This 450mm manhole riser provides a durable and reliable solution for increasing the height of existing inspection chambers. Manufactured to meet UK industry standards, it is designed for use with compatible 450mm chamber bases and covers, allowing for easy adjustment to finished ground level.

Constructed from robust, high-quality materials, this riser offers excellent load-bearing performance and long-term resistance to corrosion and ground movement. Its precision-moulded design ensures a secure, watertight fit between sections, simplifying installation and maintenance.

Key Features:

• Suitable for 450mm inspection chambers

• Lightweight yet strong – weighs approximately 15kg

• Corrosion-resistant and durable construction

• Compatible with standard 450mm bases and lids

• Ideal for use in foul, surface water, and drainage applications

Perfect for civil engineering, construction, and drainage projects requiring a dependable and compliant chamber height adjustment solution.