Ferrograte step irons are manufactured from a polypropylene copolymer which complies with ASTM 4101 with a continuous central galvanised steel support for the full length of the step iron.
The fully encapsulated step irons side arm protection of 60 mm, the steel bar is totally protected. Polypropylene is chemically tested and has excellent resistance to acids, alkalis and chemicals present in sewers, drains and aggressive environments. Polypropylene is also a non-toxic material.
Ferrograte step irons are designed for several application in stormwater, sewerage and other general access applications. The design of Ferrograte step irons enhanced to offer a high-quality product at a competitive price,