SMG Equipment for Field Grooming/ Maintenance
Base Surface Types
Cement foundation
Asphalt Base
Construction Process
- Field leveling
- Retaining wall construction
- Lime-stabilized crushed stone layer
- Concrete or asphalt base construction
Permeable Base
The permeable base consists of durable geotextile modules, with a depth of about seven centimeters per module. Each square meter is divided into uniformly sized spaces filled with reusable local soil or crushed stone.
- The grid system creates securely enclosed spaces, typically filled with local soil or crushed stone, providing stability and flexibility depending on the project's needs
- Suitable for both traditional vertical drainage and lateral drainage, this system efficiently manages water, enhancing the durability of the artificial turf
- The use of local soil or crushed stone not only reduces costs but also supports environmental sustainability by reusing resources
Infill Eco-Friendly Granules
Green Eco-Friendly Granules - National Standard
- Excellent UV resistance, withstanding up to 5000 hours without significant degradation or dust generation
- Enhanced durability with superior wear resistance and antioxidant properties
- Provides a safe and comfortable playing surface for athletes
- Reduces installation time and lowers overall costs
- Environmentally friendly and fully recyclable
SBR Granules
SBR (Styrene-Butadiene Rubber) granules offer superior durability, heat resistance, and aging resistance compared to natural rubber. These granules are highly versatile, making them compatible with both natural rubber and various synthetic rubbers. Their excellent performance characteristics make them an ideal choice for creating resilient and long-lasting artificial turf surfaces.
Shock-Absorbing Layer and Quartz Sand
Green Eco-Friendly Granules - National Standard
- Provides excellent shock absorption, vertical deformation, and ball rebound, closely replicating the feel of natural grass while enhancing player safety
- Resists degradation, dust formation, and corrosion, ensuring a long-lasting product life
- Maintains stability and resists expansion or contraction, even under varying temperatures
- Continues to offer superior drainage capabilities, keeping the field dry and playable
- Minimizes surface wear, extending the lifespan of the playing field
Infill Quartz Sand
- Shape: Round, with no sharp edges to ensure uniformity and safety
- Particle Size: 0.35-1mm, providing the ideal balance for infill applications
- Mesh Size: 20-40 mesh, ensuring consistent distribution throughout the artificial turf .
- Silica Content: ≥90% for high-quality performance and durability.
- Color Options: Available in yellow and white to suit different preferences
Optional (Irrigation System)
In addition to natural grass, which naturally requires irrigation, many official sports events also include watering artificial turf before the game. This process is not just about cooling the surface; it also helps to eliminate static electricity, creating optimal conditions for athletes to perform at their best.
Maintenance Recommendations
Artificial Grass Cleaning
Artificial Turf Grooming
Over time, infill materials can compact, causing the artificial turf fibers to bend under pressure and lose their upright position. Regular grooming with a specialized turf groomer can effectively address this issue, restoring the artificial turf's appearance and performance.
Maintenance frequency: It is recommended to perform grooming at least twice a year.
Supplementing Infill Material
Due to regular use, weather, and natural wear, the infill materials like quartz sand and rubber granules may settle over time. Regular grooming and replenishment of these infill materials help maintain the artificial turf's levelness, elasticity, and comfort, ultimately extending the lifespan of the artificial turf.
Maintenance frequency: The schedule should be adjusted based on the depth of the infill material on the field.
