PC42 is a composite turf reinforcement mat made of 67% polypropylene fiber and 33% coconut fiber designed for critical slope and channel applications requiring permanent erosion control and turf reinforcement. The matting is sewn together on 1.5 inch (38.1 mm) centers. The PC42 meets all requirements established in the FHWA FP-03 as a Type 5 A, B and C turf reinforcement matting for use on slopes with gradients up to 0.5:1 (h:v), channels, and shorelines. The PC42 is available in 62.7 m2 , 125.4 m2, 250.8 m2 and 501.6 m2 rolls.