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Corrosion-resistant construction: Full plastic encapsulation protects the internal steel core from direct exposure to moisture and aggressive underground environments.
Strong structural core: Internal steel reinforcement provides strength and rigidity while the outer plastic layer provides environmental protection.
Secure footing: Profiled tread surfaces are designed to provide improved grip during entry and exit.
Suitable for underground infrastructure: Well suited to sewer, stormwater, water, utility and civil access chambers where corrosion resistance is important.
Low maintenance: The encapsulated finish does not require painting or routine recoating, helping reduce ongoing maintenance requirements.
Multiple sizes available: Step dimensions can be selected to suit different chamber designs, precast products and project specifications.
Precast compatible: Suitable for incorporation into precast concrete pits and maintenance chambers during manufacture where specified.
High visibility: Bright encapsulation can make individual steps easier to identify within dark or low-light chambers.
ACA Plastic Encapsulated Step Irons provide a durable and corrosion-resistant access solution for manholes, maintenance chambers, precast pits and other below-ground structures.
Manufactured with a structural steel core fully encapsulated in protective plastic, the step iron combines the strength of steel with an external barrier designed to protect against moisture, corrosion and aggressive underground environments. The profiled tread provides secure footing during entry and exit, while the encapsulated construction makes the step particularly suited to sewer, stormwater, water and civil infrastructure applications.
Available in a range of sizes and configurations, Plastic Encapsulated Step Irons can be incorporated into precast concrete pits or installed in accordance with your requirements.
Our engineering and compliance team specialises in solving complex challenges and designing tailored products that meet your project’s unique requirements.







