When selecting synthetic grass for playgrounds, one of the essential priorities is how effectively it dissipates force. Shock absorption refers to the turf’s ability to cushion blows during sudden falls or landings. This is fundamental to user comfort, particularly in reducing risks of brain trauma, cartilage wear, and stress fractures. Turf systems vary significantly, and understanding these distinctions enables you to make a more informed choice.

The underlayment beneath the turf plays a decisive role shock absorption. High-performance installations often employ a padded composite base composed of EVA padding or 熊本 人工芝 施工 crumb rubber. These materials are engineered to deform temporarily and then recover their shape, thereby transferring stress away from the body. Turf installed without any cushioning provides negligible shock absorption and can heighten accident potential.

The type and arrangement of synthetic fibers also determine cushioning quality. Longer fibers generally offer enhanced shock buffering because they provide additional space to bend. However, when pile height is too high they may become unstable underfoot. Fiber gauge and shape are equally important—some fibers feature twisted contours to boost rebound characteristics. Higher pile density typically results in superior shock absorption because increased fiber volume to reduce localized pressure.

Infills serve as a vital component. Common infill options include silica granules, rubber granules, and green infills such as coconut husk fibers. Rubber infills remain the most popular choice due to their excellent cushioning. Sand is more affordable but offers very little cushioning and tends to lose effectiveness. Hybrid infill systems integrate different substrates to optimize durability. Field analyses indicate that infill depth is a key variable, with 15 to 20 millimeters often recommended for optimal safety.

Environmental conditions modulate performance. In sun-exposed areas, turf may lose flexibility from heat, thereby diminishing impact protection. Newer turf technologies now include cooling backings to preserve elasticity. Moisture levels also affect outcomes: while certain turf types perform better when slightly moist, others may become unstable if flooded.

Third-party evaluators use standardized protocols such as the impact attenuation test to quantify shock absorption. A lower Gmax score indicates better impact mitigation, with safety thresholds typically set below 200 for competitive venues. Consumers should select systems that have been third-party certified by recognized bodies such as the ASTM International.

When evaluating turf options, review independent lab results and select the configuration to your intended use. A home landscape doesn’t require the rigorous performance as a high school football field. Always consult a qualified installer who can recommend the ideal system based on your cost targets, environmental conditions, and performance goals. Choosing turf with effective cushioning is more than just convenience—it’s a critical safety decision that can avoid long-term trauma.