Synthetic Grass Cools Down! - Society - Environment

You may have heard that synthetic grass can get hot underfoot but our lawns are now getting cooler with the introduction of Coolgrass to the Green Planet Grass product range. Replacing our Earth turf, this new product is the result of extensive research and development to bring synthetic grass customers the best possible products underfoot.

While we believe many of the stories you hear about the heat held by synthetic grass are exaggerated - on a hot sunny day in Perth you wouldn't be wise to walk barefoot on any exposed surface! - our new Cool Earth product incorporates Coolgrass technology to reduce surface temperatures.

The solution to keeping your lawn cool lies within a yarn that displays different qualities in the sun to other turf yarns while preserving the traditional benefits of synthetic grass such as skin friendliness, resilience and UV stability.

Extensive research and thorough testing means we are focused on yarn improvement to ensure our customers get the best products available. Normal yarns absorb heat which can result in uncomfortable surface temperatures during the hottest days of the year. But Coolgrass reflects sunlight and dispels heat to the atmosphere rather than absorbing it inside the yarn material, so the synthetic turf surface delivers a cooling effect overall.

In brief, the Coolgrass technology results in reduced temperatures through reflecting infrared light. Just under half of the light that reaches Earth from the sun is not visible to the human eye and is called Near Infra Red (NIR) light. Although we cannot see it, NIR light is felt as heat. All of the power in the solar spectrum contributes to grass heating. (This occurs in natural grass in the same way as in synthetic turf.)

Natural grass cools efficiently by evaporation of water, whereas the reduction of water usage is one of the strongest arguments for choosing synthetic turf. Synthetic turf therefore needs to be cooled using a different solution.

Thus the heating effect on the synthetic turf is reduced by reflecting the NIR light. The specially designed yarns in Cool Earth reflect NIR and because this makes up half of the light usually absorbed the cooling effect is quite dramatic. Natural grass and traditional synthetic turf absorb light including the NIR but Cool Earth contains pigments that reflect this part of the spectrum resulting in a lower surface temperature.

Cooling can also be increased further with the use of reduced light absorption infill mediums in certain applications so if you are concerned about heat under your feet give the synthetic grass specialists a call on 08 9240 8448.

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