The materials used can be made to appear differently by use of different matrix material. Aggregates can also be varied from 6mm – 14mm graded materials. Concrete will always exceed the minimum requirement of 30N/mm2.
Fiberglass is material made from extremely fine fibers of glass. It is used as a reinforcing agent for many polymer products; the resulting composite material, properly known as fiber-reinforced polymer (FRP) or glass-reinforced plastic (GRP), is called "fiberglass".