FRP anti-skid stair treads. The treads are usually 38 mm thick gratings with high visibility yellow nose strips, providing higher safety standards in low illumination areas. Then, the FRP anti-skid stair treads can be fixed on the staircases and walkways of the stainless steel platform and widely used in the staircases and walkways of the cooling tower. Hengrui GRP can be processed according to your installation requirements to reach a specific size.