What application is this cover designed for?

Pedestrian and domestic driveway use, providing access to 450mm inspection chambers.

Which components does it work with?

It pairs with the 450mm chamber base (UGMBL) and riser (UGRL).

What weight can the FloPlast 450mm round cover support?

This cover is designed for pedestrian and domestic driveway traffic only. It's not rated for vehicular loads and should not be installed in areas where cars or heavier vehicles will pass over it.

Is the MCCRPL compatible with other manufacturer's 450mm chambers?

The cover is specifically designed to work with FloPlast's 450mm Chamber Base (UGMBL) and Riser (UGRL). Compatibility with other manufacturers' systems is not guaranteed due to different rim profiles and dimensions.

How do I achieve a proper watertight seal with this cover?

The cover locks securely into the frame when properly seated, creating the watertight seal. Ensure the frame is level and free from debris before installation.

What's the easiest way to lift this cover for maintenance access?

The polypropylene construction keeps the cover lightweight for easy manual lifting. A standard drain key or similar lifting tool can be used if the cover becomes tight fitting over time.

Can this cover be cut or modified on site if needed?

The polypropylene material can be cut with standard tools if minor modifications are required. However, any alterations may affect the structural integrity and watertight seal.

What's the typical lifespan of this polypropylene cover in UK conditions?

Polypropylene offers excellent corrosion resistance and UV stability, typically lasting 20+ years in normal domestic applications. The material won't rust or degrade like metal alternatives in damp conditions.

Does the cover require any bedding compound or sealant during installation?

No additional sealants are required when used with the matching FloPlast frame system. The cover's design provides a mechanical seal when properly fitted to the frame.

top of page

Fair Prices. Real People. Quality Plastics – No Compromises.
Small Item Postage Available – Only £8.99!

Email Us

HELP CENTRE

Your Nationwide uPVC Building Plastics Supplier

01922 254100

Fascias, Guttering, Windows & More

The 450mm Round Plastic Cover & Frame (MCCRPL) is a tough yet lightweight inspection chamber cover, designed for use with the 450mm Chamber Base (UGMBL) and Riser (UGRL).

Manufactured from durable polypropylene, it delivers reliable strength and corrosion resistance, ideal for pedestrian and domestic driveway applications.
The cover locks securely into the frame for a watertight seal while remaining easy to lift for inspection or maintenance.

Compatible with FloPlast and other standard underground drainage systems.