Why TPE tends to run cooler than crumb rubber

Color and reflectivity

Most crumb rubber is SBR made from recycled tires that use carbon black. Carbon black absorbs solar energy quickly, which drives surface temperatures up. TPE infill is typically produced in light colors that reflect more sunlight, reducing heat gain at the surface.

Material properties

  • Absorptivity and emissivity: Light colored TPE absorbs less radiant energy and can re-radiate heat more efficiently than black SBR.
  • Specific heat and thermal conductivity: Differences in how each material stores and moves heat affect how hot the surface feels and how fast it cools when shaded or irrigated.
  • Moisture interaction: TPE and SBR both heat up when dry. Evaporative cooling from light misting drops temperatures on either system, but the starting point with TPE is often lower.

Particle size, shape, and packing

Well-graded, rounded TPE infill can promote better airflow within the pile, which helps dissipate heat. Dense packing with fine black SBR can trap heat near the yarn tips where feet and hands touch.

What real-world numbers look like

Exact temperatures depend on sun angle, cloud cover, wind, humidity, fiber color, infill depth, and sub-base. The following ranges reflect industry field readings in full sun on warm summer days:

  • Black SBR crumb rubber: Commonly reaches 140 to 160°F at the top of the turf pile in midday sun.
  • Light colored TPE: Often 10 to 25°F cooler than black SBR under the same conditions, frequently measuring in the 120 to 145°F range.

Shade, wind, and moisture can reduce both systems significantly. Always measure your site, since microclimates and product selections change results.

Variables that move the needle

  • Fiber color: Lighter yarns run cooler than dark or black-thatch systems.
  • Infill recipe: TPE color, grain size, and any sand blending all influence temperature.
  • Infill depth and distribution: Properly groomed, even infill helps airflow and reduces hot spots.
  • Site conditions: Shade sails, tree cover, wind exposure, and nearby reflective surfaces all matter.

How to keep any artificial grass system cooler

  • Choose light colored TPE infill for lower heat gain and a consistent, resilient feel.
  • Blend with a sand top layer to lower surface temps and stabilize the system where performance specs allow.
  • Select lighter fiber tones to reduce radiant heat absorption at the yarn tips.
  • Dial in grooming to maintain even infill depth and open the pile for airflow.
  • Mist or irrigate before peak use to leverage evaporative cooling.
  • Add shade and plan scheduling for practices and play outside of midday peaks.

Performance, durability, and maintenance notes

  • Feel and play: Quality TPE provides reliable energy return, foot release, and stable footing for training and play.
  • Cleanliness: TPE does not leave black marks and keeps uniforms and hands cleaner than SBR.
  • Resilience over time: Both systems require routine grooming to maintain infill levels, decompact, and keep fibers upright.
  • Sustainability: TPE is a thermoplastic elastomer that can be reclaimed in compatible recycling streams. Verify local capabilities.
  • Cost reality: TPE often carries a higher upfront price than SBR. Many owners accept the premium for cooler surfaces, cleanliness, and user comfort.

Selection checklist

  • Target sport or use case and required performance specs.
  • Climate profile, sun exposure, and heat expectations for peak months.
  • Acceptable surface temperature range for players and users.
  • Color choices for both yarn and infill.
  • Budget for upfront infill selection and any cooling add-ons like shade or misting.

When crumb rubber may still fit

If you play primarily in cooler seasons, at night, or indoors with controlled climate, SBR can remain a proven option with strong availability and predictable performance. If midday summer comfort is a top priority, TPE usually wins on temperature and cleanliness.

Talk with FusionTurf

Need a clear plan for your climate, sport, and budget? FusionTurf will spec a complete system with the right infill, fiber, and maintenance approach so your surface stays cooler and plays right.