Unlike traditional infilled systems that rely on silica sand and rubber granules for support, non-infill artificial turf depends on the structural performance of the yarn itself.

The fibers must work together while still allowing enough space for:

• Water drainage
• Air circulation
• Fiber movement
• Elastic recovery
• Consistent ball behavior

If fiber density becomes excessive, these functions can be compromised.

Typical issues associated with excessive density include:

• Reduced fiber resilience after repeated foot traffic
• Slower drainage during heavy rainfall
• Lower airflow, potentially increasing moisture retention
• Firmer playing characteristics
• Increased material consumption without proportional performance improvement

For this reason, modern sports turf engineering focuses on system optimization rather than maximum yarn quantity.