320mm Inspection Chamber Raising Piece
The 320mm inspection chamber raising piece is designed to extend the height of inspection chambers in underground drainage systems. It allows the chamber to be brought up to ground level, ensuring easy access for inspection, maintenance and cleaning.
Manufactured from strong and durable uPVC, this raising piece offers excellent resistance to moisture, chemicals and ground conditions. Its lightweight construction makes it easy to handle on site while maintaining reliable long term performance.
320mm Raising Piece – Key Features & Benefits
- 320mm diameter for compatibility with standard inspection chambers
- Approx. 140mm height extension for flexible installation depth
- Durable uPVC construction for strength and longevity
- Designed to integrate with chamber bases and covers
- Smooth internal surface to maintain efficient flow
- Suitable for domestic and light commercial drainage systems
Installer Benefits
- Lightweight design for easier transport and positioning
- Push fit connections for quick and secure installation
- Can be stacked to achieve required chamber height
- Compatible with standard 110mm underground drainage systems
- Helps achieve correct finished ground level with minimal effort
Applications
- Domestic drainage systems
- Garden and landscaping projects
- Foul and surface water drainage systems
- Inspection and maintenance access points
Performance & Durability
This raising piece is designed for use in underground environments where strength and durability are essential. The uPVC material provides excellent resistance to corrosion, impact and environmental stress, ensuring reliable performance over time.
When used with compatible chamber bases and covers, it helps maintain a secure and stable drainage system while allowing flexibility in installation depth.
Installation
The raising piece fits directly onto a compatible 320mm inspection chamber base using a push fit connection. Additional raising pieces can be added to achieve the required height. The chamber cover and frame can then be fitted at the finished ground level.
Product Specifications
- Material: uPVC
- Diameter: 320mm
- Height: Approx. 140mm
- Application: Underground drainage
- Colour: Black





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