ABOUT THIS PRODUCT
The Clark Drain CD 452 is a solid top polypropylene manhole cover and frame used on driveways. It consists of completely recycled material. It is perfect for gravel, grass and tarmac.
The CD 452 manhole cover fits every major manufacturer’s PPIC shallow inspection chamber. Additionally, it has a slip-resistant surface tread pattern.
It is also compatible with the CD 499 reducer (available separately) to restrict access to deep chambers (as per building regulations).
The CD 452 has external dimensions of 550mm width x 50mm diameter and a 450mm diameter clear opening.
Key Features:
- Solid top cover & frame
- Fits all major manufacturer PPIC shallow inspection chambers
- Slip-resistant surface tread pattern
- Ideal for grass, tarmac and gravel
- Locking screws
- Dual locking: the lid locks to the frame, and the frame locks to the chamber
- Compatible with the CD 499 reducer (available separately) to restrict access to deep chambers (as per building regulations)
- Entirely made from recyclable materials
- 3.5-tonne loading classification
- Made in Britain

