The Clark Drain manhole cover and frame is the ideal solution for ensuring both accessibility and protection for your manhole installations. Crafted for durability, this cover is perfectly suited for both landscaping and driveway settings, thanks to its robust construction and corrosion-resistant polypropylene material.

Designed with a recessed cover that complements block paving, it provides a seamless and aesthetically pleasing finish to your outdoor space. Engineered to withstand heavy use, this cover features a load rating of up to 3.5 tonnes, making it a reliable choice for demanding applications. Its innovative square to round frame includes an integrated step design for ease of use, while the clear opening of 300mm allows for straightforward maintenance access. Complete with integral lifting keys, the Clark Drain manhole cover combines practicality and resilience, ensuring it meets the needs of modern infrastructure projects.

  • External dimensions: 438mm (L) x 438mm (W) x 93mm (D)
  • Internal dimensions: 80mm (D)
  • Corrosion-resistant polypropylene material
  • 300mm diameter clear opening
  • Suitable for landscaping and driveways
  • 35 kN load rating classification
  • Square to round frame with integrated step
  • Includes integral lifting keys

£4.99 Standard Delivery, or FREE on most orders over £99* (some exclusions apply)

£9.99 Next day delivery is available for orders places before 12 noon. Any orders placed for next day delivery after this time, will take 2 working days to be delivered.

Working/delivery days are Monday to Friday, deliveries will not normally be made Saturday or Sunday.

We offer a 30-day returns policy on on the majority of our items*, as long as the item is unused, undamaged and unopened**. We only ask that the postage is covered by yourself. 


* Please see our delivery page for further details on specific exceptions.

** Some products that are made to order or personalised cannot be returned.

***Exclusions apply for items shipped directly from our suppliers, and some big & bulky items may incur an additional charge. Please see our delivery page for full details. 

Showing 3 of our total 20 reviews, with an average rating of 5 stars. Read all 20 reviews for CD300SR 300mmx80mm Recessed Square-To-Round Block Paving Manhole Cover.
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Review Summary - 5 out of 5 based on 20 ratings.
June 25, 2024 | Dovydas Zubernis
CD300SR 300mmx80mm Recessed Square-To-Round Block Paving Manhole Cover

Great product

May 24, 2024 | Thomas Dawe
CD300SR 300mmx80mm Recessed Square-To-Round Block Paving Manhole Cover

Product is of good quality but dimensions listed are misleading. None of the dimensions on this item align to 300x300mm. I called the supplier to discuss and they said the 300 x 300mm dimensions refer to the outlet which is circular, and also not 300mm in diameter

December 13, 2023 | Nicolas Cuddy
CD300SR 300mmx300mmx80mm Recessed Square-To-Round Block Paving Manhole Cover

Innovative product allows integrated patio finish.

Clark Drain CD300SR 300mmx80mm Recessed Square-To-Round Block Paving Manhole Cover

  • £35.99
  • (Delivery from £4.99 )
1+ 12+
£35.99 £33.87
Item in Stock   |   Usually dispatched within 24 hours
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Free UK Delivery on most orders over £99
Delivery Rates & Information

Delivery Options

Standard Delivery: £4.99 - Free for all orders over £99.*
Next Day Delivery: £9.99 - Available for orders placed before 12:00 PM (Noon).

Important Delivery Notes

Next Day Delivery Cut-off: Orders placed after 12:00 PM (Noon) using Next Day Delivery will be delivered within two working days.
Working Days: Our standard delivery and shipping days are Monday through Friday. We do not normally deliver on Saturdays or Sundays.

Easy 30-Day Returns

We want you to be happy with your purchase! We offer a 30-day returns policy on all items, provided the following conditions are met:
  • The item is unused and undamaged.
  • The item is returned in its original packaging.
  • The customer is responsible for the return postage costs.

Combining Your Order

We always strive to combine your order into a single delivery. However, your order may arrive in multiple shipments if it contains:
  • Items from different warehouses (Standard items).
  • 'Direct' items (These are shipped separately and directly from the supplier) and will arrive separately from other items in your order.

*Exclusions & Additional Charges

The following items may be excluded from standard shipping rates or may incur extra delivery charges:
  • Items Shipped Directly from Suppliers ('Direct' items).
  • Certain Large or Bulky Items.
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