The UPVC 450mm Manhole Riser is a precision-engineered component developed for Inspection Chamber & Manhole drainage systems, allowing inspection chambers to be raised to the required finished ground level. It provides a secure extension that maintains the strength and accessibility of underground drainage installations while ensuring reliable long-term performance.

Manufactured from premium-grade UPVC, the riser offers outstanding resistance to corrosion, chemicals, moisture, impact, and underground environmental conditions. Its robust construction ensures excellent structural stability, making it suitable for demanding residential, commercial, and civil engineering drainage applications.

Designed with precision dimensions, the riser fits seamlessly with compatible 450mm inspection chamber bases, covers, and chamber accessories, creating a secure and dependable underground drainage system. Its smooth internal surface promotes unrestricted waste water flow while allowing convenient inspection and maintenance access whenever required.

Ideal for new drainage installations, landscaping projects, and inspection chamber height adjustments, the UPVC 450mm Manhole Riser provides a durable, low-maintenance, and reliable solution for modern underground waste water drainage systems.

Specifications

Key Features

• Manufactured from premium-quality UPVC
• Designed for 450mm inspection chamber systems
• Extends inspection chamber height to finished ground level
• Precision-engineered for a secure fit
• Strong and durable construction
• Resistant to corrosion, chemicals, UV exposure, moisture, and impact
• Suitable for underground drainage installations
• Long service life with minimal maintenance