450mm Inspection Chamber Riser 235mm Depth

450mm inspection chamber riser with 235mm depth designed to extend the height of 450mm inspection chambers. Used in underground drainage systems, this riser allows chamber covers to be positioned precisely at ground level while maintaining safe access for inspection, maintenance, and cleaning. Manufactured from durable, high-strength polypropylene, the riser provides a watertight and structurally secure extension to the chamber assembly. It integrates directly with 450mm chamber bases and additional risers, forming a continuous, sealed unit when correctly installed. The 235mm depth offers flexible adjustment of chamber height to suit different site levels. Multiple risers can be stacked vertically where greater depth is required, ensuring adaptability across a range of installation conditions. Suitable for both foul and surface water drainage systems, this riser provides long-term reliability in domestic and light commercial projects. Its manageable size and weight allow straightforward handling and precise alignment during installation, ensuring compliance with modern drainage standards.