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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