280mm Dia. Shallow Access Riser (185mm Invert)

This 280mm shallow access riser is used to raise chamber height where additional adjustment is needed to meet paving, patio, or finished ground levels. With an 185mm invert reference, it supports shallow chamber configurations and helps installers fine-tune chamber depth without rebuilding the base.

A practical component for new builds and refurbishments where levels change between drainage first fix and final surfacing.

Manufactured to British Standards

Standard: (Inspection chamber component standard varies by system)
Material: (Product specific)
Application: Chamber height adjustment for underground drainage access

Key Features

• Diameter: 280mm

• Type: Shallow access riser

• Invert Reference: 185mm

• Use: Height adjustment / extension

• Compatibility: 280mm shallow access chamber systems

Performance Benefits

• Helps match chamber top to finished levels

• Reduces on-site cutting and rework

• Maintains access for inspection and maintenance

• Supports shallow installation requirements

Typical Applications

• Patio and driveway inspection chambers

• Height adjustment during surfacing stages

• Domestic and small commercial drainage systems

• Shallow access chamber builds

Why Choose This Product?

A straightforward riser solution that helps achieve correct chamber height and a cleaner finished installation.