Large Access Chambers
Our range of 450mm inspection chamber products provides secure access for cleaning and maintenance in underground drainage systems. These bases and risers are designed for quick installation and long-term reliability.
What You’ll Find Here
- 450mm bases in standard 4″ or 6″ options
- Bases with four 4″ inlets for flexible layouts
- Risers for level adjustment and neat finishes
- Covers and frames for gardens, paths, and driveways
Why Choose 450mm Chambers?
These chambers meet UK quality standards and provide watertight connections for underground drainage. Therefore, you can maintain access points without hassle. In addition, clear sizing and inlet details make planning straightforward.
From first fix to final cover, our 450mm inspection chamber range keeps installs simple, compliant, and ready for future checks.