Wednesday, April 29, 2009

Types of Synthetic Athletics Tracks

Gone are those days when athletic events were held on grassy fields or even on bare earth. Today, modern synthetic athletic surfaces are increasingly used by a majority of sports associations at all levels. And why not?

These athletics tracks not only look good, but also enhance the performance of the athletes. A synthetic athletics track could be installed as per the guidelines laid down by the I.A.A.F (International Association of Athletics Federation). This would ensure safety for athletes as well as provide a durable surface which can be used all year round.

There are three different types of synthetic athletics track, namely Solid Polyurethane (PU) Surface, Porous Surface, and Sandwich Surface. All these three surfaces are built on a similar foundation and offer “slip resistance' to the athletes. However, they differ in their performance with respect to durability and costs involved in their installation.

A Solid PU track surface is a competition level track that offers a fast running surface. It is made up of two layers of cast polyurethane mixed with rubber granules. In addition, there is a top layer that is made up of a coat of polyurethane mixed with red EPDM rubber granules. It is popular for its durability and impervious nature.

The second type, known as the porous system, consists of a rubber base mat made of black granules and binder followed by a top coat of texture spray. The porous nature of this surface allows water to soak through the track. As this surface is soft, there are less chances of injury.

The sandwich surface is a mixture of the other two types. It consists of a soft porous base with a hard top layer. Such a surface is perfect for training tracks, as they are cheaper when compared to the porous and solid PU surfaces.

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