600 x 600 Manhole Covers

One of our most popular sizes in our range is 600 x 600 manhole covers. With dimensions of 600mm x 600mm (23.6" x 23.6") and varying heights, find the perfect recessed drain cover for your needs below.

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What exactly is a 600 x 600 manhole cover?

This refers to 600 x 600mm (23.6 x 23.6”) size opening manhole covers, also referred to access, chamber or drain covers. These square covers are one of the most common sizes in the UK and are found on domestic and commercial properties in a variety of materials including steel, cast iron and sometimes even plastic.

Please note, manhole cover sizes and their frames are determined by their clear opening size - this essentially refers to the size of the chamber opening (brickwork to brickwork) which the cover is to span over. As a guide, the overall size of the manhole lid is around 100mm bigger than the opening size quoted.

 

Is 600mm x 600mm the correct size for my project?

To check if this is the right size for you, lift your old chamber lid and measure the internal opening; if this opening is 600 x 600mm or close to that (+ or – 25mm) then you have the correct cover. You can always go bigger, so if you have a 525mm opening there is no harm going for a bigger 600mm cover and saving the expense and wait time of a bespoke made to order cover. If your chamber is smaller, you may want to consider going down to a 600x450 or 450x450mm cover.

As well as determining this size, you’ll also need to consider the depth or recess you need (or whether a solid top is preferred) and if your cover is for internal or external use. Then it’s down to aesthetics; how you want the cover to look when installed. One of the best looking solutions is our Alusthetic aluminium cover range and where budget allows the Recessed Stainless Steel covers look superb when installed, too.

Spotlight: Aluminium 600x600 recessed drain covers

For indoor use consider a 600 x 600mm triple sealed aluminium cover with 3 built-in food grade neoprene seals, meaning the covers is very well protected from odours. The triple seal covers are also locked down with screw points in the corners, therefore they are doubly protected and secure. The TSL covers are fully compliant with building regulations for indoor use.

If instead your application is outdoors, we have a double sealed version of this cover which has two neoprene seals and is secured by the weight of the infill.

With both of these covers we offer differing depths depending on your chosen infill; for thin tiles we would use a 40mm overall depth, for thicker tiles or flags we would use the 60mm overall depth, and for blocks we would use the 80mm deep option.

 

Explore more covers in our UK-stocked range

From recessed to solid top, RMC has a vast range of manhole covers in all sizes and depths, with stock on hand ready to dispatch from our UK warehouse.

Some of our popular categories include:


If we can be of any help with your choice of cover, please don't hesitate to contact us.