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Clark Drain CD 450SR/46SL 450mm X 450mm X 46mm Deep Recessed Square to Round Manhole Cover (Overall Size Including Frame is 580mm x 580mm x 54mm) DELIVERIES TO MAINLAND UK ONLY

£9.9£99Clearance
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About this deal

Established in 1963, Clark Drain have become technical experts and leaders in the design, manufacture, and distribution of access solutions and drainage products for the construction industry. They work with merchants, civil engineers, contractors, and architects to provide products with a focus on quality, cost effectiveness, and commitment to service excellence. Also referred to as access or chamber covers, our 600x450mm (23.6" x 17.7”) opening manhole covers are the most popular manhole size in the UK market. These rectangular covers are the most common size and are found on properties in a variety of materials including steel, cast iron and sometimes a plastic manhole cover. If your cover size is closer to 300mm or 600mm you may need to consider a smaller or larger cover. We're here to help if you face any difficulty or have additional questions. Our exclusive GrassTop range are manhole covers designed to be infilled with grass (or artificial grass). These covers replace an ugly solid top drain lid in the garden and make the area look seamless, while still providing you with access to the drain below via the integrated lifting points in the cover. Their extensive range of steel manhole covers, galvanised to BS 1461, are designed and manufactured in the UK, under ISO 9001:2015 quality management systems, for pedestrian use up to heavy duty loadings of 44 tonnes GPW.

Cast iron manhole covers are classified for higher weight loads because of its tougher substance and higher loading class than galvanised steel counterparts. An F900 class cast iron manhole cover weighs 145 kg and is approved to support up to 90 tonnes of weight. Galvanized steel manhole covers can be used in regions with little or no traffic because it is not suited for use on roads and highways. It’s never advisable to cover a manhole permanently since you never know when immediate access is needed for a range of reasons. To minimise the impact however you can disguise the existence of a manhole cover by using a recessed manhole cover. It will blend the cover into the garden, pavement or the driveway by using the same materials as the original flooring. There are no implications to access or maintenance and there’s no extra cost once the recessed manhole cover has been installed. Please Note: All images shown are used for illustration purposes only and may differ from the actual product supplied.

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Plastic is an excellent choice if you’re looking for garden drain covers. You can choose the best look for your house thanks to their variety of sizes and shapes and ease of installation. One of our most popular options for external use is our Alusthetic double sealed aluminium manhole cover. It has a decorative finish to the edging, is sealed to prevent odours, and can withstand car traffic going over it. Manhole covers need to sit comfortably over the hole they’re covering so you need to measure the inside dimensions of the hole, not the manhole cover itself. This measurement must be taken in millimetres for accuracy and because that’s the standard unit for manhole cover manufacturers. Once you have this measurement you can shop confidently for recessed manhole covers. The manhole cover size you require is determined by the clear opening size, which is referring to the size of the chamber opening. Measurements will need to be taken from the inside walls of the chamber opening, from one side to the other. When you lift your existing cover, if you find your opening / chamber is 380-480mm you are likely to need a 450mm cover. Manhole covers are made of ductile iron, galvanised steel or polypropylene. They come in a range of sizes and have different weight-bearing classes. To choose the best manhole cover for a project, you might start with matching the size to that of the manhole it will cover. Manhole cover weight load classes

The weight loading capabilities are given under the assumption that the recess will be correctly filled with screed or concrete to the right level.

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