CFB Materials Selection 3

Question 1

A field builder must select turf fiber pile height for a soccer-specific synthetic field. What range is typically specified by FIFA Quality Programme standards?

Accepted Answer

40–60 mm

Answer

FIFA Quality Programme for football (soccer) specifies synthetic turf pile heights in the 40–60 mm range for proper ball roll and player interaction.

Question 2

Which material is typically used for the backing of synthetic turf to provide dimensional stability and tuftbind strength?

Accepted Answer

Woven polypropylene with latex coating

Answer

Woven polypropylene primary backing coated with latex is standard practice, providing dimensional stability and locking turf fibers in place.

Question 3

When selecting infill for a field located in a hot, sun-exposed climate, which alternative infill best reduces surface temperature compared to crumb rubber?

Accepted Answer

Thermoplastic elastomer (TPE)

Answer

Thermoplastic elastomer (TPE) infill absorbs and retains significantly less heat than crumb rubber, reducing synthetic turf surface temperatures.

Question 4

A field builder is evaluating stone base materials. Which property is most critical for long-term base stability under heavy traffic loads?

Accepted Answer

Angularity and particle shape

Answer

Angularity and particle shape determine how aggregate particles interlock, which is critical for resisting deformation under heavy traffic loads.

Question 5

Which standard governs the minimum shock absorption (Gmax) requirements for synthetic turf used in US football fields?

Accepted Answer

ASTM F355

Answer

ASTM F355 is the standard test method for shock-absorbing properties of playing surface systems and materials, used to measure Gmax on synthetic turf.

(CFB) Certified Field Builder Practice Test

(CFB) Certified Field Builder Practice Test

CFB Materials Selection 3